LABORATORY SPECIALISTS OF AMERICA INC
SB-2/A, 1998-09-01
TESTING LABORATORIES
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<PAGE>
   
As filed with the Securities and Exchange Commission on September 1, 1998
                                                     Registration No. 333-58473
    
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
                          SECURITIES AND EXCHANGE COMMISSION
                               Washington, D. C. 20549

                             ---------------------------
   
                                   AMENDMENT NO. 1
                                          TO
                                      FORM SB-2
                                REGISTRATION STATEMENT
                                        UNDER
                              THE SECURITIES ACT OF 1933
    
                             ---------------------------

                       LABORATORY SPECIALISTS OF AMERICA, INC.
                    (Name of small business issuer in its charter)

         OKLAHOMA                     8734                     73-1451065
     (State or other      (Primary Standard Industrial      (I.R.S. Employer
     jurisdiction of       Classification Code Number)      Identification No.)
     incorporation or
      organization)

     101 PARK AVENUE, SUITE 810          JOHN SIMONELLI, CHIEF EXECUTIVE OFFICER
    OKLAHOMA CITY, OKLAHOMA 73102        LABORATORY SPECIALISTS OF AMERICA, INC.
           (405) 232-9800                      101 PARK AVENUE, SUITE 810
                                              OKLAHOMA CITY, OKLAHOMA 73102
                                                     (405) 232-9800
   (Address and telephone number,         (Name, address and telephone number,
including area code, of registrant's              of agent for service)
    principal executive offices)

                             ---------------------------

                                     Copies To:
                                MICHAEL E. DUNN, ESQ.
                               DUNN SWAN & CUNNINGHAM
                                 2800 OKLAHOMA TOWER
                                   210 PARK AVENUE
                          OKLAHOMA CITY, OKLAHOMA 73102-5604
                               Telephone: 405/235-8318
                               Facsimile: 405/235-9605

                             ---------------------------

          APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
     As soon as practicable after this Registration Statement becomes effective.

                             ---------------------------
   
    
      THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE 
OR DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT 
SHALL FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS 
REGISTRATION STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH 
SECTION 8(a) OF THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION 
STATEMENT SHALL BECOME EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING 
PURSUANT TO SAID SECTION 8(a), MAY DETERMINE.

- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------


<PAGE>

INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT. A 
REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE 
SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY NOT BE SOLD NOR MAY 
OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION STATEMENT 
BECOMES EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR 
THE SOLICITATION OF ANY OFFER TO BUY NOR SHALL THERE BE ANY SALES OF THESE 
SECURITIES IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE 
UNLAWFUL PRIOR TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF 
ANY SUCH STATE.
   
SUBJECT TO COMPLETION, DATED SEPTEMBER 1, 1998                   PROSPECTUS
    

               LABORATORY SPECIALISTS OF AMERICA, INC.

                  716,650 SHARES OF COMMON STOCK

   
     Of the 716,650 shares of Common Stock being offered (the "Offering"), 
55,522 shares are being offered by Laboratory Specialists of America, Inc. 
(the "Company" or "LABZ") to the holders of certain warrants (the "Jesup & 
Lamont Group Warrants") for sale and issuance upon exercise of the Jesup & 
Lamont Group Warrants. Furthermore, 716,650 shares are being offered for 
resale by the holders thereof after giving effect to exercise of the Jesup & 
Lamont Group Warrants. The Company will not receive any part of the 
proceeds from the resale of the Common Stock by the holders thereof (the 
"Selling Shareholders"). See "Description of Securities--Jesup & Lamont 
Warrants" and "Selling Shareholders."
    
   
     The Common Stock is quoted on Nasdaq SmallCap Market under the symbols 
LABZ. On August 31, 1998, the closing sale price of the Common Stock was $3.50.
    
                              ------------------------

     SEE "RISK FACTORS," BEGINNING AT PAGE 6, FOR A DISCUSSION OF CERTAIN 
MATERIAL FACTORS THAT SHOULD BE CONSIDERED IN CONNECTION WITH AN INVESTMENT 
IN THE UNITS AND COMMON STOCK OFFERED HEREBY.

                              ------------------------

THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
      EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
    SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
       PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY
          REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
   
<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------------------
                                                                             UNDERWRITING         PROCEEDS         PROCEEDS TO
                                                             PRICE TO       DISCOUNTS AND          TO THE          THE SELLING
                                                              PUBLIC         COMMISSIONS          COMPANY          SHAREHOLDERS
- ----------------------------------------------------------------------------------------------------------------------------------
<S>                                                          <C>            <C>                   <C>              <C>
Per share underlying Jesup & Lamont
    Group Warrants  . . . . . . . . . . . . . . . . . . .      $5.40              --              $5.40(1)           $   --
- ----------------------------------------------------------------------------------------------------------------------------------
Per share . . . . . . . . . . . . . . . . . . . . . . . .      $3.50              --                 --              $  3.50
- ----------------------------------------------------------------------------------------------------------------------------------

- ----------------------------------------------------------------------------------------------------------------------------------
Total . . . . . . . . . . . . . . . . . . . . . . . . . .                         --              $299,819           $2,508,275(2)
- ----------------------------------------------------------------------------------------------------------------------------------
</TABLE>
    
(1)  Proceeds to the Company assumes exercise of the Jesup & Lamont Group
     Warrants in full at the Price to Public, before deducting offering
     expenses payable by the Company estimated to be $28,500. See "Use of
     Proceeds."
(2)  The Company will not receive any of the Proceeds to the Selling
     Shareholders.

     It is expected that delivery of the certificates representing the Common 
Stock will be made as promptly as practicable following exercise of the Jesup 
and Lamont Warrants and payment of the exercise price. See "Description of 
Securities--Jesup & Lamont Group Warrants."


                 THE DATE OF THIS PROSPECTUS IS              , 1998


<PAGE>

       CAUTIONARY STATEMENT RELATING TO FORWARD LOOKING INFORMATION

     Certain statements under the captions "Prospectus Summary," "Use of 
Proceeds," "Management's Discussion and Analysis of Financial Condition and 
Results of Operations," "Business" and elsewhere in this Prospectus and the 
documents incorporated herein by reference constitute "forward-looking 
statements" within the meaning of Section 27A of the Securities Act of 1933, 
as amended, and Section 21E of the Securities Exchange Act of 1934, as 
amended. Certain, but not necessarily all, of such forward-looking statements 
can be identified by the use of forward-looking terminology such as 
"believes," "expects," "may," "will," "should" or "anticipates" or the 
negative thereof or other variations thereon or comparable terminology, or by 
discussions of strategies that involve risks and uncertainties. Such 
forward-looking statements involve known and unknown risks, uncertainties and 
other factors which may cause the actual results, levels of activity, 
performance or achievements of the Company, or industry results, to be 
materially different from any future results, levels of activity, performance 
or achievements expressed or implied by such forward-looking statements. See 
"Risk Factors." As a result of the foregoing and other factors, no assurance 
can be given as to future results, levels of activity and achievements and 
neither the Company nor any other person assumes responsibility for the 
accuracy and completeness of these statements.


                           ADDITIONAL INFORMATION

     The Company has filed a Registration Statement on Form SB-2 (herein, 
together with all amendments thereto, the "Registration Statement"), of which 
this Prospectus constitutes a part, under the Securities Act of 1933, as 
amended (the "1933 Act"), with the Securities and Exchange Commission (the 
"Commission"), Washington, D.C., with respect to the securities offered by 
this Prospectus. As permitted by the rules and regulations of the Commission, 
this Prospectus, filed as part of the Registration Statement, does not 
contain all of the information set forth in the Registration Statement and in 
the exhibits thereto. The statements contained in this Prospectus as to the 
contents of any contract or other document referenced herein are not 
necessarily complete, and in each instance, if the contract or document was 
filed as an exhibit, reference is hereby made to the copy of the contract or 
other document filed as an exhibit to the Registration Statement and each 
such statement is qualified in all respects by such reference. The 
Registration Statement (including the exhibits thereto) may be inspected at 
the office of the Commission, Judiciary Plaza, 450 Fifth Street, N.W., 
Washington, D.C. 20549-1004, and at the regional offices of the Commission at 
7 World Trade Center, 13th Floor, New York, New York 10048 and at 500 West 
Madison Street, Suite 1400, Chicago, Illinois 60661. Copies of the 
Registration Statement and the exhibits and schedules thereto may be obtained 
from the Commission at such offices, upon payment of prescribed rates. In 
addition, the Registration Statements and certain other filings, including 
annual and quarterly reports, made with the Commission through its Electronic 
Data Gathering, Analysis and Retrieval ("EDGAR") system are publicly 
available through the Commission's site on the World Wide Web on the 
Internet, located at http://www.sec.gov. The Registration Statement, 
including all exhibits thereto and amendments thereof, has been filed with 
the Commission through EDGAR. The Company will provide without charge to each 
person who receives this Prospectus, upon written or oral request, a copy of 
any information incorporated by reference in this Prospectus (excluding 
exhibits to information incorporated by reference unless such exhibits are 
themselves specifically incorporated by reference). Such requests should be 
directed to Laboratory Specialists of America, Inc. at 101 Park Avenue, Suite 
810, Oklahoma City, Oklahoma 73102, telephone: (405) 232-9800.

     The Company is subject to the informational requirements of the 
Securities Exchange Act of 1934, as amended (the "1934 Act") as a "small 
business issuer" as defined under Regulation S-B promulgated under the 1933 
Act. In accordance with the 1934 Act, the Company files reports and other 
information with the Commission (File No. 33-25701), and such reports and 
other information can be inspected and copied at, and copies of such 
materials can be obtained at prescribed rates from, the Public Reference 
Section of the Commission in Washington, D.C.

     The Company distributes to its shareholders annual reports containing 
financial statements audited by its independent public accountants and, upon 
request, quarterly reports for the first three quarters of each fiscal year 
containing unaudited consolidated financial information. Such requests should 
be directed to Laboratory Specialists of America, Inc. at 101 Park Avenue, 
Suite 810, Oklahoma City, Oklahoma 73102, telephone: (405) 232-9800.


                                         -2-
<PAGE>

                               PROSPECTUS SUMMARY
   
     THE FOLLOWING SUMMARY IS QUALIFIED IN ITS ENTIRETY BY THE MORE DETAILED 
INFORMATION AND THE FINANCIAL STATEMENTS AND NOTES THERETO APPEARING 
ELSEWHERE IN THIS PROSPECTUS.  UNLESS THE CONTEXT OTHERWISE REQUIRES, ALL 
REFERENCES IN THIS PROSPECTUS TO THE COMPANY ARE TO LABORATORY SPECIALISTS OF 
AMERICA, INC., AN OKLAHOMA CORPORATION ("LABZ"), AND ITS WHOLLY-OWNED 
SUBSIDIARIES, LABORATORY SPECIALISTS, INC., A LOUISIANA CORPORATION ("LSI") 
AND NATIONAL PSYCHOPHARMACOLOGY LABORATORY, INC., A TENNESSEE CORPORATION 
("NPLI").  EXCEPT AS OTHERWISE INDICATED, THE INFORMATION CONTAINED IN THIS 
PROSPECTUS DOES NOT GIVE EFFECT TO (i) EXERCISE OF THE JESUP & LAMONT GROUP 
WARRANTS (ii) THE PURCHASE OF CERTAIN INTANGIBLE ASSETS OF TOXWORX 
LABORATORIES, INC. ON JULY 1, 1998 AND (iii) THE EXERCISE OF WARRANTS FOR 
THE PURCHASE OF 98,572 SHARES OF COMMON STOCK AFTER JUNE 30, 1998 FOR NET 
PROCEEDS TO THE COMPANY OF $216,858. SEE "THE COMPANY--BACKGROUND--TLI ASSET 
PURCHASE."  PROSPECTIVE INVESTORS SHOULD CAREFULLY CONSIDER THE INFORMATION 
SET FORTH IN "RISK FACTORS."  ALL REFERENCES IN THIS PROSPECTUS TO FISCAL 
YEARS ARE TO THE COMPANY'S FISCAL YEAR ENDED DECEMBER 31 OF EACH YEAR.
    
THE COMPANY

     The Company through LSI, its wholly-owned subsidiary, owns and operates 
an independent drug testing laboratory providing drug testing services to 
corporate and institutional customers seeking to detect, both on a pre- and 
post-employment basis, and deter the use of illegal drugs. LSI's laboratory 
is certified by the Substance Abuse and Mental Health Services Administration 
("SAMHSA"), a federal agency and regulatory successor to the National 
Institute on Drug Abuse ("NIDA"), to conduct drug testing using procedures 
required for legal defensibility of test results. See "Risk Factors--Effect 
of Loss or Suspension of Laboratory Certification" and 
"Business--Certification and Government Regulation." The drug testing 
procedures provide accurate and reliable testing and a secure chain-of- 
custody for each specimen from its collection to the reporting of the test 
results. The test results are reported to the customer for its use in 
screening of prospective employees and, to an increasing extent, testing of 
employees in order to maintain safety standards especially with respect to 
safety-sensitive jobs such as trucking, aviation, public transportation, 
railroads and pipelines. LSI tests for drugs of abuse, including cocaine, 
methamphetamine, heroin, PCP, marijuana and alcohol, primarily by urinalysis. 
In conjunction with the drug testing services, LSI offers a range of services 
which are customized to assist customers in implementing cost-effective drug 
testing programs. See "Business."

     The market for drug testing services has grown rapidly in recent years 
as a result of heightened public awareness of the national drug abuse 
problem. Concerns about drug abuse have generated a broad base of government 
and private sector initiatives, including federal regulations mandating drug 
testing under certain circumstances and a significant increase in the number 
of companies that have instituted drug testing programs. Certain regulations 
of the Department of Transportation, which became effective in 1995, 
increased the number of workers required to be tested for drug abuse in 
safety-sensitive jobs, including trucking, public transportation, aviation, 
railroads and pipelines. Under these regulations, it is estimated that 
approximately 7.5 million workers are required to be tested each year. The 
actual number of workers to be tested in 1997, however, is estimated to have 
been approximately 20 million, representing a market size for drug testing of 
approximately $625 million.

     The Company has grown and intends to continue to generate growth 
principally through the acquisition of additional established drug testing 
companies and the assets of companies engaged in the drug testing business. 
The Company expects to utilize, in part, the proceeds of the Offering to 
further implement this acquisition strategy. See "The Company--Background" 
and "Business--Growth Strategy."

     The Company's principal executive offices are located at 101 Park 
Avenue, Suite 810, Oklahoma City, Oklahoma 73102, and its telephone number is 
(405) 232-9800.  The executive offices and laboratory of LSI are located at 
1111 Newton Street, Gretna, Louisiana 70053, which is near New Orleans, and 
its telephone numbers are (504) 361-8989 and (800) 433-3823.

                                         -3-
<PAGE>

   
<TABLE>
<CAPTION>

THE OFFERING
<S>                                                        <C>
Common Stock offered:
  By the Company.....................................      55,522 shares offered to the holders and in connection with the
                                                           exercise of the Jesup & Lamont Group Warrants (and the resale by
                                                           such holders as some of the Selling Shareholders of such shares of
                                                           Common Stock). Each of the Jesup & Lamont Group Warrants
                                                           entitles the holder to purchase one share of Common Stock at $5.40
                                                           at any time each on or before June 3, 2003. See "Description of
                                                           Securities--Jesup & Lamont Group Warrants."

  By the Selling Shareholders.........................     716,650 shares.

Common Stock outstanding..............................     5,701,018 shares of Common Stock as of the date of this Prospectus;
                                                           5,756,540 after completion of the Offering (1), assuming
                                                           exercise in full of the Jesup & Lamont Group Warrants.

Net proceeds to the Company
   indeterminable.....................................     $271,319 (after deduction of estimated expenses of the Offering of
                                                           $28,500) estimated net proceeds in the event the Jesup & Lamont
                                                           Group Warrants are exercised in full.  There is no assurance that
                                                           any portion of the Jesup & Lamont Group Warrants will be
                                                           exercised;  therefore, the net proceeds to the Company are not
                                                           determinable as of the date of this Prospectus.  The Company will
                                                           not receive any part of the proceeds from resale of shares by the
                                                           Selling Shareholders.

Use of proceeds.......................................     The reduction of indebtedness, possibly acquisition of  established
                                                           drug testing companies, and working capital.  See "Use of
                                                           Proceeds."

Consequences to Non-Exercising
  Warrant Holders.....................................     In the event the holders fail to exercise any of the Jesup & Lamont
                                                           Group Warrants on or before June 3, 2003, such warrants will
                                                           expire without any further obligation on the part of LABZ.

Delivery of Securities............................         The Company will deliver the certificates for the shares of
                                                           Common Stock issuable upon proper exercise of all or any portion
                                                           of the Jesup & Lamont Group Warrants  as promptly as practicable
                                                           after exercise.

Additional Information............................         The Company may be contacted at the address and telephone
                                                           number set forth on the back cover of this Prospectus.  See
                                                           "Additional Information."

Nasdaq SmallCap Market System symbol:                      Common Stock................................................LABZ
</TABLE>
    
- ------------------------
   
(1)  Excludes (i) outstanding stock options and warrants on the date of 
     this Prospectus to purchase 178,486 shares of Common Stock at a 
     weighted average exercise price of $2.94 per share and (ii) the 
     outstanding stock options granted under the Laboratory Specialists of 
     America, Inc. 1994 Stock Option Plan (the "1994 Option Plan") and the 
     Laboratory Specialists of America, Inc. 1997 Non-Qualified Stock Option
     Plan (the "1997 Option Plan") exercisable for the purchase of 615,000
     shares of Common Stock.  See "Management--1994 Stock Option Plan" and 
     "--1997 Non-Qualified Stock Option Plan," and "Description of Securities
     --Outstanding Stock Options and Other Warrants."
    

                                         -4-
<PAGE>

SUMMARY FINANCIAL AND OPERATING INFORMATION
   
     The following table sets forth summary financial and operating 
information of the Company for the fiscal years ended December 31, 1997 and 
1996, the six months ended June 30, 1998 and 1997. See "Selected Financial 
Information" and "Management's Discussion and Analysis of Financial Condition 
and Results of Operations." The financial information presented for the six 
months ended June 30, 1998 and 1997, are derived from the unaudited 
financial statements of the Company appearing elsewhere in this Prospectus. 
In the opinion of management, the financial information presented for the 
six months ended June 30, 1998 and 1997, reflect all adjustments 
(consisting only of normal recurring adjustments) necessary for a fair 
presentation of such information. The following information should be read in 
conjunction with the consolidated financial statements and the related notes 
thereto of the Company, and other information relating to the Company 
presented elsewhere in this Prospectus. The results of operations during 
fiscal years and periods presented are not necessarily indicative of the 
Company's future operations.
    
   
<TABLE>
<CAPTION>
                                                                         FOR THE YEAR ENDED            FOR THE SIX MONTHS ENDED
                                                                            DECEMBER 31,                       JUNE 30,
                                                                   -----------------------------     -----------------------------
                                                                       1997              1996           1998               1997
                                                                   -----------        ----------     ----------         ----------
<S>                                                                <C>                <C>            <C>                <C>
STATEMENT OF INCOME DATA:
Revenues..................................................         $12,836,953        $8,726,799     $7,659,764         $6,010,982
Cost of laboratory services...............................           5,828,665         3,816,114      3,462,846          2,659,857
                                                                   -----------        ----------     ----------         ----------
Gross profit..............................................           7,008,288         4,910,685      4,196,918          3,351,125
Operating expenses........................................           4,574,669         3,673,201      2,603,892          2,208,347
Other income (expense)....................................            (151,252)          (21,808)        31,872            (70,919)
                                                                   -----------        ----------     ----------         ----------
Income from continuing operations
    before income taxes...................................           2,282,367         1,215,676      1,624,898          1,071,859
Income tax expense........................................             953,264           527,171        670,592            449,243
                                                                   -----------        ----------     ----------         ----------
Income from continuing operations.........................           1,329,103           688,500        954,306            622,616
                                                                   -----------        ----------     ----------         ----------
Loss from operations of discontinued
    clinical business, net of tax benefit.................                 --           (500,636)           --                --
Loss on disposal of clinical business,
    net of tax benefit....................................                 --           (773,580)           --                --
                                                                   -----------        ----------     ----------         ----------
Net income (loss).........................................         $ 1,329,103        $ (585,711)    $  954,306         $  622,616
                                                                   -----------        ----------     ----------         ----------
                                                                   -----------        ----------     ----------         ----------
Basic earnings per common share:
    Weighted average number of common
        stock shares outstanding..........................           3,693,146         3,309,594      5,018,523          3,313,405
                                                                   -----------        ----------     ----------         ----------
                                                                   -----------        ----------     ----------         ----------
    Continuing operations.................................         $       .36        $      .21     $      .19         $      .19
    Discontinued operation................................                 --               (.39)            --                 --
                                                                   -----------        ----------     ----------         ----------
        Total.............................................         $       .36        $     (.18)    $      .19         $      .19
                                                                   -----------        ----------     ----------         ----------
                                                                   -----------        ----------     ----------         ----------
Diluted earnings per common share:
    Weighted average number of common
        stock shares and common stock equivalents
        outstanding.......................................           4,325,618         3,954,787      5,381,554          3,834,644
                                                                   -----------        ----------     ----------         ----------
                                                                   -----------        ----------     ----------         ----------
    Continuing operations.................................         $       .31        $      .17     $      .18         $      .16
    Discontinued operation................................                  --              (.32)            --                 --
                                                                   -----------        ----------     ----------         ----------
        Total.............................................         $       .31        $     (.15)    $      .18         $      .16
                                                                   -----------        ----------     ----------         ----------
                                                                   -----------        ----------     ----------         ----------
</TABLE>
    
   
<TABLE>
<CAPTION>
                                                                               DECEMBER 31,                 JUNE 30,
                                                                      ------------------------------
                                                                          1997               1996             1998
                                                                      -----------        -----------      ------------
<S>                                                                   <C>                <C>              <C>
BALANCE SHEET DATA(1)
Current assets.................................................       $ 5,702,984        $ 3,194,480      $  8,028,281
Working capital................................................         3,305,983          1,002,712         4,872,894
Total assets...................................................        15,016,580          9,394,808        17,953,038
Current debt obligations.......................................         1,164,854          1,312,650         1,145,605
Long-term debt, net of current portion.........................         2,353,428          1,245,690         1,730,909
Stockholders' equity...........................................         9,906,303          5,650,250        12,706,894
</TABLE>
    
- ------------------------
(1)  Gives no effect to exercise of the Jesup & Lamont Group Warrants and
     other outstanding stock options and warrants. See "Description of
     Securities--Outstanding Stock Options and Other Warrants."


                                         -5-
<PAGE>
                                  RISK FACTORS

     THE PURCHASE OF THE SHARES OF COMMON STOCK OFFERED HEREBY INVOLVES A 
HIGH DEGREE OF RISK. IN ADDITION TO THE OTHER INFORMATION SET FORTH ELSEWHERE 
IN THIS PROSPECTUS, THE FOLLOWING FACTORS RELATING TO THE COMPANY AND THE 
OFFERING SHOULD BE CONSIDERED WHEN EVALUATING AN INVESTMENT IN THE COMMON 
STOCK OFFERED HEREBY.

     MANAGEMENT'S DISCRETION OVER APPLICATION OF PROCEEDS. The Company will 
allocate the estimated net proceeds of the Offering, which are $271,319, 
assuming exercise of the Jesup & Lamont Group Warrants in full (although 
there is no assurance that any portion of such warrants will be exercised) to 
general corporate purposes, including repayment of indebtedness, acquisitions 
and working capital. It is currently anticipated that estimated net proceeds 
will be utilized to pay the Company's installment bank loan that is secured 
by the Company's recently acquired and renovated building in which LSI's 
laboratory is currently located. See"Use of Proceeds." The application of the 
net proceeds of the Offering will be in the sole discretion of management of 
the Company. Individual shareholders will have no control over decisions 
regarding the application or use of the net proceeds of the Offering.

     NON-SPECIFIC ACQUISITION STRATEGY. As part of its business strategy, the 
Company has grown and intends to continue to generate its growth principally 
through the acquisition of additional complementary drug testing laboratories 
and assets, and intermediate drug testing service providers. These 
acquisitions, if any, could be completed through the issuance of Common Stock 
or Preferred Stock of LABZ, utilization of available cash equivalents, 
possibly proceeds of the Offering (if any), borrowings or other sources of 
equity capital. The non-specific nature of the acquisitions makes an 
estimation of the amount to be allocated to acquisitions from these sources 
not determinable or subject to estimation at the date of this Prospectus. The 
Company's growth strategy has and will continue to require expanded customer 
services and support, increased personnel, expanded operational and financial 
systems and implementation of control procedures. There can be no assurance 
that the Company will be able to manage expanded operations effectively. 
Furthermore, failure to implement financial and other systems and to add 
control procedures could have a material adverse impact on the Company's 
results of operations and financial condition. Although the Company has 
completed six acquisitions in expansion of the Company's drug testing 
operations, since December 1994 (see "The Company--Background"), as of the 
date of this Prospectus, the Company has not entered into any agreements or 
commitments regarding any additional acquisitions, and there can be no 
assurance that additional acquisitions will be consummated. The Company's 
shareholders will, in all likelihood, not be afforded the opportunity to 
approve the terms of any such acquisitions because the Board of Directors 
will, in most cases, have the authority to consummate an acquisition without 
shareholder approval. Shareholders will also not have an opportunity to 
review the financial statements of an acquisition candidate, except where 
shareholder approval is required.

     The Company's acquisitions involve a number of risks including the 
diversion of management's attention to the assimilation of the acquired 
companies, adverse short-term effects on the Company's results of operations, 
the amortization of acquired intangible assets, the possibility that the 
acquired company or assets will not contribute to the Company's business, 
profitability and cash flows as expected, as well as the acquisition of 
operations other than legally defensible ("forensic") drug testing which may 
be discontinued or disposed of at a loss. See "Business--Growth Strategy."
   
     COMPETITION AMONG DRUG TESTING PROVIDERS. Drug testing laboratories 
compete primarily on the basis of price per specimen, technical superiority, 
and customer service. The price per specimen is an important factor in 
obtaining and maintaining customers, as well as maintaining profitability 
from operations. Competitive pricing by drug testing providers has resulted 
in a decline in the price per specimen tested during recent years. The 
average price per specimen obtained by the Company during the six-month 
period ended June 30, 1998, and during each of the years ended December 31, 
1997 and December 31, 1996, declined 3.2 percent, 2.0 percent and 4.7 percent, 
respectively, compared to the preceding period or year, principally due to 
increased price competition among providers of drug testing services. There 
is no assurance that such price declines will not continue in 1998 and 
thereafter. See "Management's Discussion and Analysis of Financial Condition 
and Results of Operations--Results of Operations." The Company believes LSI 
competes favorably in each of these categories. LSI competes with a variety 
and number of companies offering forensic drug testing services including 
national laboratory chains, independent national drug testing laboratories 
and numerous regional and local laboratories, many of which have greater 
financial resources than the Company. In addition, some potential customers 
of LSI operate their own drug testing facilities or may develop such 
facilities in the future. Further, LSI competes in certain areas of the 
market with companies that offer hand-held devices and on-site equipment that 
can be used to screen for the presence of drugs, although without forensic 
results. See "Business--Competition."
    
                                         -6-
<PAGE>

     EFFECT OF LOSS OR SUSPENSION OF LABORATORY CERTIFICATION. LSI's 
laboratory is certified by the Substance Abuse and Mental Health Services 
Administration ("SAMHSA"), a federal agency and regulatory successor to the 
National Institute on Drug Abuse ("NIDA"), the College of American 
Pathologist ("CAP"), as well as eight state and local jurisdictions. SAMHSA 
is a federal regulatory agency charged with the responsibility and authority 
to license laboratories performing drug testing services for the federal 
government and its agencies and federally regulated industries, such as the 
Department of Transportation, Department of Defense, etc. SAMHSA inspects, 
monitors and certifies laboratories that perform drug testing services under 
specific mandated guidelines. In order to obtain certification a laboratory 
must apply for certification, meet certain minimum facility requirements and 
then successfully complete a series of proficiency tests, which takes 
approximately 12 months to complete. CAP is a private organization which 
primarily focuses on the safety of working conditions in laboratories.

     Certification by SAMHSA is essential to LSI's business because some of 
its customers are required to use SAMHSA certified laboratories and many of 
its customers look to such certification as an indication of reliability and 
accuracy of tests. In order to remain certified, LSI is subject to frequent 
inspections and proficiency tests. Failure to meet any of the numerous 
certification requirements to which LSI is subject could result in suspension 
or loss of certification. Such suspension or loss of certification could have 
a material adverse effect on LSI and LABZ. NIDA suspended LSI's certification 
from January 24 to April 26, 1990, citing LSI's alleged failure to conform to 
NIDA regulations concerning certain operating procedures and failure to 
segregate the processing of specimens from those specimens that were not 
being processed in accordance with NIDA regulations. Laboratory remodeling 
was necessary to effect the required division of specimen processing. Upon 
LSI's compliance with NIDA regulations and reinspection by NIDA, the 
suspension was lifted. Many of LSI's competitors are also certified by one or 
more certifying bodies in addition to SAMHSA and CAP. See 
"Business--Certification and Government Regulation."

     HISTORY OF LOSSES. During 1996, the Company sustained a net loss of 
$585,711 on pretax income from operations of $1,215,676. The loss resulted 
from the discontinuance and disposal of the former clinical testings and 
analysis operations conducted by NPLI acquired in January 1996, and which 
generated a loss of $1,274,216. The Company's income from continuing 
operations for 1996 was $688,505. See "Management's Discussion and Analysis 
of Financial Condition and Results of Operations." Although currently the 
Company only conducts forensic drug testing (and such operations have been 
historically profitable), there can be no assurance that the Company will not 
sustain losses from operations in the future, including losses from 
operations acquired in connection with the Company's acquisition-growth 
strategy and that may be subsequently discontinued. See "Management's 
Discussion and Analysis of Financial Condition and Results of 
Operations--Results of Operations" and "Business--Growth Strategy."
   
     FLUCTUATIONS IN OPERATING RESULTS. The Company's operations are affected 
by decreases in the price per specimen tested principally due to increased 
price competition amongst providers of drug testing services, the price per 
specimen being an important factor in obtaining and maintaining customers. 
During each of the years ended December 31, 1997 and 1996, and the six 
months ended June 30, 1998, the price per specimen decreased 2.0 percent, 
4.7 percent and 3.2 percent, respectively, compared to the preceding year or 
the same period in the preceding year, principally due to increased price 
competition among providers of drug testing services. There can be no 
assurance that the price decline per specimen will not further decline during 
1998 and thereafter. The Company's operations are affected by general 
economic conditions, as well as seasonal trends, to which drug testing 
laboratories are generally subject. Recessionary periods generally result in 
fewer new employee hires, and, therefore, may lead to fewer pre-employment 
drug tests for customers. Budget cuts at the federal, state or local 
government level may reduce business from LSI's institutional and 
governmental customers. Because expenses associated with maintaining LSI's 
testing work force are relatively fixed over the short term, LSI's margins 
tend to increase in periods of higher testing volume and decrease in periods 
of lower testing volume. These effects are not always readily predictable 
because of the effect and timing of the startup of new business and other 
factors, such as timing and amount of general and administrative expense 
increases and price increases of laboratory supplies, most of which are not 
within the control of the Company. See "Management's Discussion and Analysis 
of Results of Operations and Financial Condition--Results of Operations."
    
     POTENTIAL LIABILITIES; LIMITED INSURANCE COVERAGE.  Employees of LSI, 
like those of all companies that provide drug testing services dealing with 
urine analysis specimens, may be exposed to risks of urine-borne infections, 
possibly including infection from AIDS and hepatitis, if appropriate 
laboratory practices are not followed.  Although


                                         -7-
<PAGE>


no infections of these types have been reported in LSI's history, no 
assurance can be provided that such infections will not occur in the future. 
In the ordinary course of its business, LSI from time to time is sued by 
individuals who have tested positive for drugs of abuse. To date, LSI has not 
experienced any material liability related to these claims, although there 
can be no assurance that LSI will not at some time in the future experience 
significant liability in connection with these types of claims, in which 
event, any such legal actions could have a material adverse effect on the 
Company's financial condition and results of operations.

     Although LSI presently is covered by malpractice and general liability 
insurance, there can be no assurance that the insurance coverage will provide 
sufficient funds to satisfy any judgments which could be entered against LSI 
or the Company in the future or that liability insurance in such amounts will 
be available or affordable in the future. In addition, there can be no 
assurance that all of the activities encompassed within the Company's 
business are covered under LSI's or the Company's insurance policies. The 
lack of such coverage could have a material adverse effect on the Company's 
financial condition and results of operations. Moreover, although the Company 
maintains casualty and business interruption insurance and has taken what it 
believes to be adequate safeguards, the catastrophic loss of the Company's 
laboratory facility could have a material adverse effect on the continued 
growth of the Company in a manner which would not be compensated fully by 
insurance. See "Business--Insurance Coverage."

     DEPENDENCE ON KEY PERSONNEL. The success of the Company is dependent in 
part on its key management and technical personnel. Although LABZ and LSI 
have employment contracts with certain of their key employees, each such 
contract may be terminated by the employee and the loss of one or more key 
employees could have a material adverse effect on the Company. The Company 
does not maintain for the benefit of the Company life or disability insurance 
covering the executive officers of the Company, and the loss of one or more 
of the executive officers due to death or disability could have a material 
adverse effect on the Company. The Company believes that its future success 
depends in part upon the continued ability to attract, retain and motivate 
additional highly skilled personnel. See "Business-- Employees" and 
"Management-- Directors and Executive Officers," "--Employment Arrangements" 
and "--Key-Man Life and Disability Insurance."

     EFFECTS OF ADVERSE JUDICIAL DECISIONS AND GOVERNMENT POLICY ON FORENSIC 
DRUG TESTING. State and federal courts have generally permitted the use of 
drug testing under certain circumstances and using certain kinds of 
procedures, generally those imposed by SAMHSA regulations. However, 
challenges to drug testing programs are raised from time to time by 
employees, unions and other groups in litigation on constitutional, privacy 
and other grounds. In addition, laws in a number of states regulate the 
circumstances under which employers may test employees and the procedures 
under which such tests must be conducted. Although the Company believes that, 
to date, no such legislation or law has had a material adverse impact upon 
its business, new court and administrative decisions, legislation or 
policies, that restrict the use of drug testing could have a material effect 
on the Company. See "Business--Certification and Government Regulation."

     RISKS ASSOCIATED WITH HAZARDOUS MATERIALS. LSI's drug testing activities 
involve the use of certain hazardous materials and chemicals. The hazardous 
material and chemical waste of LSI's laboratory operations are disposed of by 
an independent third party based upon procedures and methods that are 
believed to be in compliance with applicable federal, state and local 
regulations and laws. Although the Company believes that its safety 
procedures for handling and disposing of such materials and chemicals comply 
with the standards prescribed by state and federal regulations, the risk of 
accidental contamination or injury from these materials and chemicals cannot 
be completely eliminated. In the event of such an accident or improper 
disposal by the third party of the materials or chemicals, the Company could 
be held liable for any damages that result and any such liability could 
exceed the resources of the Company. See "Business--Environmental Matters."

     NASDAQ SMALLCAP MARKET DELISTING. The Company's Common Stock is included 
on the Nasdaq SmallCap Market. Continued inclusion of the Common Stock on 
Nasdaq SmallCap Market is subject to certain conditions, generally including 
the Common Stock having a certain minimum bid price per share, the Company 
having certain minimum levels of assets, stockholders' equity, number of 
shareholders, and number of outstanding publicly held shares of Common Stock. 
In the event such minimum requirements for inclusion are not met, the Common 
Stock will be delisted and no longer included on the Nasdaq SmallCap Market, 
would then be traded in the over-the-counter market, and may become subject 
to the "penny stock" trading rules. The over-the-counter market is 
characterized as volatile in that securities traded in such market are 
subject to substantial and sudden price increases and decreases and at times 
price (bid and asked) information for such securities may not be available. 
In addition, when there are two

                                         -8-
<PAGE>

or less market makers (a dealer holding itself out as ready to buy and sell 
the securities on a regular basis), there is a risk that the dealer or group 
of dealers may control the market in the security and set prices that are not 
based on competitive forces, possibly resulting in the available offered 
price being substantially below the quoted bid price. See "Price Range of 
Common Stock and Warrants; Dividends--Penny Stock Trading Rules."

     PENNY STOCK TRADING RULES. In the event such minimum requirements for 
inclusion on Nasdaq SmallCap Market are not met, the Common Stock will be 
delisted and no longer included on the Nasdaq SmallCap Market and would then 
be traded in the over-the-counter market, and may become subject to the 
"penny stock" trading rules. The penny stock trading rules impose additional 
duties and responsibilities upon broker-dealers and salespersons effecting 
purchase and sale transactions in common stock and other equity securities, 
including determination of the purchaser's investment suitability, delivery 
of certain information and disclosures to the purchaser, and receipt of a 
specific purchase agreement from the purchaser prior to effecting the 
purchase transaction. In the event the Common Stock becomes subject to the 
penny stock trading rules, compliance with such trading rules will affect the 
ability to resell the Common Stock principally because of the additional 
duties and responsibilities imposed upon the broker-dealers and salespersons 
recommending and effecting sale and purchase transactions in Common Stock. In 
addition, many broker-dealers will not effect transactions in penny stocks, 
except on an unsolicited basis, in order to avoid compliance with the penny 
stock trading rules. In the event the Common Stock becomes subject to the 
penny stock trading rules, such rules may materially limit or restrict the 
ability of a holder to resell the Common Stock, and the liquidity typically 
associated with other publicly traded equity securities may not exist or be 
materially restricted. See "Price Range of Common Stock and Warrants; 
Dividends--Penny Stock Trading Rules."
   
     POSSIBLE ADVERSE EFFECT OF FUTURE SALE OF RESTRICTED SHARES ON MARKET 
PRICE OF COMMON STOCK. Sales of substantial amounts of the Common Stock in 
the public market following completion of the Offering could adversely affect 
the market price of the Common Stock. At the date of this Prospectus, 1,020,906
shares of LABZ's outstanding Common Stock held by officers and directors of the 
Company are subject to the resale limitations under Rule 144 as promulgated 
by the Commission pursuant to the 1933 Act, of which 105,906 shares are being 
offered for resale pursuant to the Offering. The resale limitations of Rule 144 
generally provide that beneficial owners of shares who are affiliates 
(officers, directors or other control persons) or have held such shares for 
one year but less than two years may sell within a three-month period a 
number of shares not exceeding one percent of the total outstanding shares or 
the average trading volume of the shares during the four calendar weeks 
preceding such sale. Future sales of substantial amounts of Common Stock in 
the public market following the Offering could adversely affect the market 
price of the Common Stock. See "Shares Eligible for Future Sale."
    
   
     EFFECT OF SECURITIES ISSUABLE UPON EXERCISE OF OUTSTANDING WARRANTS AND 
STOCK OPTIONS. In addition to the Jesup & Lamont Group Warrants, as of the 
date of this Prospectus, there are outstanding stock options and warrants 
exercisable for the purchase of 793,486 shares of Common Stock. See 
"Description of Securities--Outstanding Stock Options and Other Warrants." 
During the term of the outstanding warrants and stock options, the holders 
thereof are given the opportunity to profit from a rise in the market price 
of the Common Stock, and the exercise of the such warrants or option may 
dilute the net book value per share of Common Stock at the time of exercise. 
The existence of the outstanding warrants and stock option may adversely 
affect the terms on which the Company may obtain additional equity financing 
in the future. Furthermore, the holders are likely to exercise their such 
warrants and stock options at a time when the Company would otherwise be able 
to obtain capital on terms more favorable than could be obtained through the 
exercise of such warrants.
    
     ABSENCE OF DIVIDENDS.  The Company has never paid cash dividends and 
does not anticipate paying any cash dividends on its Common Stock in the 
foreseeable future.  The Company intends to retain profits, if any, to fund 
growth and expansion in the future.  See "Price Range of Common Stock; 
Dividends."

     POSSIBLE EFFECT OF ANTI-TAKEOVER PROVISIONS ON MARKET PRICE OF COMMON 
STOCK. Provisions of LABZ's Certificate of Incorporation and the Oklahoma 
General Corporation Act may make it difficult to effect a change in control 
of LABZ and replace incumbent management, and such provisions could limit the 
price investors might be willing to pay in the future for shares of Common 
Stock. See "Description of Securities--Anti-Takeover Provisions." The 
Certificate of Incorporation authorizes the issuance of Preferred Stock in 
classes or series, and the Board of Directors to set and determine voting, 
redemption and conversion rights and other rights related to such class or 
series of Preferred Stock, which in some circumstances, the Preferred Stock 
could be issued and have the effect of preventing a merger, tender offer or 
other takeover attempt which the Company's Board of Directors opposes. At 
some time in

                                         -9-
<PAGE>

the future, the Company may become subject to the anti-takeover provisions of 
the Oklahoma General Corporation Act, which in such case and in some 
circumstances may discourage a person from making a control share acquisition 
(generally an acquisition of voting stock having more than 20 percent of all 
voting power in the election of directors) without shareholder approval. See 
"Description of Securities--Anti-Takeover Provisions."

                                 THE COMPANY

     Laboratory Specialists of America, Inc. (the "Company" or "LABZ"), 
through its wholly-owned subsidiary Laboratory Specialists, Inc. ("LSI"), 
owns and operates a laboratory providing drug testing services to corporate 
and institutional customers seeking to detect and deter the use of illegal 
drugs. The drug testing market currently is in an expansion mode in part due 
to the adoptions of additional Department of Transportation regulations, 
which became effective in 1995, that substantially expanded the regulations 
mandating random drug testing of workers, especially in safety-sensitive 
jobs, such as trucking, aviation, railroads and pipelines. Under these 
amended regulations, 50 percent of transportation workers (mass-transit 
workers and interstate truckers and bus drivers) are required to be tested 
annually. It is expected that 7.5 million workers will be required to undergo 
drug testing each year, up from 3.5 million workers in years prior to 1995. 
In addition, testing is on the rise generally as more companies test job 
applicants and employees. Since 1987, the number of companies with drug 
testing programs has more than tripled. Government data indicates that drug 
abuse costs American business $100 billion annually in lost productivity, 
increased accidents, absenteeism, medical claims and employee theft.

     In the 1970s, drug testing was limited largely to criminal justice 
agencies and drug treatment programs. In the 1980s, however, increased 
awareness of the drug abuse problem and its consequences led to increased 
drug testing in the workplace. Since a 1986 Executive Order by President 
Reagan, there has been a broad base of governmental and private sector 
initiatives, including federal regulations mandating drug testing in certain 
circumstances. There has been a significant increase in the number of 
companies which have instituted drug testing programs. It is estimated that 
approximately 20 million U.S. workers were tested for drug use in 1997.

     LSI is certified by the Substance Abuse and Mental Health Services 
Administration ("SAMHSA"), a federal agency and regulatory successor to the 
National Institute on Drug Abuse ("NIDA"), to conduct drug testing using 
legally defensible (forensic) procedures required for legal defensibility of 
test results. The essential elements of these procedures are a secure 
chain-of-custody for each specimen from its collection to the reporting of 
test results and accurate and reliable testing in which a second independent 
test is performed to confirm each positive test result. The drug testing 
services offered by LSI also include assisting customers with the development 
of drug testing programs, training customer personnel, managing specimen 
collection, arranging for transportation of specimens to LSI's laboratory, 
identifying trends in local and national drug use, interpreting test results 
and providing expert testimony concerning challenged test results. All of 
these services are customized to the individual needs of the customers to 
assist in the implementation and cost-effective maintenance of test programs.

     More than 70,000 urine specimens are currently analyzed by LSI monthly 
for corporate and institutional employers. LSI's customers use drug testing 
principally as a part of their hiring decisions in order to reduce costs 
associated with drug abuse in the workplace. In addition, an increasing 
number of customers test employees in safety- sensitive positions on a 
periodic or random basis and test other employees upon reasonable suspicion 
of drug abuse.

     LABZ was incorporated in Oklahoma on March 24, 1994, and its executive 
offices are located at 101 Park Avenue, Suite 810, Oklahoma City, Oklahoma 
73102 with a telephone number of (405) 232-9800. LSI was organized in 1978. 
LSI's executive offices and laboratory are located at 1111 Newton Street, 
Gretna, Louisiana 70053, which is near New Orleans, and its telephone numbers 
are (504) 361-8989 and (800) 433-3823.

BACKGROUND

     PETERSON SHARE EXCHANGE. In April 1994, LSI issued 706,244 shares of LSI 
Preferred Stock to MBf USA, Inc. ("MBf USA") with a stated value of $1.00 per 
share, and pursuant to a Stock Exchange Agreement, MBf USA transferred to 
Arthur R. Peterson, Jr. all of the outstanding common stock of LSI in 
exchange for 1,300,000 shares of the common stock of MBf USA (having a market 
value of $1,178,125), and, effective February 23, 1994, LSI issued a 
promissory note (the "MBf USA Promissory Note") in the principal amount of 
$353,123 to MBf USA, which resulted in LSI ceasing to be a wholly-owned 
subsidiary of MBf USA (the "Peterson Share Exchange"). The MBf

                                         -10-
<PAGE>

   
Promissory Note was paid in March 1998. The acquisition of the LSI common 
stock by Mr. Peterson was accounted for under the purchase method of 
accounting. The purchase price exceeded the fair market value of the net 
tangible assets of LSI by approximately $1,565,000 and represented a material 
payment for goodwill, an intangible asset, which is being amortized over 40 
years.
    

     LSI ACQUISITION. Pursuant to an Exchange Agreement dated June 30, 1994, 
Arthur R. Peterson, Jr. exchanged the outstanding common stock of LSI for 
1,000,000 shares of Common Stock and 300,000 shares of Series I Preferred 
Stock of LABZ, and MBf USA exchanged the LSI Preferred Stock for 239,405 
shares of Common Stock of LABZ (the "LSI Acquisition"). As a result of the 
LSI Acquisition, LSI became a wholly-owned subsidiary of LABZ on July 8, 
1994. The LSI Acquisition was accounted for as a reverse acquisition of LABZ 
by LSI. On July 10, 1995, the Series I Preferred Stock was redeemed by LABZ 
in full and ceased to be issued and outstanding.

     PRIVATE PLACEMENT AND PRIOR OPERATIONS OF LABZ. Prior to the LSI 
Acquisition, the operations of LABZ were limited to completion of a private 
placement of 150,000 shares of its Common Stock for net proceeds of 
approximately $145,000 and the operations associated with the LSI Acquisition.
   
     INITIAL PUBLIC OFFERING. On October 11, 1994, the Company completed its 
offering of 1,320,000 shares of Common Stock and 660,000 1994 Warrants in 
units of two shares of Common Stock and one 1994 Warrant at a price of $5.49 
per unit, which represented a 10 percent discount of the public offering 
price of $6.10 per unit. The proceeds after offering expenses to the Company 
were $3,261,660. As a portion of underwriting compensation, the Company 
issued to Barron Chase Securities, Inc. and its designees the Barron Chase 
Group Warrants exercisable for the purchase of 66,000 units for $7.32 per 
unit on or before October 11, 1999. As of the date of this Prospectus, the 
outstanding Barron Chase Group Warrants are exercisable for the purchase of 
34,000 Units (68,000 shares of Common Stock).
    
     NDAC ASSET PURCHASE. On December 1, 1994, the Company acquired from 
National Drug Assessment Corporation ("NDAC") certain intangible assets 
pursuant to an Asset Purchase Agreement, dated November 30, 1994, ("NDAC 
Asset Purchase"). The assets purchased included the customer list of NDAC and 
certain other intangible assets (the "NDAC Purchased Assets"). In connection 
with the acquisition of the NDAC Purchased Assets, the Company (i) paid 
$750,000 and issued and delivered 189,000 shares of Common Stock and (ii) 
assumed the obligations of NDAC under an office lease agreement. The 
$1,070,940 purchase price of the NDAC Purchased Assets was allocated entirely 
to the customer list, which was recorded as an intangible asset, which is 
being amortized over 15 years.

     NPLI ACQUISITION. On January 2, 1996, LABZ acquired all of the issued 
and outstanding capital stock (the "NPLI Stock") of National 
Psychopharmacology Laboratory, Inc., a Tennessee corporation ("NPLI"), and 
purchased goodwill (the "NPLI Goodwill"), pursuant to a Stock Purchase 
Agreement dated January 1, 1996 (the "NPLI Purchase Agreement"), and NPLI 
became a wholly-owned subsidiary of the Company. NPLI was engaged in forensic 
drug testing and clinical testing and analysis.

   
     Pursuant to the NPLI Purchase Agreement, the Company agreed to pay (i) 
$1,585,000 for the NPLI Stock (the "NPLI Stock Purchase Price") of which 
$1,075,000 was paid at closing to the shareholders of NPLI (the "NPLI 
Shareholders"), two unsecured promissory notes (the "Promissory Notes"), in 
the aggregate face amount of $638,000, were issued and delivered to 
the NPLI Shareholders, and NPLI conveyed to the NPLI shareholders an office 
building and NPLI's leasehold interest in the real property on which the 
office building is located and affixed at an agreed market value of $75,000, 
and (ii) $140,000 for the NPLI Goodwill payable in 24 monthly installments 
commencing on February 1, 1996.
    

     Pursuant to the NPLI Purchase Agreement, the aggregate principal amount 
of the Promissory Notes was reduced to $510,000 effective January 2, 1996, 
further reduced by principal payments, and pursuant to the Settlement 
Agreement and General Release dated August 25, 1997, the Company issued and 
delivered to the former NPLI shareholders 103,333 shares of Common Stock on 
August 28, 1997, in full payment and elimination of the Promissory Notes. 
Furthermore, pursuant to the NPLI Purchase Agreement, (i) the Company paid 
certain NPLI shareholder loans in the aggregate amount of $275,000 and (ii) 
entered into a certain First Amendment of Lease Agreement with DJ Associates, 
a general partnership of which the NPLI Shareholders are the general 
partners, and pursuant to which the

                                         -11-
<PAGE>

Company and NPLI leased certain office and laboratory facilities for a term 
of six months and agreed to pay monthly rent of $3,000. The total purchase 
price of approximately $3,400,000 was recorded as intangible assets.

     The Company consolidated and assimilated the forensic drug testing 
operations of NPLI with those of LSI during the first quarter of 1996. The 
Company discontinued the clinical testing and analysis operations of NPLI 
during the fourth quarter of 1996 after several attempts to dispose of the 
clinical testing and analysis operations.

     PLL ASSET PURCHASE. On January 31, 1997, LABZ acquired from Pathology 
Laboratories, Ltd., a Mississippi corporation ("PLL"), certain forensic drug 
testing assets (the "PLL Asset Purchase") pursuant to an Asset Purchase 
Agreement dated January 31, 1997 (the "PLL Purchase Agreement"). The assets 
purchased included the customer list of PLL and all related assets, and all 
assets owned by PLL used in connection with the PLL office in Greenville, 
South Carolina. Pursuant to the Purchase Agreement, LABZ (i) paid $1,600,000 
at closing and $765,601 in four quarterly installments during the 12-month 
period ended January 31, 1998, and (ii) assumed the obligations of PLL under 
a certain Lease between Edith Schlien and PLL, dated September 16, 1996, 
covering approximately 2,500 square feet of office space located in 
Greenville, South Carolina, which requires monthly base rental payments of 
$2,083 and which expires on September 16, 1999.
   
     WARRANT REDEMPTION. In October 1997, LABZ completed the redemption of 
its outstanding 1994 Warrants and, in connection therewith and pursuant to 
exercise of the 1994 Warrants, issued 1,440,580 shares of its Common Stock 
for $2.00 per share for net proceeds to LABZ of $2,470,951 (the "Warrant 
Redemption Offering"). For services performed, LABZ issued to Barber & 
Bronson Incorporated and its assigns warrants to purchase 144,058 shares of 
Common Stock for $2.20 per share during the three-year period ending October 
14, 2000 (the "Barber & Bronson Group Warrants"), and paid Barber & Bronson 
Incorporated aggregate fees of $190,829. As of the date of this Prospectus, a 
portion of the Baron Chase Group Warrants have been exercised for the 
purchase of 32,000 units (64,000 shares of Common Stock) and the Company 
received net proceeds of $230,400 and a portion of the Barber and Bronson 
Group Warrants have been exercised for the purchase of 98,572 shares of 
Common Stock and the Company received net proceeds of $216,858.
    
ACCU-PATH ASSET PURCHASE. On December 1, 1997, the Company acquired from 
Accu-Path Medical Laboratory, Inc. ("Accu-Path") certain intangible assets 
pursuant to an Asset Purchase Agreement, dated December 1, 1997, (the 
"Accu-Path Asset Purchase"). The assets purchased included the customer list 
of Accu-Path and all related assets and certain assets utilized in the office 
of Accu-Path at its offices in Ruston, Louisiana (the "Accu-Path Assets"). In 
connection with the acquisition of the Accu-Path Assets, the Company agreed 
to pay 180 percent of the forensic testing revenues during the period of June 
through November 1998, with an advance payment of $100,000 on December 1, 
1997, and the remaining purchase price balance will be paid through four 
quarterly installment payments with the first of such payments due on 
December 31, 1998. The purchase price of the Accu-Path Assets was or will be 
allocated entirely to the customer list, which was recorded as an intangible 
asset, which is being amortized over 15 years. At December 31, 1997, the 
accrued installment payments totaled $260,000.
   
     HLI ASSET PURCHASE. On May 1, 1998, the Company acquired from Harrison 
Laboratories, Inc. ("HLI") a customer list pursuant to an Asset Purchase 
Agreement, dated April 13, 1998 (the "HLI Asset Purchase"). In connection 
with the HLI Asset Purchase, the Company (i) paid $500,000 at closing and 
agreed to pay on or before May 30, 1999, an amount equal to the revenues 
attributable to the customer list during the one-year period ending April 30, 
1999, in excess of $500,000, (ii) assumed HLI's obligations under a five-year 
lease with Linc Quantum Analytics Inc., dated November 11, 1997, and acquired 
the related equipment, and (iii) entered into a three-year employment 
agreement with the principal shareholder of HLI as a sales representative, 
providing for a base salary of $50,000 per year, monthly bonuses equal to 
3.5 percent of revenues attributable to the customer list, and other 
benefits. The purchase price of the customer list was recorded as an 
intangible asset, which is being amortized over 15 years.
    
   
     1998 PRIVATE OFFERING. On June 4, 1998, LABZ completed the offering of 
555,222 shares of Common Stock for estimated net proceeds of $2,285,600 (the 
"1998 Private Offering"). Furthermore, LABZ paid Jesup & Lamont Securities 
Corporation (the "Jesup & Lamont") a placement fee of $174,650 and issued the 
Jesup & Lamont Group Warrants to Jesup & Lamont and its designees. In 
connection with the 1998 Private Offering, LABZ agreed to (i) file a 
registration statement under the 1933 Act with respect to the Common Stock 
offered and underlying the Jesup & Lamont Group Warrants within 30 days of 
termination of such offering, (ii) obtain effectiveness of such registration 
statement within 90 days following such termination or within five days of 
the clearance by the Commission to allow acceleration of effectiveness, and 
(iii) maintain the effectiveness of the registration statement for a minimum 
of six years. A penalty, in the form of warrants representing five percent 
the shares of Common Stock sold pursuant to the
    
                                         -12-
<PAGE>
   
1998 Private Offering applies for each 30-day period in which LABZ fails to 
file or obtain effectiveness of the registration statement on or before 
September 2, 1998. Pursuant to such agreement, LABZ has filed the 
Registration Statement of which this Prospectus is a part. See "Description 
of Securities--Jesup & Lamont Group Warrants."
    
     TLI ASSET PURCHASE. On July 1, 1998, the Company acquired the customer 
list and other intangible assets of TOXWORX Laboratories, Inc. (the "TLI 
Asset Purchase") for $2.4 million pursuant to an Asset Purchase Agreement 
date June 8, 1998. The purchase price of the customer list and other 
intangible assets acquired was recorded as intangible assets which are being 
amortized over 15 years.

                                   USE OF PROCEEDS
   
     The net proceeds of the Offering to be received by the Company will be 
dependent upon the number of shares of Common Stock purchased pursuant to 
exercise of the Jesup & Lamont Group Warrants. In the event the Jesup & 
Lamont Group Warrants are exercised in full, the estimated net proceeds to 
the Company, after deduction of estimated commissions and other offering 
costs of $28,500, will be $271,319. However, there is no assurance that any 
portion of the Jesup & Lamont Group Warrants will be exercised; therefore, 
the proceeds of the Offering are not determinable as of the date of this 
Prospectus. Pending use, the net proceeds will be invested by the Company in 
investment grade, short-term, interest-bearing securities. It is anticipated 
that the Company will expend the net proceeds of the Offering, assuming 
exercise of the Jesup & Lamont Group Warrants in full, in repayment of LSI's 
installment bank loan which was obtained on July 2, 1997, and secured by 
LSI's recently acquired and renovated building in which the laboratory 
facilities of LSI are currently located. This installment bank loan is 
payable in 36 monthly principal and interest payments of approximately 
$9,800, followed by 23 monthly principal and interest payments of 
approximately $6,000, with a final payment becoming due on July 2, 2002, of 
approximately $484,700. As of June 30, 1998, the outstanding principal 
amount of this loan was $668,208, which bore interest at 8.65 percent per 
annum. See "Business--Properties."
    
     With respect to the repayment of all or a portion of the outstanding 
borrowings under LSI's installment loan indebtedness, the Company or LSI may 
reborrow such amounts under such loans for general corporate purposes, 
including working capital and acquisitions in the Company's current and 
related business area. See "Business--Growth Strategy."

     The Company's business plan contemplates acquisitions of companies and 
the assets of companies engaged in the providing of drug testing services 
compatible with, or complementary to, the Company's business. As of the date 
of this Prospectus, the Company has not entered into any definitive 
agreements or commitments with respect to any additional acquisitions, and 
there can be no assurance that any additional acquisitions will be 
consummated. The amount of net proceeds expended with respect to an 
acquisition will be determined by the Board of Directors of LABZ, and, in 
most cases, it is anticipated that each acquisition will be consummated 
without approval by the shareholders of LABZ. The amount, if any, of net 
proceeds of the Offering and the current available cash equivalents to be 
utilized in the consummation of any acquisition cannot be determined at the 
date of this Prospectus; however, in the event LABZ enters into any binding 
commitments or definitive agreements with respect to an acquisition, this 
Prospectus will be appropriately supplemented or amended. It is anticipated 
by management of LABZ that the acquisitions funded with the net proceeds of 
the Offering, assuming exercise of the Jesup & Lamont Group Warrants in full, 
and the available cash equivalents of the Company, will be completed within 
three years after completion of the Offering. In the event the net proceeds 
of the Offering, if any, and the available cash equivalents of the Company 
are not sufficient to complete an acquisition, additional sums will be drawn 
from the earnings of the Company, if any, and thereafter from borrowings or 
other sources of equity capital. See "Risk Factors--Non-Specific Acquisition 
Strategy."

                                         -13-
<PAGE>

                                 SELLING SHAREHOLDERS

    The following table presents certain information as to the holders of 
shares of Common Stock being offered for resale (the "Selling Shareholders"), 
their ownership of Common Stock as of the date of this Prospectus, as 
adjusted to give effect to exercise of the Jesup & Lamont Group Warrants in 
full, together with the percentage holdings of the outstanding shares of 
Common Stock, and, as adjusted, after giving effect to the Offering. Other 
than John Simonelli, Larry E. Howell and Arthur R. Peterson, Jr., each of 
whom is an executive officer and director of the Company, each of the Selling 
Shareholders has not held any position or office or had any other material 
relationship with the Company or its affiliates during the past three years, 
other than in connection with the 1998 Private Offering.

   
<TABLE>
<CAPTION>
                                                                                      COMMON STOCK OWNED
                                                                                     AFTER THE OFFERING(1)
                                                                                     ---------------------
                                                       COMMON STOCK   COMMON STOCK     NUMBER
                                                       BENEFICIALLY      SHARES          OF        PERCENT
SELLING SHAREHOLDER                                       OWNED         OFFERED(1)     SHARES       OWNED
- -------------------                                    ------------   ------------   ---------     -------
<S>                                                    <C>            <C>            <C>           <C>
Arthur R. Peterson, Jr.  . . . . . . . . . . . . .       525,472         35,472       490,000        8.5%
John Simonelli . . . . . . . . . . . . . . . . . .       235,217         35,217       200,000        3.5%
Larry E. Howell. . . . . . . . . . . . . . . . . .       235,217         35,217       200,000        3.5%
Special Situations Private Equity Fund, LP . . . .       222,222        222,222          --           --
Pequot Scout Fund, LP. . . . . . . . . . . . . . .       200,000        200,000          --           --
Alfred Aysseh. . . . . . . . . . . . . . . . . . .        40,000         40,000          --           --
OT Finance SA. . . . . . . . . . . . . . . . . . .        15,000         15,000          --           --
KDP Enterprises. . . . . . . . . . . . . . . . . .        10,000         10,000          --           --
Metropolis Equity Fund . . . . . . . . . . . . . .        10,000         10,000          --           --
Alain Aysseh . . . . . . . . . . . . . . . . . . .        10,000         10,000          --           --
George H. Levine . . . . . . . . . . . . . . . . .        10,000         10,000          --           --
Merl Trust . . . . . . . . . . . . . . . . . . . .         7,000          7,000          --           --
Ralph Mandarino. . . . . . . . . . . . . . . . . .         5,000          5,000          --           --
David Herzog . . . . . . . . . . . . . . . . . . .         5,000          5,000          --           --
The Lucien I. Levy Revocable Living Trust. . . . .         5,000          5,000          --           --
Elvire Levy. . . . . . . . . . . . . . . . . . . .         5,000          5,000          --           --
William H. Duling and Susan E. Duling. . . . . . .         5,000          5,000          --           --
Michele Spycher. . . . . . . . . . . . . . . . . .         3,000          3,000          --           --
Julis O. Luck. . . . . . . . . . . . . . . . . . .         2,000          2,000          --           --
Paul S. Vanderwerf . . . . . . . . . . . . . . . .         1,000          1,000          --           --
Holders of Jesup & Lamont Group Warrants(1):
Gary B. Davis  . . . . . . . . . . . . . . . . . .        11,500         11,500          --           --
George R. Hoos . . . . . . . . . . . . . . . . . .         1,500          1,500          --           --
Eileen Sena. . . . . . . . . . . . . . . . . . . .         1,500          1,500          --           --
Joan L. Morgen . . . . . . . . . . . . . . . . . .         7,000          7,000          --           --
Gilard Ottensoser  . . . . . . . . . . . . . . . .         1,000          1,000          --           --
Peter Stern. . . . . . . . . . . . . . . . . . . .         2,500          2,500          --           --
Jessup & Lamont Securities Corporation . . . . . .        14,022         14,022          --           --
Ron Furman . . . . . . . . . . . . . . . . . . . .         4,000          4,000          --           --
John Z. Rigos  . . . . . . . . . . . . . . . . . .         3,000          3,000          --           --
Samuel Gordon  . . . . . . . . . . . . . . . . . .         2,000          2,000          --           --
Susan Sweet  . . . . . . . . . . . . . . . . . . .         2,500          2,500          --           --
Howard F. Curd . . . . . . . . . . . . . . . . . .         5,000          5,000          --           --
</TABLE>
    

- ------------------------
(1)  Assumes exercise of the Jesup & Lamont Group Warrants in full and the 
     issuance of 55,522 shares of Common Stock.
   
     With respect to the shares of Common Stock offered for resale, other 
than those shares offered by Messrs. Peterson, Simonelli and Howell, the 
Company agreed to pay and bear the cost of registering such Common Stock.
See "The Company--Background--1998 Private Offering." With respect to the 
shares of Common Stock offered for resale by Messrs. Peterson, Simonelli and 
Howell, each has agreed to bear and pay the incremental cost of registration 
which is approximately $49.
    
                                         -14-
<PAGE>
                        PRICE RANGE OF COMMON STOCK; DIVIDENDS

     The Company's Common Stock is traded in the over-the-counter market and 
is quoted on Nasdaq SmallCap Market under the symbol LABZ. The following 
table sets forth, for the periods presented, the high and low closing bid 
quotations in the over-the-counter market as quoted by Nasdaq SmallCap Market 
of the Common Stock. The bid quotations reflect inter-dealer prices without 
adjustment for retail markups, markdowns or commissions and may not reflect 
actual transactions.
<TABLE>
<CAPTION>
                                                 CLOSING BID
                                            --------------------
                                                COMMON STOCK
                                            --------------------
QUARTER ENDED                                HIGH           LOW
- -------------                               ------         -----
<S>                                         <C>            <C>
June 30, 1998. . . . . . . . . . . . .      $5.31          $4.31
March 31, 1998 . . . . . . . . . . . .       5.13           4.13

December 31, 1997. . . . . . . . . . .      $6.19          $3.16
September 30, 1997 . . . . . . . . . .       3.69           2.56
June 30, 1997. . . . . . . . . . . . .       2.88           2.13
March 31, 1997 . . . . . . . . . . . .       3.13           2.25

December 31, 1996. . . . . . . . . . .      $3.26          $2.56
September 30, 1996 . . . . . . . . . .       3.38           2.38
June 30, 1996. . . . . . . . . . . . .       3.69           3.00
March 31, 1996 . . . . . . . . . . . .       4.00           2.88

December 31, 1995. . . . . . . . . . .      $3.75          $2.88
September 30, 1995 . . . . . . . . . .       4.00           2.88
June 30, 1995. . . . . . . . . . . . .       3.63           3.13
March 31, 1995 . . . . . . . . . . . .       3.44           3.00
</TABLE>
   
     On August 31, 1998, the closing sale price of the Common Stock, as quoted 
on Nasdaq SmallCap Market, was $3.50. As of the date of this Prospectus, 
there are approximately 1,600 holders of LABZ's Common Stock.
    
     LABZ has never paid a cash dividend on its Common Stock. LABZ's dividend 
policy is to retain its earnings to support the expansion of its operations. 
The Board of Directors of LABZ does not intend to pay cash dividends on the 
Common Stock in the foreseeable future. Any future cash dividends will depend 
on future earnings, capital requirements, LABZ's financial condition and 
other factors deemed relevant by the Board of Directors.

NASDAQ SMALLCAP MARKET DELISTING; PENNY STOCK TRADING RULES

     The Company's Common Stock is included on the Nasdaq SmallCap Market. 
Continued inclusion of the Common Stock on Nasdaq SmallCap Market is subject 
to certain conditions, generally including the Common Stock having a certain 
minimum bid price per share, the Company having certain minimum levels of 
assets, stockholders' equity, number of shareholders, and number of 
outstanding publicly held shares of Common Stock. In the event such minimum 
requirements for inclusion are not met, the Common Stock will be delisted and 
no longer included on the Nasdaq SmallCap Market and would then be traded in 
the over-the-counter market and may become subject to the "penny stock" 
trading rules.

     The penny stock trading rules impose additional duties and 
responsibilities upon broker-dealers recommending the purchase of a penny 
stock (by a purchaser that is not an accredited investor as defined by Rule 
501(a) promulgated by the Commission under the 1933 Act) or the sale of a 
penny stock. Among such duties and responsibilities, with respect to a 
purchaser who has not previously had an established account with the 
broker-dealer, the broker-dealer is required to (i) obtain information 
concerning the purchaser's financial situation, investment experience, and 
investment objectives and (ii) make a reasonable determination that 
transactions in the penny stock are suitable for the purchaser and the 
purchaser (or his independent adviser in such transactions) has sufficient 
knowledge and experience in financial matters and may be reasonably capable 
of evaluating the risks of such transactions, followed by receipt of a 
manually signed written statement which sets forth the basis for such 
determination and which informs the purchaser that it is unlawful to 
effectuate a transaction in the penny stock without first obtaining a written 
agreement to the

                                         -15-
<PAGE>

transaction. Furthermore, until the purchaser becomes an established customer 
(I.E., having had an account with the dealer for at least one year or, the 
dealer had effected three sales or more of penny stocks on three or more 
different days involving three or more different issuers), the broker-dealer 
must obtain from the purchaser a written agreement to purchase the penny 
stock which sets forth the identity and number of shares or units of the 
security to be purchased prior to confirmation of the purchase. A dealer is 
obligated to provide certain information disclosures to the purchaser of a 
penny stock, including (i) a generic risk disclosure document which is 
required to be delivered to the purchaser before the initial transaction in a 
penny stock, (ii) a transaction-related disclosure prior to effecting a 
transaction in the penny stock (I.E., confirmation of the transaction) 
containing bid and asked information related to the penny stock and the 
dealer's and salesperson's compensation (I.E., commissions, commission 
equivalents, markups and markdowns) in connection with the transaction, and 
(iii) the purchaser-customer must be furnished account statements, generally 
on a monthly basis, which include prescribed information relating to market 
and price information concerning the penny stocks held in the customer's 
account. The penny stock trading rules do not apply to those transactions in 
which a broker-dealer or salesperson does not make any purchase or sale 
recommendation to the purchaser or seller of the penny stock.

     Required compliance with the penny stock trading rules affect or will 
affect the ability to resell the Common Stock by a holder principally because 
of the additional duties and responsibilities imposed upon the broker-dealers 
and salespersons recommending and effecting sale and purchase transactions in 
such securities. In addition, many broker-dealers will not effect 
transactions in penny stocks, except on an unsolicited basis, in order to 
avoid compliance with the penny stock trading rules. The penny stock trading 
rules consequently may materially limit or restrict the liquidity typically 
associated with other publicly traded equity securities. In this connection, 
the holder of Common Stock may be unable to obtain on resale the quoted bid 
price because a dealer or group of dealers may control the market in such 
securities and may set prices that are not based on competitive forces. 
Furthermore, at times there may be a lack of bid quotes which may mean that 
the market among dealers is not active, in which case a holder of Common 
Stock may be unable to sell such securities. Because market quotations in the 
over-the-counter market are often subject to negotiation among dealers and 
often differ from the price at which transactions in securities are effected, 
the bid and asked quotations of the Common Stock may not be reliable.

                              CAPITALIZATION

     The following table sets forth the capitalization of the Company as of 
March 31, 1998. This table should be read in conjunction with the audited 
consolidated financial statements and notes thereto of the Company appearing 
elsewhere in this Prospectus.
   
<TABLE>
<CAPTION>
                                                                                                     AS OF
                                                                                                    JUNE 30,
                                                                                                     1998(1)
                                                                                                  -----------
<S>                                                                                               <C>
Current portion of long-term debt. . . . . . . . . . . . . . . . . . . . . . . . . . . .             $535,531
Long-term debt, net of current portion . . . . . . . . . . . . . . . . . . . . . . . . .            1,730,909
Stockholders' equity:
  Common Stock, $.001 par value, 20,000,000 shares authorized;
    5,602,446 shares issued and outstanding. . . . . . . . . . . . . . . . . . . . . . .                5,602
  Paid-in capital in excess of par, common stock . . . . . . . . . . . . . . . . . . . .           10,136,973
  Retained earnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .            2,564,319
                                                                                                  -----------
    Total stockholders' equity . . . . . . . . . . . . . . . . . . . . . . . . . . . . .           12,706,894
                                                                                                  -----------
Total capitalization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .          $14,973,334
                                                                                                  -----------
                                                                                                  -----------
</TABLE>
    
- ------------------------
   
(1)  Gives no effect to (i) the exercise of stock options and warrants after 
     June 30, 1998, (ii) the exercise of the Jesup & Lamont Group Warrants, 
     (iii) the exercise of the outstanding stock options granted under the 
     1994 Option Plan and the 1997 Option Plan exercisable for the purchase 
     of 615,000 shares of Common Stock, and (iv) the exercise of the other 
     outstanding stock options and warrants exercisable for the purchase of 
     178,486 shares of Common Stock. See "Management--1994 Stock Option Plan" 
     and
    
                                         -16-

<PAGE>

     "--1997 Non-Qualified Stock Option Plan," and "Description of
     Securities--Outstanding Stock Options and Other Warrants."

                            SELECTED FINANCIAL INFORMATION
   
     The following selected financial information is qualified by reference to,
and should be read in conjunction with, the consolidated financial statements
and related notes of the Company and "Management's Discussion and Analysis of
Financial Condition and Results of Operations" contained elsewhere herein.  The
selected financial information presented below is not necessarily indicative of
the future results of operations or financial performance of the Company.  The
selected financial information as of and for the years ended December 31, 1997
and 1996, is derived from the Company's audited financial statements which are
presented elsewhere in this Prospectus.  The selected financial information
presented as of and for the six months ended June 30, 1998 and 1997, is
derived from the unaudited financial statements of the Company which are
presented elsewhere in this Prospectus.  In the opinion of management of the
Company, the unaudited financial statements include all adjustments, consisting
only of normal recurring adjustments, necessary for a fair presentation of such
information.
    
   
<TABLE>
<CAPTION>
                                                        FOR THE YEAR ENDED      FOR THE SIX MONTHS ENDED
                                                            DECEMBER 31 ,               JUNE 30,
                                                     -------------------------  --------------------------
                                                        1997           1996          1998         1997
                                                     -----------    ----------    ----------    ----------
STATEMENTS OF OPERATIONS DATA:
<S>                                                  <C>            <C>           <C>           <C>
Revenues. . . . . . . . . . . . . . . . . . . . .    $12,836,953    $8,726,799    $ 7,659,764   $ 6,010,982  
Cost of laboratory services . . . . . . . . . . .      5,828,665     3,816,114      3,462,846     2,659,857  
                                                     -----------    ----------    -----------   -----------  
    Gross profit. . . . . . . . . . . . . . . . .      7,008,288     4,910,685      4,196,918     3,351,125  
Operating expenses:                                                                                          
  Selling expenses. . . . . . . . . . . . . . . .        654,284       601,945        424,932       292,095  
  General and administrative. . . . . . . . . . .      3,230,117     2,442,602      1,786,052     1,599,080  
  Depreciation and amortization . . . . . . . . .        690,268       504,123        392,908       317,172  
  Asset impairment. . . . . . . . . . . . . . . .           --         124,531            --            --   
                                                     -----------    ----------    -----------   -----------  
    Total operating expenses. . . . . . . . . . .      4,574,669     3,673,201      2,603,892     2,208,347  
                                                     -----------    ----------    -----------   -----------  
Other income (expense):                                                                                      
  Interest expense. . . . . . . . . . . . . . . .       (230,433)      (67,185)       (98,438)      (90,484) 
  Interest income . . . . . . . . . . . . . . . .         78,035        41,208         77,823        19,493  
  Other income. . . . . . . . . . . . . . . . . .          1,146         4,169         52,487            72  
                                                     -----------    ----------    -----------   -----------  
    Total other (expense) income. . . . . . . . .       (151,252)      (21,808)        31,872       (70,919) 
                                                     -----------    ----------    -----------   -----------  
    Income from operations before income taxes. .      2,282,367     1,215,676      1,624,898     1,071,859  
Income tax expense. . . . . . . . . . . . . . . .        953,264       527,171        670,592       449,243  
                                                     -----------    ----------    -----------   -----------  
    Income from continuing operations . . . . . .      1,329,103       688,505        954,306       622,616  
Discontinued Operations:
  Loss from operations of discontinued clinical
    business, net of tax benefit. . . . . . . . .           --        (500,636)          --            --
  Loss on disposal of clinical business, net of                                  
   tax benefit. . . . . . . . . . . . . . . . . .           --        (773,580)          --            --
                                                     -----------    ----------     ----------    ----------
Net income (loss) . . . . . . . . . . . . . . . .     $1,329,103     $(585,711)      $954,306      $622,616
                                                     -----------    ----------     ----------    ----------
                                                     -----------    ----------     ----------    ----------
Basic earnings per common share:                                                 
    Weighted average number of common stock                                      
    shares outstanding. . . . . . . . . . . . . .      3,693,146     3,309,594      5,018,523     3,313,405
                                                     -----------    ----------     ----------    ----------
                                                     -----------    ----------     ----------    ----------
    Continuing operations . . . . . . . . . . . .           $.36          $.21           $.19          $.19
    Discontinued operation. . . . . . . . . . . .           --            (.39)          --            --  
                                                     -----------    ----------     ----------    ----------
        Total . . . . . . . . . . . . . . . . . .           $.36         $(.18)          $.19          $.19
                                                     -----------    ----------     ----------    ----------
                                                     -----------    ----------     ----------    ----------
Diluted earnings per common share:                                               
    Weighted average number of common stock                                    
    shares and common stock equivalents 
    outstanding . . . . . . . . . . . . . . . . .      4,325,618     3,954,787      5,381,554     3,834,644
                                                     -----------    ----------     ----------    ----------
                                                     -----------    ----------     ----------    ----------
    Continuing operations . . . . . . . . . . . .           $.31          $.17           $.18          $.16
    Discontinued operation. . . . . . . . . . . .           --            (.32)          --            --  
                                                     -----------    ----------     ----------    ----------
        Total . . . . . . . . . . . . . . . . . .           $.31         $(.15)          $.18          $.16
                                                     -----------    ----------     ----------    ----------
                                                     -----------    ----------     ----------    ----------
CASH FLOW DATA:                                                                  
Net cash provided by operating activities . . . .     $1,654,806      $472,801     $1,049,111    $  928,758
Net cash used in investing activities . . . . . .     (3,644,741)   (1,402,328)      (884,566)   (2,413,655)
</TABLE>
    
                                         -17-
<PAGE>
   
<TABLE>
<CAPTION>
                                                        FOR THE YEAR ENDED       FOR THE SIX MONTHS ENDED 
                                                            DECEMBER 31 ,                 JUNE 30,
                                                     -------------------------  --------------------------
                                                        1997           1996          1998         1997
                                                     -----------    ----------    ----------    ----------
<S>                                                  <C>            <C>           <C>           <C>
Net cash provided by (used in) financing 
  activities. . . . . . . . . . . . . . . . . . .      4,126,193      (754,143)    1,748,685     1,460,673
</TABLE>
<TABLE>
<CAPTION>
                                                            DECEMBER 31,         
                                                      ------------------------    JUNE 30,
                                                         1997          1996         1998   
                                                     -----------   -----------   -----------
<S>                                                  <C>           <C>           <C>
BALANCE SHEET DATA (1):
Current assets. . . . . . . . . . . . . . . . . .    $ 5,702,984   $ 3,194,480   $ 8,028,281
Working capital . . . . . . . . . . . . . . . . .      3,305,983     1,002,712     4,872,894
Total assets. . . . . . . . . . . . . . . . . . .     15,016,580     9,394,808    17,953,038
Current debt obligations. . . . . . . . . . . . .      1,164,854     1,312,650     1,145,605
Long-term debt, net of current portion. . . . . .      2,353,428     1,245,690     1,730,909
Stockholders' equity. . . . . . . . . . . . . . .      9,906,303     5,650,250    12,706,894
</TABLE>
- ------------------------
(1)  Gives no effect to (i) the exercise of stock options and warrants after 
     June 30, 1998, (ii) the exercise of the Jesup & Lamont Group Warrants, 
     (iii) the exercise of the outstanding stock options granted under the 1994 
     Option Plan and the 1997 Option Plan exercisable for the purchase of 
     615,000 shares of Common Stock, and (iv) the exercise of other outstanding 
     stock options and warrants exercisable for the purchase of 178,486 shares 
     of Common Stock.  See "Management--1994 Stock Option Plan" and "--1997 
     Non-Qualified Stock Option Plan," and "Description of Securities--
     Outstanding Stock Options and Other Warrants."

                       MANAGEMENT'S DISCUSSION AND ANALYSIS OF 
                    FINANCIAL CONDITION AND RESULTS OF OPERATIONS

     THE FOLLOWING DISCUSSION SHOULD BE READ IN CONJUNCTION WITH THE FINANCIAL
STATEMENTS AND NOTES THERETO OF  THE COMPANY AND "SELECTED FINANCIAL
INFORMATION" APPEARING ELSEWHERE IN THIS PROSPECTUS.  
                                           
RESULTS OF OPERATIONS

     The following table sets forth selected results of operations for (i) the
fiscal years ended December 31,  1997 and 1996, and (ii) the six months ended
June 30, 1998 and 1997, which are derived from the consolidated financial
statements of the Company appearing elsewhere in this Prospectus. The results of
operations for the years and periods presented are not necessarily indicative of
the Company's future operations.
<TABLE>
<CAPTION>
                                           FOR THE YEAR ENDED DECEMBER 31,              FOR THE SIX MONTHS ENDED JUNE 30,
                                    ---------------------------------------------   ------------------------------------------
                                              1997                   1996                   1998                    1997
                                    ----------------------   --------------------   --------------------   --------------------
                                       AMOUNT      PERCENT     AMOUNT     PERCENT     AMOUNT     PERCENT     AMOUNT     PERCENT
                                     ------------  -------   ----------    -------  ----------   --------  ----------   --------
<S>                                  <C>           <C>       <C>           <C>      <C>          <C>       <C>          <C>    
Revenues. . . . . . . . . . . . . .  $12,836,953    100.0%   $8,726,799    100.0%   $7,659,764    100.0%   $6,010,982    100.0%
Cost of laboratory services . . . .    5,828,665     45.4%    3,816,114     43.7%    3,462,846     45.2%    2,659,857     44.2%
                                     -----------    ------   ----------    ------   ----------    -----    ----------    ----- 
Gross profit. . . . . . . . . . . .    7,008,288     54.6%    4,910,685     56.3%    4,196,918     54.8%    3,351,125     55.8%
                                     -----------    ------   ----------    ------   ----------    -----    ----------    ----- 
Operating expenses:                                                                                                            
  Selling . . . . . . . . . . . . .      654,284      5.0%      601,945      6.9%      424,932      5.6%      292,095      4.9%
  General and administrative. . . .    3,230,117     25.2%    2,442,602     28.0%    1,786,052     23.3%    1,599,080     26.6%
  Depreciation and                                                                                                             
   amortization . . . . . . . . . .      690,268      5.4%      504,123      5.8%      392,908      5.1%      317,172      5.3%
  Asset impairment. . . . . . . . .           --      -- %      124,531      1.4%           --       --            --       -- 
                                  .  -----------    ------   ----------    ------   ----------    -----    ----------    ----- 
Total operating expenses. . . . . .    4,574,669     35.6%    3,673,201     42.1%    2,603,892     34.0%    2,208,347     36.8%
                                     -----------    ------   ----------    ------   ----------    -----    ----------    ----- 
                                       2,433,619     19.0%    1,237,484     14.2%    1,593,026     20.8%    1,142,778     19.0%
                                     -----------    ------   ----------    ------   ----------    ------   ----------    ------
Other income (expense). . . . . . .     (151,252)     1.2%      (21,808)      .3%       31,872      0.4%      (70,919)     1.2%
                                     -----------    ------   ----------    ------   ----------    ------   ----------    ------
Income from continuing
  operations before income 
    taxes . . . . . . . . . . . . .    2,282,367     17.8%    1,215,676     13.9%    1,624,898     21.2%    1,071,859     17.8%
Income tax expense. . . . . . . . .      953,264      7.4%      527,171      6.0%      670,592      8.8%      449,243      7.5%
                                     -----------    ------   ----------    ------   ----------    ------   ----------    ------
Income from continuing 
  operations. . . . . . . . . . . .    1,329,103     10.4%      688,505      7.9%      954,306     12.4%      622,616     10.3%
Discontinued Operations:
  Loss from operations of 
   discontinued clinical business, 
   net of tax benefit . . . . . . .           --      -- %     (500,636)     5.7%           --      -- %           --      -- %
  Loss on disposal of clinical
     business, net of 
     tax benefit. . . . . . . . . .           --      -- %     (773,580)     8.9%           --      -- %           --      -- %
                                     -----------    ------   ----------    ------   ----------    ------   ----------    ------
Net income (loss) . . . . . . . . .  $ 1,329,103     10.4%   $ (585,711)     6.7%     $954,306     12.4%   $  622,616     10.3%
                                     -----------    ------   ----------    ------   ----------    ------   ----------    ------
                                     -----------    ------   ----------    ------   ----------    ------   ----------    ------
Basic earnings per common share:
</TABLE>
    
                                      -18-
<PAGE>
   
<TABLE>
                                           FOR THE YEAR ENDED DECEMBER 31,              FOR THE SIX MONTHS ENDED JUNE 30,
                                    ---------------------------------------------   ------------------------------------------
                                              1997                   1996                   1998                    1997
                                    ----------------------   --------------------   --------------------   --------------------
                                       AMOUNT      PERCENT     AMOUNT     PERCENT     AMOUNT     PERCENT     AMOUNT     PERCENT
                                     ------------  -------   ----------    -------  ----------   --------  ----------   --------
<S>                                  <C>           <C>       <C>           <C>      <C>          <C>       <C>          <C>
    Weighted average number of 
     common stock shares
     outstanding. . . . . . . . . .    3,693,146              3,309,594              5,018,523              3,313,405
                                       -----------            -----------          -----------            -----------
                                       -----------            -----------          -----------            -----------
    Continuing operations . . . . .          .36                    .21                   $.19                   $.19
    Discontinued operation. . . . .           --                   (.39)                    --                     --
                                     -----------            -----------            -----------            -----------
        Total . . . . . . . . . . .         $.36                  $(.18)                  $.19                   $.19
                                     -----------            -----------            -----------            -----------
                                     -----------            -----------            -----------            -----------
Diluted earnings per 
    common share:
    Weighted average number 
     of common stock and common 
     stock equivalents 
     outstanding  . . . . . . . . .    4,325,618              3,954,787              5,381,554              3,834,644
                                     -----------            -----------            -----------            -----------
                                     -----------            -----------            -----------            -----------
    Continuing operations . . . . .          .31                    .17                   $.18                   $.16
    Discontinued operation. . . . .           --                   (.32)                    --                     --
                                     -----------            -----------            -----------            -----------
        Total . . . . . . . . . . .         $.31                  $(.15)                  $.18                   $.16
                                     -----------            -----------            -----------            -----------
                                     -----------            -----------            -----------            -----------
</TABLE>
    
   
     During each of the fiscal years ended December 31, 1997 and 1996, and 
the six months ended June 30, 1998, LSI experienced a 2.0 percent, 4.7 
percent and 3.2 percent decrease in the price per specimen, respectively, 
compared to the preceding fiscal year or the same period in the preceding 
year, principally due to increased price competition amongst providers of 
drug testing services, price per specimen being an important factor in 
obtaining and maintaining customers.  Management of LSI closely monitors its 
price per specimen, the prices of its competitors and the costs of processing 
specimens to remain competitive, as well as profitable.  There can be no 
assurance that the price decline per specimen will not further decline during 
1998 and thereafter.  In the event price stabilization has not occurred, LSI 
will, as it has in the past, take appropriate measures to downsize its drug 
testing personnel and possibly further automate the testing processes and 
employ additional technology to continue profitability from operations, 
although there can be no assurance that such measures will assure 
profitability in the event of substantial price reductions within the short 
term.  During each of the fiscal years ended December 31, 1997 and 1996, and 
the six months ended June 30, 1998, the number of specimens analyzed 
increased 51.6 percent, 34.5 percent and 31.1 percent, respectively, compared 
to the preceding fiscal year ended or the same period in the preceding year. 
    
     In connection with NPLI Acquisition, the Company acquired the clinical
testing and analysis operation conducted by NPLI.  After several attempts to
sell the clinical testing analysis operation of NPLI, the Company discontinued
the clinical testing and analysis operation in the fourth quarter of 1996.  This
resulted in a loss from the discontinued operation of $500,636 (after giving
effect to the associated tax benefit of $257,904) and a loss on disposal of the
clinical business of $773,580 (after giving effect to the associated tax benefit
of $489,420), which resulted in a loss of $.39 per weighted average number of
common shares used to compute basic earnings per share for the fiscal year 
ended December 31, 1996.  Before such discontinued operation, the Company's 
income from continuing operations for the fiscal year ended December 31, 1996 
was $688,505 or $.21 per weighted average number of common shares used to 
compute basic earnings per share.   See "Business--Background--NPLI 
Acquisition." 

     Through its acquisition strategy, management of the Company anticipates,
although there can be no assurance, that the consolidation and assimilation of
the operations associated with the additional companies acquired, if any, will
result in increased testing volume with minimal indirect additional specimen
processing cost, resulting in increased profitability and cash flows.  See
"Business--Growth Strategy."  In the event the Company fails to make
acquisitions which contribute to the profitability, the Company may be required
to reduce general and administrative expenses.
   
COMPARISON OF THREE-MONTH AND SIX-MONTH PERIODS ENDED JUNE 30, 1997 AND 1998

     Revenues increased to $7,659,764 in the six months ended June 30, 1998 
(the "1998 Interim Period"), from $6,010,982 in the six months ended June 30, 
1997 (the "1997 Interim Period"), an increase of 27.4 percent. Revenues 
increased to $4,088,156 in the three months ended June 30, 1998 (the "1998 
Second Quarter"), from $3,423,760 in the three months ended June 30, 1997 
(the "1997 Second Quarter"), and increase of 19.4 percent.  The increase in 
revenues was due to a 31.1 percent and 21.4 percent increase, respectively, 
in the number of specimens analyzed during the 1998 Interim Period as 
compared to the 1997 Interim Period and the 1998 Second Quarter as compared 
to the 1997 Second Quarter, although partially offset by a decrease of 3.2 
percent and 2.4 percent, respectively, in the average price per specimen.  
The increase in number of specimens analyzed was attributable to the 
Accu-Path and HLI Asset Purchases as well as LSI's normal sales and marketing 
efforts.  The decrease in the average price per specimen was principally due 
to increased price competition among providers of drug testing services, 
price per specimen being an important factor in obtaining and maintaining 
clients.

     Cost of revenues increased $802,989 from $2,659,857 in the 1997 Interim 
Period to $3,462,846 in 1998 Interim Period and $313,792 from $1,473,773 in 
the 1997 Second Quarter to $1,787,565 in the 1998 Second Quarter, increases 
of 30.2 percent and 21.3 percent, respectively.  Gross profit on revenues 
decreased as a percentage of revenues from 55.8 percent in the 1997 Interim 
Period to 54.8 percent in 1998 Interim Period and from 57.0 percent in the 
1997 Second Quarter to 56.3 percent in the 1998 Second Quarter.  The decrease 
was primarily due to the decrease in the price per specimen.

     Operating expenses increased from $2,208,347 in the 1997 Interim Period 
to $2,603,892 in the 1998 Interim Period and from $1,239,753 in the 1997 
Second Quarter to $1,362,106 in the 1998 Second Quarter, increases of 17.9 
percent and 9.9 percent respectively, and decreased as a percentage of 
revenues from 36.8 percent to 34.0 percent and 36.2 percent to 33.3 percent, 
respectively.  The increase in operating expenses was attributable to the 
increase in selling expenses of $132,837 for the Interim Period and $68,552 
for the Second Quarter, general and administrative expenses of $186,972 for 
the Interim Period and $29,560 for the Second Quarter and depreciation and 
amortization of $75,736 for the Interim Period and $24,241 for the Second 
Quarter.  The increase in general and administrative expenses was principally 
the result of (i) an increase in executive officer compensation, (ii) the 
addition of several key positions at LSI and (iii) the addition of certain 
overhead costs associated with the PLL, Accu-Path and HLI Asset Purchases.  
The increase in selling expenses was due to several additions to the sales 
force during late 1997 and early 1998, to assist in maintaining forensic 
clients acquired as part of the PLL, Accu-Path and HLI Asset Purchases, as 
well as additional business development in other areas of the United States.  
Depreciation increased due to the renovation of the new laboratory and 
purchase of additional equipment at LSI, while amortization increased due to 
the customer list acquisitions from PLL, Accu-Path and HLI and the 
amortization of the purchase price of such customer lists.
    
                                         -19-
<PAGE>
   
     Income from operations increased from $1,142,788 in the 1997 Interim 
Period to $1,593,026 in the 1998 Interim Period, a 39.4 percent increase, and 
from $710,234 in the 1997 Second Quarter to $938,485 in the 1998 Second 
Quarter, a 32.1 percent increase.  Operating income increased as a percentage 
of revenues from 19.0 percent to 20.8 percent in the Interim Period and from 
20.8 percent to 23.0 percent in the Second Quarter.

     Interest expense increased 8.8 percent from $90,484 in the 1997 Interim 
Period to $98,438 in 1998 Interim Period, but decreased 2.5 percent from 
53,608 in the 1997 Second Quarter to $52,294 in the 1998 Second Quarter.  The 
overall increase in interest expense was due to obtaining bank loans during 
1997 associated with the PLL Asset Purchase and the purchase and renovation 
of the new laboratory building, while partially offset by a decrease late in 
the first quarter of 1998 related to the repayment in full of the note 
payable to MBf USA, Inc.  Interest income increased from $19,493 in the 1997 
Interim Period to $77,823 in the 1998 Interim Period, a 299.2 percent 
increase, and from $7,840 in the 1997 Second Quarter to $40,656 in the 1998 
Second Quarter, a 418.6 percent increase.  These increases were due to 
additional funds on deposit primarily from the exercise of stock warrants 
late in 1997 and the 1998 Private Offering during the second quarter of 1998. 
Other income increased from $72 in the 1997 Interim Period to $52,487 in the 
1998 Interim Period and from ($231) in the 1997 Second Quarter to $12,554 in 
the 1998 Second Quarter. The increase in other income is primarily due to a 
one-time gain realized due to the early payout of the note payable to MBf 
USA, Inc. in addition to the recovery of bad debts previously written off.  
Net income, after provision for income taxes, increased from $622,616 in the 
1997 Interim Period to $954,306 in the 1998 Interim Period, a 53.3 percent 
increase, and from $388,613 in the 1997 Second Quarter to $552,746 in the 
1998 Second Quarter, a 42.2 percent increase.
    

COMPARISON OF FISCAL 1997 AND 1996

     Revenues increased $4,110,154 to $12,836,953 in 1997 from $8,726,799 in
1996, an increase of 47.1 percent.  The increase in revenues was due to a 51.6
percent increase in the number of specimens analyzed during 1997 as compared to
1996, although partially offset by a decrease of two percent in the average
price per specimen.  The increase in number of specimens analyzed was
attributable to the PLL Asset Purchase and Accu-Path Asset Purchase as well as
the obtaining of additional accounts through LSI's normal sales and marketing
efforts.  The decrease in the average price per specimen was principally due to
increased price competition among providers of drug testing services, price per
specimen being the most important factor in obtaining and maintaining clients. 
There can be no assurance that the price per specimen will not further decline
in 1998 which will directly impact profitability.  See "Business--Competition." 
Cost of laboratory services increased $2,012,551 from $3,816,114 in 1996 to
$5,828,665 in 1997, an increase of 52.7 percent.  This increase was primarily
due to the increased volume of specimen testing and increased as a percentage of
revenues by 1.7 percent.  Gross profit on revenues decreased as a percentage of
revenues from 56.3 percent in 1996 to 54.6 percent in 1997.  

     Operating expenses increased $901,468 from $3,673,201 in 1996 to $4,574,669
in 1997, an increase of 24.5 percent, but decreased as a percentage of revenues
from 42.1 percent to 35.6 percent.  The increase in operating expenses was
attributable to the increase in general and administrative expenses of $787,515,
selling expense of $52,339, and depreciation and amortization of $186,145.  The
Company did not recognize an asset impairment in 1997, while during 1996 the
Company recognized an asset impairment of $124,531, which was attributable
primarily 


                                         -20-
<PAGE>

to the write-down, to the estimated fair market value, of LSI's former
laboratory facilities which are held for sale as of the date of this Report. 
The increase in general and administrative expenses was principally due to the
increase in executive officer compensation of LSAI and bonuses for certain key
employees of LSI and increased overhead as a result of the PLL Asset Purchase
and the Accu-Path Asset Purchase.  The increase in selling expenses was due to
the addition of two sales representatives and increased personnel to assist in
maintaining forensic drug testing customers obtained in connection with the PLL
Asset Purchase and the Accu-Path Asset Purchase.  Depreciation increased due to
the acquisition of new laboratory equipment in 1997 and the acquisition and
renovation of LSI laboratory and office facilities, and amortization increased
due to the  amortization of the customer list and goodwill acquired in
connection with the PLL Asset Purchase and the Accu-Path Asset Purchase. 

     Interest expense increased $163,248 from $67,185 in 1996 to $230,433 in 
1997, a 243 percent increase.  The increase in interest expense was the 
result of the effect of a full year of a capital lease agreement, entered 
into in February 1996, for certain laboratory equipment and the increase in 
long-term debt associated with the acquisition and renovation of LSI's 
current laboratory and office facilities, and the PLL Acquisition.  Interest 
income increased from $41,208 in 1996 to $78,035 in 1997, a 89.4 percent 
increase.  The increase resulted from an increase in cash equivalents held 
for investment attributable to cash flows from operations and the net 
proceeds from the issuance of Common Stock in connection with the Warrant 
Redemption Offering.  See "Business--Background--Warrant Redemption 
Offering."  Other income decreased from $4,169 in 1996 to $1,146 during 1997. 
Income from continuing operations, after provision for income taxes, 
increased $640,598 from $688,505 in 1996 to $1,329,103 in 1997,  a 93 percent 
increase.  Income per share of common stock from continuing operations on a 
basic basis was $.36 ($.31 per share on a diluted basis) in 1997, compared to 
net income per share of common stock on a basic basis of $.21 ($.17 per share 
on a diluted basis) in 1996.

     COMPARISON OF FISCAL 1996 AND 1995

     Revenues increased to $8,726,799 in 1996 from $6,925,716 in 1995, an
increase of 26 percent.  The increase in revenues was due to a 34.5 percent
increase in the number of specimens analyzed during 1996 as compared to 1995,
although partially offset by a decrease of 4.7 percent in the average price per
specimen.  The increase in number of specimens analyzed was attributable to the
NPLI Acquisition as well as the obtaining of additional accounts through LSI's
normal sales and marketing efforts.  The decrease in the average price per
specimen was principally due to increased price competition among providers of
drug testing services, price per specimen being the most important factor in
obtaining and maintaining clients.  Cost of laboratory services increased
$569,644 from $3,246,470 in 1995 to $3,816,114 in 1996.  This increase was
primarily due to the increased volume of specimen testing and decreased as a
percentage of revenues by 3.2 percent.  Gross profit on revenues increased as a
percentage of revenues from 53.1 percent in 1995 to 56.3 percent in 1996.

   
     Operating expenses increased from $2,951,415 in 1995 to $3,673,201 in 1996,
an increase of 24.5 percent, but decreased as a percentage of revenues from 42.6
percent to 42.1 percent.  The increase in operating expenses was attributable to
the increase in general and administrative expenses of $285,192, selling expense
of $40,475,  depreciation and amortization of $271,588, and the recognition of
asset impairment of $124,531.  The increase in general and administrative
expenses was principally due to the increase in executive officer compensation
of LSAI and accrued bonuses for certain key employees of LSI.  The increase in
selling expenses was due to the addition of one sales representative and
increased personnel to assist in maintaining forensic drug testing clients and
customers obtained in connection with the NPLI Acquisition, although partially
offset by a reduction in commission expenses.  Depreciation increased due to the
acquisition of new laboratory equipment in February 1996, and amortization
increased due to the  amortization of the customer list and goodwill acquired in
connection with the NPLI Acquisition.  Asset impairment was attributable
principally to the write-down, to the estimated fair market value, of LSI's
former laboratory facilities which are held for sale as of the date of this
Report.
    

     Interest expense increased from $29,651 in 1995 to $67,185 in 1996, a 126.6
percent increase.  The increase in interest expense was the result of a capital
lease agreement for certain laboratory equipment.  Interest income decreased
from $126,939 in 1995 to $41,208 in 1996, a 67.5 percent decrease.  The decrease
resulted from a reduction of cash equivalents held for investment due to the
NPLI Acquisition and other acquisition activities.  Other income decreased from
$323,846 in 1995 to $4,169 in 1996.  The decrease in other income was primarily
due to the 


                                         -21-
<PAGE>

receipt during 1995 of a non-reoccurring settlement of a lawsuit in which LSI
was the plaintiff.  Income from continuing operations, after provision for
income taxes, increased from $674,560 in 1995 to $688,505 in 1996, a 2.1 percent
increase.  Income per share of common stock from continuing operations on a
basic basis was $.21 ($.17 per share on a diluted basis) in 1996, compared to
net income per share of common stock on a basic basis of $.20 ($.17 per share on
a diluted basis) in 1995.

     During the fourth quarter of 1996, the clinical testing and analysis
operation conducted by NPLI was discontinued, which resulted in a loss from
discontinued operation of $500,636 (after giving effect to the associated tax
benefit of $257,904) and a loss on disposal of the clinical business of $773,580
(after giving effect to the associated tax benefit of $489,420), which resulted
in a net loss from continued and discontinued operations of $585,711.  Net loss 
from continued and discontinued operations per share of common stock on a basic
basis was $.18 and $.15 per share of common stock on a diluted basis.

     PRO FORMA EFFECT OF STOCK-BASED COMPENSATION

      The Company has historically used options to retain and compensate its
officers, directors, employees and others.  During 1997, 1996 and 1995, the
Company granted 590,000 stock options for the purchase of the Common Stock of
LSAI to certain officers, directors,  employees and others.  In accordance with
Accounting Principles Board Opinion No. 25, the compensation cost  of such stock
options is not recognized in the consolidated financial statements of the
Company.  The outstanding stock options granted in 1997 had an estimated fair
value at the date of grant of the options of $473,958, utilizing the methodology
prescribed under SFAS No. 123, ACCOUNTING FOR STOCK-BASED COMPENSATION. After
giving effect to the estimated fair value of such options, the Company had net
pro forma income of $1,053,706 ($.29 per common share on a basic basis and $.24
per common share on a diluted basis) for the year ended December 31, 1997, and
had net pro forma loss of $673,516 ($.20 per common share on a basic basis and
$.17 per common share on a diluted basis) for the year ended December 31, 1996.

     YEAR 2000 COMPUTER SYSTEM COMPLIANCE

     The Company has numerous computer systems which were developed employing
two digit year date format rather than four digit date format.  Where date logic
requires the year 2000 or beyond, such data structures may produce inaccurate
results.  Management has implemented a program to comply with year 2000
requirements on a system-by-system basis.  The program includes extensive
systems testing and is expected to be completed in 1998, at which time the
Company's computer systems will be year 2000 compliant.  Each of the systems has
a solution that is potentially unique and often dependent on third-party
software and developers.  A failure of the Company to ensure that its computer
systems are year 2000 compliant could have a material adverse effect on the
Company's operations. 

     ACCOUNTING STANDARDS ISSUED BUT NOT YET ADOPTED

   
     In June 1997, Financial Accounting Standards Board issued Statement of 
Financial Accounting Standards ("SFAS") No. 131, "Disclosures about Segments 
of an Enterprise and Related Information," which modifies segment reporting 
requirements and establishes certain criteria for reporting disclosures 
concerning a company's products and services, geographic areas and major 
customers in annual and interim financial statements.  This statement is 
effective for financial statements of the Company for the year ending 
    
                                         -22-
<PAGE>

December 31, 1998.  Management of the Company believes that adoption of SFAS No.
131 will not have a material effect on the Company's financial statements, other
than possibly the disclosure related to the Company's services, geographic
service area and major customers.  

     QUARTERLY RESULTS OF OPERATIONS

     LSI's operations are affected by seasonal trends to which drug testing
laboratories are generally subject.  In LSI's experience, testing volume tends
to be higher in the second calendar quarter and lower in the winter holiday
season and the beginning of the first calendar quarter primarily due to hiring
patterns which affect pre-employment drug testing.  Because the general and
administrative expenses associated with maintaining and adding to LSI's testing
work force are relatively fixed over the short term, LSI's margins tend to
increase in periods of higher testing volume and decrease in periods of lower
testing volume.  These effects are not always apparent because of the impact and
timing of the startup of new businesses and other factors such as the timing and
amount of price increases or decreases and additional acquisitions. 
Nevertheless, LSI's results of operations for a particular quarter may not be
indicative of the results to be expected during other quarters.

     INCOME TAXES 
   
     The provisions for income taxes from continuing operations on pretax 
income were based on the effective combined federal and state graduated 
corporate income tax rates of approximately 40 percent in the six months 
ended June 30, 1998, 42 percent in 1997 and 43 percent for 1996. The
provisions for income taxes were $670,592, $953,264 and $527,171 for the six 
months ended June 30, 1998 and years ended December 31, 1997 and 1996, 
respectively.
    
LIQUIDITY AND CAPITAL RESOURCES
   
          Net cash provided by operating activities totaled $1,049,111 in the 
six months ended June 30, 1998, and $928,758 in the six months ended June 30, 
1997.  As of June 30, 1998, LSAI had working capital of $4,872,894, compared 
to working capital of $3,305,983, at December 31, 1997.  In the event the 
Company's revenues increase as anticipated by management of the Company, the 
Company's working capital requirements will also increase and such 
requirements may exceed the net cash provided by operating activities and 
require that cash be used in operating activities from sources other than 
operations, including the available cash and cash equivalents (which were 
$4,776,869 at June 30, 1998) and borrowings.  The increase in cash used in 
operations will principally be due to the timing differential between 
Company's payment for materials and services to its suppliers and employee 
work force, and the time at which the Company receives payment from its 
customers.  On June 4, 1998, LABZ completed the offering of 555,222 shares of 
Common Stock for estimated net proceeds of $2,285,600 pursuant to the 1998 
Private Offering.  On July 1, 1998 the Company completed the TLI Asset 
Purchase. The $2.4 million purchase price was paid from the proceeds of the 
1998 Private Offering. See "The Company--Background--1998 Private Offering 
and "--TLI Asset Purchase."
    
FUTURE OPERATIONS AND LIQUIDITY  
   
     In February 1996, LSI entered into a capital lease obligation of 
approximately $650,000 with a vendor for the purchase equipment and certain lab
supplies at a fixed price per drug screen performed.  The minimum monthly amount
payable under the agreement is approximately $59,750, with approximately $13,000
per month allocated to the principal and interest of the capital lease
obligation, and the remaining cost being allocated to the cost of laboratory
supplies.  The agreement resulted in LSI recording approximately $650,000 in
additional equipment, with an equal amount of capital lease obligation recorded
as a long-term debt obligation payable over five years.  As of June 30, 1998,
the outstanding capital lease obligation was $379,898. 

     On January 9, 1997, LSI entered in to a loan agreement with Hibernia
National Bank (the "Bank") which established a credit facility comprised of a
five-year term loan of up to $1,700,000 and a one-year revolving loan of
$250,000 to be used for the PLL Asset Purchase.  On August 25, 1998, the 
one-year revolving loan was renewed for two-years and increased to 
$1,000,000. As of June 30, 1998, the outstanding principal amount of the 
five-year term loan was $1,218,333. Advances on the revolving loan are based 
upon LSI maintaining certain ratios and compliance with the covenants of the 
loan agreement and LSI's liquid assets including its accounts receivable.  
The outstanding principal amount of the revolving loan bears interest at the 
Citibank, N.A. rate (which was nine percent at June 30, 1998) plus up to one 
percent and the term 
loan bears interest at such rate plus one-half percent.  The loans are 
secured by the accounts receivable, intangible assets, and by a mortgage on 
the building owned by LSI, and is guaranteed by 
    
                                         -23-
<PAGE>
   
LSAI.  The loan agreement contains various covenants, including certain
financial ratios, all of which the Company was in full compliance with as of 
June 30, 1998.

     On July 2, 1997, LSI entered into a loan agreement with the bank for a term
loan in the principal amount of $720,000, to refinance the building in which
LSI's laboratory and offices are located.  This loan is payable in 36 monthly
installments of approximately $9,800, followed by 23 monthly installments of
approximately $6,000, with a final payment becoming due on July 2, 2002, of
approximately $484,700.  The outstanding principal balance of this loan bears
interest at a rate of 8.65 percent per annum.  As of June 30, 1998, the
outstanding principal balance amount of such loan was approximately $668,208.

     On December 1, 1997, the Company completed the Accu-Path Asset Purchase
pursuant to an Asset Purchase Agreement.  Pursuant to the Asset Purchase
Agreement, the Company  agreed to pay 180 percent of the forensic testing
revenues during the period from June through November, 1998 as follows: (i)
$100,000 paid at closing, (ii) an amount equal to 50 percent of the forensic
testing revenues for each of the first three quarters, to be paid 30 days
following the end of each quarter, and (iii) the balance to be paid in four
quarterly installments with the first payment due March 1, 1999.  The estimated
gross revenues attributable to this customer base was approximately $360,000. 
As of June 30, 1998, total payments of $90,151 have been recorded for the 
first two quarterly installments related to the Accu-Path Asset Purchase.

     On May 1, 1998, the Company acquired from HLI, certain intangible assets
pursuant to an Asset Purchase Agreement dated April 13, 1998 (the "HLI Asset
Purchase").  Pursuant to the HLI Asset Purchase the Company (i) paid $500,000 at
closing, (ii) assumed the obligations of HLI under a certain capital lease,
dated November 11, 1997, which requires 60 monthly base payments of $6,137, and
(iii) is required to make a final payment, on or before, June 1, 1999, in an
amount equal to 100 percent of the gross revenues directly attributable to each
customer comprising the customer base of HLI for the year ended April 30, 1999,
exceeding $533,855.  The estimated gross revenues attributable to the customer
base, for the year ended December 31, 1997, was approximately $960,000.  As of
June 30, 1998, no installment payments have been made related to the HLI Asset
Purchase; however, an account receivable of $33,855 owed by HLI to LSI was 
offset against the installment obligation.

     On June 26, 1998, 480,000 stock options were exercised by certain 
officers of the Company.  Pursuant to the 1994 Option Plan and 1997 Option 
Plan and the terms of the exercised options, the exercise price of the 
options and the payroll taxes associated with the exercise of the options 
were paid to the Company in the form of previously issued fully mature shares 
of Common Stock of the Company.  As a result of the exercise, 105,906 
additional shares of Common Stock were issued on June 26, 1998, and the 
Company paid approximately $478,962 in related payroll taxes on July 16, 
1998.  The payroll taxes were accrued as part of the payroll tax liability on 
the balance sheet as of June 30, 1998.

     On July 1, 1998, the Company completed the TLI Asset Purchase.  In 
connection with the TLI Asset Purchase, the Company paid $2,400,000 at 
closing.  The purchase price of the acquired customer list was recorded as an 
intangible asset, which is being amortized over 15 years.  See "The 
Company--Background--TLI Asset Purchase."
    
   
    
     Through its acquisition strategy, management of the Company intends to
continue its growth through the acquisition of drug testing companies and the
assets of such companies, and assimilation of the acquired drug testing
operations and assets with and into LSI, to obtain increased testing volume with
minimal additional specimen processing cost, resulting in increased
profitability and cash flows.  See "Business--Growth Strategy."  Although the
Company will not consummate an acquisition unless, at the time of the
acquisition, it is anticipated that such acquisition will contribute to the
profitability and provide positive cash flows from operations following
consolidation and assimilation of the operations of the acquired company with
those of the Company, there can be no assurance of such profitability and
positive cash flows.  In the event the Company fails to make acquisitions which
contribute to the profitability of the Company and provide positive cash flows
to the Company, LSI and LSAI may be required to reduce general and
administrative expenses, possibly including consolidation of Company operations
into the offices of LSI and reduction of management compensation, and may be
required to utilize borrowings to fund negative cash flows from operations until
such reductions of general and administrative expenses are achieved.
     
     As of the date of this Prospectus, other than as described above, the
Company does not have any significant future capital commitments.  The Company
anticipates that existing cash and cash equivalent balances, short-term
investments and funds to be generated from future operations will be sufficient
to fund operations and budgeted capital expenditures of the Company  through
1998.
   
     FUTURE ASSESSMENT OF RECOVERABILITY AND IMPAIRMENT OF GOODWILL AND CUSTOMER
LIST.  In connection with its various acquisitions (see "The
Company--Background"), the Company recorded goodwill and customer lists, which
are being amortized on a straight-line basis over periods of 15 to 40 years (the
estimated period that the Company will be benefitted by such assets),
respectively.  At June 30, 1998, the unamortized portion of the goodwill and
the 
    
                                         -24-
<PAGE>
   
customer lists was $2,271,859 and $5,217,751, respectively.  The carrying value
and recoverability of unamortized goodwill and customer lists will be
periodically reviewed by management of the Company.  If the facts and
circumstances suggest that the goodwill or customer list may be impaired, the
carrying value of goodwill or customer list will be adjusted which will result
in an immediate charge against income during the period of the adjustment and/or
the length of the remaining amortization period may be shortened, which will
result in an increase in the amount of goodwill or customer list amortization
during the period of adjustment and each period thereafter until fully
amortized.  Once adjusted, there can be no assurance that there will not be
further adjustments for impairment and recoverability in future periods.  Of the
various factors to be considered by management of the Company in determining
goodwill or customer list impairment, the most significant will be (i) losses
from operations, (ii) loss of customers, (iii) developments within the drug
testing industry, including the Company's inability to maintain its market
share, development of drug testing technologies, imposition of additional
regulatory and certification requirements, and (iv) loss or suspension for an
extended period of laboratory certification, especially by SAMHSA.  See
"Business--Certification and Government Regulation."  In the event management of
the Company determines that goodwill or the customer lists have become impaired,
the adjustment for impairment and recoverability will most likely occur during a
period of operations in which the Company has sustained losses or has only
marginal profitability from operations, and the impairment or increased
amortization amount will either increase such losses from operations or further
reduce profitability.
    

                                       BUSINESS

     The Company, through LSI, its wholly-owned subsidiary, owns and operates a 
laboratory providing drug testing services to corporate and institutional
customers seeking to detect and deter the use of illegal drugs.  LSI's
laboratory is certified by the Substance Abuse and Mental Health Services
Administration ("SAMHSA") , a federal agency and regulatory successor to the
National Institute on Drug Abuse ("NIDA"), to conduct drug testing using
procedures required for legal defensibility ("forensic") of test results.  These
procedures provide reliable and accurate test results and a secure
chain-of-custody for each specimen from its collection to the reporting of the
test results.  LSI tests for a number of drugs of abuse, including cocaine,
methamphetamine, heroin, PCP, marijuana and alcohol, primarily by urinalysis. 
In addition to forensic drug testing, LSI offers a range of services which are
customized to assist customers in implementing cost-effective drug testing
programs.  LSI's high volume customers have enabled it to develop cost-efficient
means of delivering its services while maintaining forensic testing standards.

INDUSTRY BACKGROUND

     The Office of National Drug Control Policy estimates that Americans spend
more than $40 billion a year on illegal drugs.  A NIDA 1990 National Survey
concluded that 12.9 million Americans had used illegal drugs in the one-month
period prior to the survey, including an estimated 10.2 million who had used
marijuana and 1.6 million who had used cocaine.  This study also estimated that
1.6 million Americans had used heroin in their lifetime.  In addition, law
enforcement data indicate that drugs are involved in a majority of the nation's
violent crimes and that more than 60 percent of arrestees in 1990 had illegal
drugs in their bodies.  Government data indicate that drug abuse costs American
business $100 billion annually in lost productivity, increased accidents,
absenteeism, medical claims and employee theft.

     In the 1970s, drug testing was limited largely to criminal justice agencies
and drug treatment programs.  In the 1980s, however, increased awareness of the
drug abuse problem and its consequences led to increased drug testing in the
workplace.  This, in turn, led to litigation which has settled many of the
formerly open legal and constitutional questions on drug testing.  These court
decisions, generally favoring properly implemented drug testing programs, have
reinforced the acceptance of drug testing in the workplace.  In 1986, President
Reagan signed an Executive Order which mandated drug testing for many key
federal employees, and there are now comprehensive federal regulations for drug
testing by many agencies.  In the private sector, the number of the nations 200
largest corporations screening applicants and employees for drug use rose from
three percent to 98 percent from 1983 to 1991, according to the Institute for a
Drug Free Workplace.  Furthermore, the Department of Transportation adopted
additional regulations, which became effective in 1995, that substantially
expanded the former regulations which mandated random drug testing of workers,
especially in such safety-sensitive jobs such as trucking, aviation,
transportation, railroads and 


                                         -25-
<PAGE>

pipelines.  Under these recently adopted regulations, 50 percent of
transportation workers (mass-transit workers, interstate truckers and bus
drivers) are required to be tested annually.  It is expected that under these
additional regulations, 7.5 million workers are required to undergo drug testing
each year, up from 3.5 million in years prior to 1995.  Based upon industry
studies, the Company believes the market for legally defensible ("forensic")
drug testing services was more than $500 million in 1992, and as a result of
expanded mandatory drug testing regulations adopted by the Department of
Transportation, it is estimated that the drug testing market will exceed $625
million in 1997. 

     Historically, the drug testing market has been served by national clinical
laboratory chains, independent national drug testing laboratories and numerous
regional and local laboratories such as LSI.  Thousands of general clinical
laboratories nationwide can conduct non-forensic drug testing.  Over the past 10
years, however, many corporations and government agencies have begun to require
drug testing laboratories to be certified to conduct forensic drug tests and to
offer testing services on a cost-effective basis.  In addition, many of the
largest of these organizations, particularly those in the public sector, utilize
a competitive bidding procedure to select their drug testing laboratories.  The
bidding process for these competitive contracts is increasingly limited to
SAMHSA certified drug testing laboratories, such as LSI's laboratory, which can
demonstrate the ability to meet the service and volume levels specified by the
customers.  As of June 1, 1998, there were  approximately 74 laboratories
certified by SAMHSA.

GROWTH STRATEGY

     The Company's strategy is to become a leading drug testing laboratory
providing legally defensible ("forensic") test results through the acquisition
of additional companies that perform and provide drug testing services and
expansion of its current client base and services.  There are no assurances that
the Company will be able to achieve its expansion strategy or that its expanded
operations will be successful.  The Company's strategy includes the key elements
discussed below.

     ACQUISITIONS.  The Company has and intends to continue the expansion of its
client base and drug testing services through the acquisition of companies and
the assets of companies providing drug testing services compatible with and
comparable to those provided by LSI.  During the last four years, the Company
has completed five acquisitions.  See "The Company--Background."  In connection
with NPLI Acquisition, the Company acquired, in addition to the drug testing
operations, the clinical testing and analysis operation conducted by NPLI. 
After several attempts to sell the clinical testing and analysis operation of
NPLI, the Company discontinued the clinical testing and analysis operation in
the fourth quarter of 1996.  This resulted in a net loss from discontinued
operation of $500,636 and a net loss on disposal of the clinical business of
$773,580.  See "Management's Discussion and Analysis Financial Condition and
Results of Operations--Results of Operations."

     The principal objective of the Company's acquisition strategy is to acquire
companies that, through the consolidation and assimilation of the operations of
drug testing companies acquired with and into the operations of LSI, will result
in increased testing volume with minimal additional specimen processing cost,
resulting in increased profitability and cash flows.  Although the Company will
not consummate an acquisition unless, at the time of the acquisition, it is
anticipated that such acquisition will contribute to the profitability and
provide positive cash flows from operations following consolidation and
assimilation of the operations of the acquired company with those of LSI, there
can be no assurance of such increased profitability and positive cash flows, as
well as operations other than forensic drug testing may be acquired, which may
be discontinued or disposed of at a loss.  In the event the Company fails to
make acquisitions which contribute to the profitability of the Company and
provide positive cash flows to the Company, the Company may be required to
reduce general and administrative expenses, possibly including consolidation of
Company operations into the offices of LSI and reduction of management
compensation, and may be required to utilize borrowings to fund negative cash
flows from operations until such reductions of general and administrative
expenses are achieved.  See "Management's Discussion and Analysis of Financial
Condition and Results of Operations--Future Operations and Liquidity."  

     In selecting companies for acquisition, the various criteria that will be
considered include (i) the ability to consolidate and assimilate the operations
of the acquisition target with and into those of LSI with the objective of 


                                         -26-
<PAGE>

achieving the anticipated increase in profitability and cash flows from
operations, (ii) the ability on a post-acquisition basis to maintain the
acquisition target's client base and market share, (iii) the ability to preserve
the essential marketing personnel of the acquisition target, (iv) the terms of
the acquisition, such as the cash requirements and willingness of the target's
owners to accept equity securities of LABZ, (v) the revenue base of the
acquisition target,  and (vi) the legal and accounting costs of the acquisition.

     Such acquisitions will be completed through the issuance of Common Stock or
Preferred Stock of LABZ, cash acquisitions utilizing available cash and cash
equivalents, borrowings or other sources of equity capital.  The non-specific
nature of the acquisitions makes an estimation of amount to be allocated to
acquisitions from these sources impossible to estimate or determine at the date
of this Prospectus.  LABZ's growth strategy will require expanded customer
services and support, increased personnel, expanded operational and financial
systems and implementation of control procedures.  There can be no assurance
that LABZ will be able to manage expanded operations effectively and
efficiently.  LABZ's acquisitions may involve a number of risks including the
diversion of management's attention to the assimilation of the acquired company,
adverse short-term effects on the Company's results of operations, the
amortization of acquired intangible assets, and the possibility that the
acquired company will not contribute to the Company's profitability and cash
flows as expected, and the acquisition may include business operations, other
than forensic drug testing, the may be discontinued or disposed of at a loss.

     LABZ's shareholders will, in all likelihood, not be afforded the
opportunity to approve the terms of any such acquisitions because the Board of
Directors will, in most cases, have the authority to consummate acquisitions
without shareholder approval.  Shareholders will also not have an opportunity,
prior to consummation of an acquisition, to review the financial statements of
an acquisition candidate, except where shareholder approval is required.  

     EXPANDING ITS CLIENT BASE.  LSI intends to continue to compete aggressively
for clients, with a greater emphasis on potential clients currently served by
competitors.  In this effort, LSI intends to focus in particular on the
institutional and private employers, where LSI believes demand for drug testing
services is the greatest and the average price per specimen historically has
been higher.  LSI also is targeting numerous moderate volume clients which have
yet to implement drug testing programs.

     EMPHASIZING CLIENT SERVICE.  SAMHSA certification requirements have
established a quality baseline for forensic drug testing.  As a result, it has
become increasingly difficult for laboratories to differentiate their drug
testing services on the basis of quality.  LSI has chosen to differentiate
itself by providing drug testing services, customized to address each client's
needs including assisting clients with the development of drug testing programs,
training client personnel, managing specimen collection, arranging for
transportation of specimens to LSI's laboratory, identifying trends in local and
national drug use, interpreting test results and providing expert testimony
concerning challenged test results.  Unlike most of LSI's competitors, LSI
specializes in drug testing, and, through specialization, LSI believes that its
customer services equal or exceed those provided by its competitors.

     IMPROVING OPERATING EFFICIENCIES.  LSI believes that price continues to be
an important factor in obtaining new clients and maintaining current clients. 
LSI intends to continue focusing on being a low-cost provider by improving the
efficiency of both its laboratory operations and customer services.  Achievement
of improved efficiency is primarily a function of increased specimen testing
volume.  Increased specimen testing volume reduces the cost per specimen tested
because of the somewhat fixed nature of general and administrative costs and
permits LSI to obtain volume purchase price concessions from its vendors which
also lower the direct cost per specimen tested.  See "Management's Discussion
and Analysis of Financial Condition and Results of Operations--Results of
Operations."

DRUG TESTING OPERATIONS

     The essential elements of legally defensible (forensic) drug testing are a
secure chain-of-custody for each specimen from its collection to the reporting
of test results, and accurate and reliable testing in which a second independent
test is performed to confirm each positive test result.  LSI carefully controls
each step of the testing process by following detailed written procedures and by
using the specific forensic testing methods required for legal defensibility of
results.  LSI tests for drugs of abuse, including cocaine, methamphetamine,
heroin, PCP, marijuana 


                                         -27-
<PAGE>

and alcohol, primarily by urinalysis.  LSI performs all testing at its
laboratory in Gretna, Louisiana which operates 24 hours per day, six days per
week.  The steps in LSI's forensic drug testing process include those discussed
below.

     COLLECTION AND TRANSPORTATION.  Forensic drug testing begins with specimen
collection conducted under carefully controlled conditions.  Once a donor has
provided a specimen which consists of two specimen bottles, each  specimen is
assigned a unique specimen identification number.  A bar-coded or numbered label
with this specimen identification number is affixed to each specimen bottle as a
tamper-proof seal.  The donor is then required to sign a statement on a
chain-of-custody form which is bar-coded or numbered to match the specimen
bottles.  The donor certifies that the urine in the bottles belongs to the
donor, that the bottles were sealed and labeled in the donor's presence and that
the identification number on the bottles matches the number on the form.  The
collector also signs the form to certify the integrity of the collection process
and then prepares the specimen for shipment to LSI's laboratory, together with a
signed chain-of-custody form, which are delivered to LSI by overnight or same
day courier or by U.S. mail.

     RECEIVING AND ACCESSIONING.  LSI receives specimens in its restricted
accessioning rooms, where they are inspected for tampering and checked for
proper chain-of-custody documentation.  The unique specimen identification
number is entered into the laboratory computer which automatically orders the
proper screening and confirmation testing and directs the reporting of test
results.  A small portion, or aliquot, of the specimen is then poured from one
of the specimen bottles and prepared for screening.  The specimen bottle is
resealed with a tamper-proof seal and  placed in locked cold storage for
approximately 12 months.

     SCREENING.  Each specimen submitted to LSI is screened for the presence of
the drugs specified by the client.  During 1997, LSI performed more than
5,700,000 screening tests on more than 68,000 specimens per month to determine
the presence of drugs.  In conducting these tests, LSI employs several different
screening methods using automated analyzers and procedures which provide rapid,
reliable screening of large numbers of specimens.

     CONFIRMATION TESTING.  Specimens that screen negative are reported to the
client without further testing.  Specimens that screen positive are confirmed by
testing a separate portion or aliquot using a different and independent
technology from that used for initial screening.  The confirmation technologies
employed by LSI include those required by SAMHSA.

     QUALITY ASSURANCE AND CONTROL.  LSI carefully monitors the accuracy and
reliability of its test results by internal and external quality assurance and
control programs.  LSI's staff evaluates laboratory performance by inserting
"open" and "blind" quality control samples into each batch of client specimens
during both screening and confirmation testing.  An "open" sample is a urine
specimen sample containing known quantities of one or more drugs of which the
testing operator may have been informed contains drugs, but is not made aware of
the kind and quantity of drugs contained in the sample.  A "blind" sample is a
urine specimen sample containing unknown quantities and kinds of drugs and which
is indistinguishable from other specimen samples contained within a testing
batch of samples.  All specimens in a testing batch are retested if the results
obtained for these control samples are not within specified limits.  In
addition, LSI is subject to frequent proficiency testing by various certifying
bodies which send their own open and blind samples to the laboratory.  

     LSI's laboratory is certified by SAMHSA, the College of American Pathology
("CAP"), as well as eight states and local jurisdictions.  Of the various
certifications, SAMHSA certification is considered the most important by LSI. 
SAMHSA is a federal regulatory agency charged with the responsibility and
authority to license laboratories performing forensic drug testing services for
the Federal Government and its agencies and industries which are federally
regulated, such as the Department of Transportation, Department of Defense, etc.
SAMHSA certifies, inspects, and monitors laboratories that perform forensic drug
testing services under numerous specific mandated guidelines, including (i)
strict adherence to chain-of-custody procedures, (ii) strict security of urine
specimens from collection through testing, (iii) qualifications of technicians
and the procedures employed in testing and the supervision thereof, (iv)
segregation of SAMHSA-related specimens from non-SAMHSA-related specimens, (v)
proficiency testing standards, and (vi) strict adherence to confidential
reporting of test results.


                                         -28-
<PAGE>

     SAMHSA certification is essential to LSI's business because a major number
of its clients are required to use certified laboratories, and many of its
clients look to certification as an indication of reliability and accuracy of
tests.  In order to remain certified, LSI is subject to frequent inspections and
proficiency tests.  Failure to meet any of the numerous certification
requirements, to which LSI is subject, could result in suspension or loss of
certification.  Such suspension or loss of certification could have a material
adverse effect on LSI and LABZ.  In such event, until the suspension is lifted
or certification reobtained, LSI would be required to utilize the drug testing
services of a SAMHSA certified competitor to process SAMHSA-related specimens,
which would result in a substantial reduction in the number of specimens tested
at LSI's laboratory and the price received per specimen received net of such
competitor's cost to LSI of performing such testing services.  In the event such
suspension or loss of certification continued for a substantial period, LSI may
be required to downsize its laboratory personnel and operations and, upon
lifting of the suspension or reobtaining of SAMHSA certification, restaffing of
the laboratory could occur over an extended period,  and client base and market
share may be required to be reestablished, all at substantial cost and expense
to LSI.

     DATA REVIEW.  Each test result, whether negative or positive, undergoes
four independent levels of review before being reported.  A result is first
reviewed by the laboratory analyst conducting the test.  Following the analyst's
review, the screening or confirmation laboratory supervisor reviews the result. 
Next, a quality assurance and control technician reviews the result.  Finally,
the test result, including all chain-of-custody and testing documentation, is
reviewed by a certifying scientist.  It is only after all of these reviews have
been successfully completed and all documentation is in order that the
certifying scientist signs and releases a test result.

     REPORTING OF RESULTS.  LSI transmits an increasing number of its test
results electronically through a secured national communications network.  This
network immediately encrypts and transmits each test result from the laboratory
computer to the client's personal computer or secure fax machine as soon as it
has been released by the certifying scientist.  Using this network, LSI
routinely reports results for specimens that screen negative within 24 hours of
receipt in the laboratory and within 48 hours for specimens that require
confirmation.  Other clients receive test results via overnight courier or U.S.
mail.

CONTRACTUAL ARRANGEMENTS

     Most large drug testing clients, including the majority of public employers
and criminal justice agencies, use a formal competitive bid process in which the
potential client provides a detailed specification of the drug testing services
it requires.  While price is an important factor, in most cases these
organizations are not required to accept the lowest bid, but rather may choose
the winning bidder on the basis of technical superiority and client service. 
LSI has previously obtained contracts through biding and procurement procedures
and will continue to attempt to obtain such contracts through competitive
bidding.  Such contracts are typically long-term, but are also subject to
termination on short notice with little or no penalty.

     Other than drug testing services performed pursuant to contracts obtained
through competitive bidding procedures, LSI performs most of its drug testing
services without a formal contract.  In most cases, LSI accepts and tests
specimens for an agreed price which is generally renegotiated periodically. 
Because LSI does not currently have any long-term contracts, which is typical of
high volume clients, LSI is not dependent to any significant degree upon any one
client or contractual relationship with a client, the termination of which would
have a material adverse effect upon LSI.

INSURANCE COVERAGE  
   
     Employees of LSI, like those of all companies that provide drug testing
services dealing with urine analysis specimens, may be exposed to risks of
urine-borne infections, possibly including infection from AIDS and hepatitis, if
appropriate laboratory practices are not followed.  Although no infections of
this type have been reported in LSI's history, no assurance can be provided that
such infections will not occur in the future.  In the ordinary course of its
business, LSI from time to time is sued by individuals who have tested positive
for drugs of abuse.  To date, LSI has not experienced any material liability
related to these claims, although there can be no assurance that LSI will not at
    

                                         -29-
<PAGE>

some time in the future experience significant liability in connection with
these types of claims, in which event, such legal actions could have a material
adverse effect on the Company's financial condition and results of operations.

     LSI maintains various policies of casualty, commercial and worker
compensation insurance.  In addition, LSI maintains professional liability
insurance with limits of $1 million per incident with an aggregate limit of $2
million per incident.  Although the Company presently is covered by malpractice
and general liability insurance, there can be no assurance that the insurance
coverage will provide sufficient funds to satisfy any judgments which could be
entered against LSI in the future or that liability insurance in such amounts
will be available or affordable in the future.  In addition, there can be no
assurance that all of the activities encompassed within the Company's business
are covered under LSI's insurance policies.  The lack of such coverage could
have a material adverse effect on the Company's financial condition and results
of operations.  Moreover, although the Company maintains casualty and business
interruption insurance and has taken what it believes to be adequate safeguards,
the catastrophic loss of the Company's laboratory facility could have a material
adverse effect on the continued growth of the Company in a manner which would
not be compensated fully by insurance. 

COMPETITION

     Drug testing laboratories compete primarily on the basis of technical
superiority, client service and price.  The price per specimen is an important
factor in obtaining and maintaining customers.  See "Management's Discussion and
Analysis of Financial Condition and Results of Operations--Results of
Operations."  The Company believes that LSI competes favorably in each of these
categories.  LSI competes with three types of companies which offer forensic
drug testing services, I.E., national SAMHSA laboratory chains such as
Smith-Kline Beecham Clinical Laboratories and Laboratory Corporation of America,
regional SAMHSA laboratories such as LabOne, Inc. and Clinical Reference Lab and
companies providing on site screening devices.  Many of these competitors have
greater financial resources than the Company.  In addition, some clients and
potential clients of LSI operate their own drug testing facilities, or may
develop such facilities in the future.

CERTIFICATION AND GOVERNMENT REGULATION

     Companies which compete in the forensic drug testing market generally must
be certified by SAMHSA and may be required to have other types of certification
imposed by certain states or clients.  LSI's laboratory is currently certified
by SAMHSA and CAP, as well as eight states and local jurisdictions.  LSI is
subject to frequent inspections by certifying bodies, including two SAMHSA
inspections per year, and is also subject to frequent proficiency testing by
SAMHSA, CAP and other certifying bodies.  Failure to meet certification
requirements could result in suspension or loss of certification.  Certification
is essential to LSI's business because some of its clients are required to use a
certified laboratory, and many of its clients look to certification as an
indication of reliability and accuracy of test results.  With respect to its
operations, LSI considers SAMHSA certification to be the most important of its
various certifications.  In order to obtain SAMHSA certification, a laboratory
must apply for certification, meet certain minimum facility requirements and
then successfully complete a series of proficiency tests, which takes
approximately 12 months to complete at substantial cost and expense. 

     Employee drug testing by federal agencies and certain private employers is
subject to regulation by certain federal agencies.  Legislation currently exists
in a number of states regulating the circumstances under which employers may
test employees and the procedures under which such tests must be conducted.  In
addition, the circumstances under which drug testing can legally be required by
employers is subject to court precedent and judicial review.

OTHER REGULATION  

     The operations of LABZ and LSI are also subject to various federal, state
and local requirements which affect businesses generally, such as taxes, postal
regulations, labor laws, and environment and zoning regulations and ordinances.



                                         -30-
<PAGE>

ENVIRONMENTAL MATTERS

     LSI and consequently the Company is subject to federal, state and local
laws, regulations and policies governing the use, generation, storage, effluent
discharge, handling and disposal of certain materials, chemicals and wastes. 
LSI utilizes the services of an independent third party to dispose of hazardous
material and chemical waste.  The Company believes that the procedures and
methods utilized to dispose of the hazardous waste by such third party comply in
all material respects with all applicable federal, state and local laws,
regulations and policies.  Although since beginning operations in 1978 LSI has
not been required to take any extraordinary action to correct any noncompliance,
there can be no assurance that LSI will not be required to incur significant
costs to comply with environmental and health and safety regulations in the
future.  During 1997, LSI incurred $2,957 costs in compliance with the
applicable federal, state and local laws, regulations and policies governing the
use, generation, storage, effluent discharge, handling and disposal of certain
materials, chemicals and wastes. 

     LSI's drug testing activities involve the controlled use of certain
hazardous materials and chemicals, including possibly the testing of infectious
urine specimens.  LSI believes that it has adequately warned employees of
potential risks associated with working at LSI and has provided a workplace safe
from hazard, as required by the Occupational Safety and Health Administration
and certain Louisiana laws.  Although LSI believes that its safety procedures
for handling and disposing of such materials and chemicals comply with the
standards prescribed by federal, state and local laws and regulations, the risk
of accidental contamination or injury from these materials cannot be eliminated.
In the event of any such accident, LSI and consequently the Company could be
held liable for any damages that result and any such liability could exceed any
applicable insurance coverage and the financial resources of the Company. 

EMPLOYEES
   
     As of July 31, 1998, LABZ had three full-time employees, and LSI had 
approximately 110 full-time and 40 part-time employees, none of which are 
represented by a labor organization.  LABZ considers its and LSI's relations 
with their employees to be good.
    
PROPERTIES

     LABZ maintains its executive office in approximately 1800 square feet at
Suite 810, 101 Park Avenue,  Oklahoma City, Oklahoma 73102.  The office premises
are occupied under a long-term lease which expires August 31, 2000, and the
monthly rental payment is $1,685.  LABZ considers such space to be adequate for
its current needs.
  
     LSI's executive offices and laboratory are located in approximately 20,000
square feet at 1111 Newton Street, Gretna Louisiana 70053, in a building owned
by LSI.  The building was acquired in December 1996 and remodeling was completed
in June 1997 at an estimated aggregate cost of $890,000.  The Company believes
that, with the acquisition of the building, the new location of  the offices and
laboratory will be adequate for the current and anticipated future needs of LSI.
In addition, LSI's owns and holds for sale a 7,390 square foot building located
at 113 Jarrell Drive, Belle Chasse, Louisiana, in which the laboratory and
executive offices of LSI were formerly located.

     In connection with the PLL Asset Purchase (see "The Company--Background--
PLL Asset Purchase"), the Company assumed the obligations of Pathology 
Laboratories Limited ("PLL") under a certain Lease between Edith Schlien and 
PLL, dated September 16, 1996, covering  approximately 2,500 square feet of 
office space located in Greenville, South Carolina.  This lease requires 
monthly base rental payments of $2,083, and will expire on September 16, 1999.

LITIGATION
  
     LABZ does not have any pending litigation.  In the ordinary course of its
business, LSI from time to time is sued by individuals who have tested positive
for drugs of abuse.  To date, LSI has not experienced any material liability
related to these claims, although there can be no assurance that LSI will not at
some time in the future experience significant liability in connection with
these types of claims.  Based upon the prior successful defense of similar-type
litigation, management believes LSI has valid defenses to the plaintiffs' claims
in all pending litigation, and LSI intends to vigorously defend itself in such
litigation.  LSI is not currently defendant parties in any legal proceedings
other than routine litigation that is incidental to the business of LSI, and
management of LSI believes the outcome of 


                                         -31-
<PAGE>

such legal proceedings will not have a material adverse effect upon the results
of operations or financial condition of LSI.  Furthermore, management of LSI
believes that the liability insurance coverage is adequate with respect to the
pending litigation and, in general, for the business of LSI.  


                                      MANAGEMENT

DIRECTORS AND EXECUTIVE OFFICERS

     The following table sets forth certain information with respect to each
executive officer and director of LABZ and LSI.  Directors are generally elected
at the annual shareholders' meeting and hold office until the next annual
shareholders' meeting and until their successors are elected and qualified. 
Executive officers are elected by the Board of Directors and serve at its
discretion.  LABZ's Bylaws authorize the Board of Directors to be constituted of
not less than one and such number as the Board of Directors may from time to
time determine by resolution or election.  The Board currently consists of six
members.
   
<TABLE>
<CAPTION>
                 NAME                                 AGE                 POSITION WITH LABZ              POSITION WITH LSI AND NPLI
- ------------------------------------                 ---            ------------------------------- -------------------------------
<S>                                                  <C>            <C>                             <C>

John Simonelli. . . . . . . . . . . . . . . . . . .   51            Chairman of the Board, Chief
                                                                    Executive Officer, Secretary,
                                                                    and Director
                                                           
Larry E. Howell.  . . . . . . . . . . . . . . . . .   51            President and Chief Operating   Vice President and Director
                                                                    Officer, and Director 
                                                           
Arthur R. Peterson, Jr. . . . . . . . . . . . . . .   52            Treasurer and Director          President and Chief Executive
                                                                                                    Officer, and Director
                                                           
Robert A. Gardebled, Jr.  . . . . . . . . . . . . .   33            Director                        Controller, Secretary and
                                                                                                    Director
                                                           
Jerome P. Welch . . . . . . . . . . . . . . . . . .   60            Director                        --
                                                           
Michael E. Dunn . . . . . . . . . . . . . . . . . .   52            Director                        --
</TABLE>
    

     The executive officers of LSI devote their full-time to LSI's business,
while Messrs. Simonelli and Howell  devote such time to the business and affairs
of LABZ as may be required, but not less than 50 percent of their time is and
will continue to be devoted to the business and affairs of LABZ.

     The following is a brief description of the business background of the
executive officers and directors of LABZ:

     JOHN SIMONELLI is Chairman of the Board, Chief Executive Officer, Secretary
and a Director of LABZ. Mr. Simonelli served as a Director, Chief Executive
Officer and Secretary of Vantage Capital Resources, Inc. from March 1996 until
its merger with Applied Intelligence Group, Inc. and thereafter served as a
Director and Vice President of Applied Intelligence Group, Inc. until October
14, 1996.  He served as Chairman of the Board and Chief Executive Officer of MBf
USA, Inc. (formerly American Drug Screens, Inc.), a publicly-held company
engaged in the medical products and services industry, from February 1988
through June 1992.  He served as Chief Executive Officer of Unico, Inc.
(formerly CMS Advertising, Inc.), a publicly-held company engaged in the
franchising of cooperative direct mail advertising businesses, from June 1986 to
June 1988.  From July 1981 through June 1985, he served in various capacities,
including President and Director, with Moto Photo, Inc., a publicly-held company
engaged in the business of franchising one-hour, photo development laboratories.
Mr. Simonelli served as President and CEO, from May 1985 until November 1985,
and a Director, from May 1985 through 1988, of TM Communications, Inc. (formerly
Video Image, Inc. and TM Century, Inc.), a publicly-held company engaged in
radio broadcasting and corporate communications.

     LARRY E. HOWELL is President and Chief Operating Officer, and a Director of
LABZ.  Mr. Howell served as a Director, President and Treasurer of Vantage
Capital Resources, Inc. from March 1996 until its merger with Applied
Intelligence Group, Inc. and thereafter served as a Director and Vice President
of Applied Intelligence Group, Inc. until October 14, 1996.   He served as
President and Chief Operating Officer of MBf USA, Inc. (formerly American Drug 


                                         -32-
<PAGE>

Screens, Inc.), a publicly-held company engaged in the medical products and
services industry, from February 1988 through June 1992.  From June 1986 to
April 1988, Mr. Howell served first as Vice President and than as President and
Chief Operating Officer of Unico, Inc. (formerly CMS Advertising, Inc.), a
publicly-held company engaged in the franchising of cooperative direct mail
advertising businesses.  Since January 1982, Mr. Howell as the sole proprietor
of Howell and Associates, Inc. provides consulting services principally related
to corporate acquisitions and mergers.

     ARTHUR R. PETERSON, JR. was elected Treasurer and a Director of LABZ in
July 1994.  Mr. Peterson founded LSI in 1978 and served as its President and
Chief Executive Officer and a Director from inception.  From March 1989 until
April 1994, he served as a Director of MBf USA, Inc. (formerly American Drug
Screens, Inc.), a publicly held company in the medical products and services
industry and former parent of LSI.  Prior to 1978, Mr. Peterson was Chairman of
the Board and Chief Executive Officer of Clinical Laboratories of La., Inc., a
company he founded which served the medical community in clinical studies.  

     ROBERT A. GARDEBLED, JR. was elected a Director of LABZ in July 1994. 
Since July 1989, he has served as an assistant to the President and was elected
Controller of LSI and in connection with the LSI Acquisition, he was elected
Secretary of LSI.  From July 1991 until April 1994, Mr. Gardebled served as a
Director of MBf USA, Inc. (formerly American Drug Screens, Inc.), a publicly
held company in the medical products and services industry and former parent of
LSI.  Prior to joining LSI, he was a Production Manager for Halter Yachts, Inc.,
a Louisiana ship building company.

     JEROME P. WELCH was elected a Director of LABZ on August 26, 1994.  Mr.
Welch is President of Prospect Publishers, Inc., a publisher of literary
hardback anthologies and newsletters.  From May 1990 through June 1992, he
served as a Director and in July 1990 was elected Secretary of MBf USA, Inc.
(formerly American Drug Screens, Inc.), a publicly-held company engaged in the
medical products and services industry.  From July 1988 to January 1990, Mr.
Welch served as President of Simon & Schuster Supplementary Publishers, a
subsidiary of Paramount Communications, Inc. and was Senior Vice President and
Publisher of McGraw Hill Educational Publishing from July 1987 to July 1988.

     MICHAEL E. DUNN was elected a Director of LABZ on August 26, 1994.  Since
April 1980 to January 1995, he was a member, shareholder and director of the law
firm of Zrenda Dunn & Swan, A Professional Corporation (formerly Bright Zrenda &
Dunn), in Oklahoma City, Oklahoma,  and President from April 1992 until January
1995.  Mr. Dunn has been a member, shareholder and the President of Dunn & Swan,
A Professional Corporation, since February 28, 1995.  He has been the owner of
the Woodlake Racquet Club, a recreational athletic club, since 1981.  Mr. Dunn
was graduated from the University of Oklahoma College of Law in 1972, and holds
a Bachelor of Science in Accounting and pursued graduate studies at the
University of Oklahoma.

EXECUTIVE COMPENSATION

     The following table sets forth certain information with respect to the
total cash compensation, paid or accrued, of the President and Chief Executive
Officer of LABZ and each of the executive officers that during 1996 received
compensation in excess of $100,000.

                             OFFICER COMPENSATION TABLE 
<TABLE>
<CAPTION>
 


                                                                                                 ANNUAL COMPENSATION                
                                                                                      ---------------------------------------------
                                                                                                                       ALL OTHER    
NAME AND PRINCIPAL POSITION                                     YEAR                SALARY(1)          BONUS(2)     COMPENSATION(3)
- ---------------------------                                     ----                ---------          --------     ---------------
<S>                                                             <C>                 <C>                <C>          <C>      
John Simonelli  . . . . . . . . . . . . . . . . . . . . . . . . 1997  . . . .        $112,500          $72,000            $13,088  
   Chief Executive Officer of LABZ                              1996  . . . .         100,000              --              12,600  
                                                                1995  . . . .          75,000              --              12,000  

Larry E. Howell . . . . . . . . . . . . . . . . . . . . . . . . 1997  . . . .        $112,500          $72,000            $14,501  
   President and Chief Operating Officer of LABZ                1996  . . . .         100,000              --              14,100  
                                                                1995  . . . .          75,000              --              12,000  

Arthur R. Peterson, Jr. . . . . . . . . . . . . . . . . . . . . 1997  . . . .        $125,000         $122,000            $22,124  
  Treasurer of LABZ and Chief Executive                         1996  . . . .         120,133           50,000             21,700  
    Officer of LSI                                              1995  . . . .         100,000           76,956             16,000  

</TABLE>

- ------------------------


(1)  Dollar value of base salary (both cash and non-cash) earned during the
     year.


                                         -33-
<PAGE>

(2)  Dollar value of bonus (both cash and non-cash) earned during the year.
(3)  The amounts reflected are for an automobile allowance and life and
     disability insurance premiums paid by the Company.

AGGREGATE OPTION GRANTS AND EXERCISES IN 1997 AND YEAR-END OPTION VALUES

     STOCK OPTIONS AND OPTION VALUES.  The following table sets forth
information related to options granted to the executive officers named in the
Officer Compensation Table during 1997.

<TABLE>
<CAPTION>
 

                                                           INDIVIDUAL GRANTS(1)                       POTENTIAL REALIZABLE VALUE AT
                                   ------------------------------------------------------------------     ASSUMED RATES OF STOCK
                                                 PERCENT OF TOTAL                                           PRICE APPRECIATION
                                     NUMBER      OPTIONS GRANTED   EXERCISE OR                               FOR OPTION TERM(2)
                                   OF OPTIONS    TO EMPLOYEES IN   BASE PRICE                             -------------------------
NAME                                GRANTED           1997          PER SHARE       EXPIRATION DATE       FIVE PERCENT  TEN PERCENT
- ----                               ----------    ----------------   -----------   -------------------     ------------  -----------
<S>                                <C>          <C>                <C>            <C>                     <C>           <C>
John Simonelli................        100,000          29.4%           $3.18          October 1, 2007         $517,988     $824,810
Larry E. Howell...............        100,000          29.4%           $3.18          October 1, 2007         $517,988     $824,810
Arthur R. Peterson, Jr........        100,000          29.4%           $3.18          October 1, 2007         $517,988     $824,810
</TABLE>
 

- ------------------------
(1)  On March 28, 1997, the Company issued to the holders of options previously
     granted under the Laboratory Specialists of America, Inc. 1994 Stock Option
     Plan (the "1994 Stock Option Plan") options in replacement and modification
     of the terms of options previously granted under the 1994 Option Plan in
     1995 and 1996.  Each of the named executive officers received 60,000
     replacement-modified options, each exercisable for the purchase of one
     share of Common Stock for $2.00 on or before March 28, 2007.  Such
     replacement-modified options, for purposes of this table have been
     considered granted in 1995 and 1996 and not as having been  granted in
     1997.  If such options were considered granted in 1997, with respect to
     each named executive officer, such options would have potential realizable
     value, assuming five and 10 percent price appreciation, of $325,779 and
     $518,748, respectively.
(2)  The potential realizable value portion of the foregoing table illustrates
     the value that might be realized upon exercise of the options immediately
     prior to the expiration of their term, assuming the specified compound
     rates of appreciation of LABZ's Common Stock over the term of the options. 
     These amounts do not take into consideration provisions restricting
     transferability and represent certain assumed rates of appreciation only. 
     Actual gains on stock option exercises are dependent on the future
     performance of LABZ's Common Stock and overall stock market conditions. 
     There can be no assurance that the potential values reflected in this table
     will be achieved.  All amounts have been rounded to the nearest whole
     dollar amount.

     AGGREGATE STOCK OPTION EXERCISE AND YEAR-END AND OPTION VALUES.  The
following table sets forth information related to the number and value of
options held by the named executive officers at the end of 1997.  During 1997,
there were no options to purchase LABZ's Common Stock exercised by the named
executive officers.

<TABLE>
<CAPTION>
 
                                                         NUMBER OF OPTIONS                 VALUE OF UNEXERCISED IN-THE-MONEY
                                                      AS OF DECEMBER 31, 1997              OPTIONS AS OF DECEMBER 31, 1997(1)
                                               -------------------------------------       -----------------------------------
NAME                                           EXERCISABLE             UNEXERCISABLE       EXERCISABLE          UNEXERCISABLE
- ----                                           -----------             -------------       -----------          -------------
<S>                                            <C>                     <C>                 <C>                  <C>
John Simonelli..............................        60,000                   100,000          $157,800               $145,000
Larry E. Howell.............................        60,000                   100,000           157,800                145,000
Arthur R. Peterson, Jr......................        60,000                   100,000           157,800                145,000
</TABLE>
 

- ------------------------
(1)  The closing sale price of the Common Stock as quoted on Nasdaq SmallCap
     Market on December 31, 1997, was $4.63.  Value is calculated on the basis
     of the difference between the option exercise price and $4.63  multiplied
     by the number of shares of Common Stock underlying the option. 

COMPENSATION OF DIRECTORS

     The directors of LABZ that are employees of LABZ or LSI are not currently
compensated for attending meetings of directors and committees of the Board of
Directors, but are reimbursed out-of-pocket expenses.  The compensation of
non-employee directors has not been determined by the Board of Directors, but
non-employee 


                                         -34-
<PAGE>

directors are reimbursed out-of-pocket expenses incurred in attending meetings
of directors and committees on which they serve.  During 1997, the Board of
Directors of LABZ held one meeting, at which all directors were present in
person or participated by telephonic communications, except Michael E. Dunn. 
The directors of LABZ did not receive any compensation nor was any compensation
accrued during 1997.

EMPLOYMENT ARRANGEMENTS
   
     LABZ has employment agreements with Messrs. Simonelli and Howell, which
were amended and restated on July 16, 1998, each of which provides, among
other things, (i) a four-year term commencing April 15, 1996, which is
automatically extended an additional year for each year of service under the
agreement, (ii) an annual base salary of $152,500, (iii) bonuses equal to one 
percent of the net income of LSI before income taxes and such other bonuses 
at the discretion of the Board of Directors, but not in excess of 10 percent 
of the net income of LABZ, (iv) eligibility for stock options under LABZ's 
stock option plans, (v) health and disability insurance benefits and life 
insurance, (vi) an automobile allowance, and (vii) benefits consistent with 
similar executive employment agreements.  The agreements require Messrs. 
Simonelli and Howell to devote not less than 50 percent of their time and 
attention to the business and affairs of LABZ.  The agreements also restrict 
the employee's right to participate in other activities outside of LABZ to 
the extent such activities conflict with the employee's ability to perform 
his duties and that would violate his duty and loyalty to LABZ.

     LSI has an employment agreement with Mr. Peterson, which was amended and
restated on July 16, 1998, and which provides, among other things, (i) a
four-year term commencing April 15, 1996, which is automatically extended an
additional year for each year of service under the agreement, (ii) an annual 
base salary of $165,000, (iii) annual bonuses equal to the lesser of $50,000 or
10 percent of the net income of LABZ before provision for income taxes, (iv)
eligibility for stock options under LABZ's stock option plans, (v) health and
disability insurance benefits and life insurance, maintained at the Company's
cost and expense, covering the life of Mr. Peterson in the face amount of
$1,000,000, (vi) an automobile allowance, and (vii) benefits consistent with
similar executive employment agreements.  The agreement requires Mr.  Peterson
to devote his full time and attention to the business and affairs of LSI.   
    
     Furthermore, on November 20, 1997, LSI entered into an Employment Severance
Agreement with Robert A. Gardebled, Jr. which remains in effect during the
period Mr. Gardebled remains employed by LSI.  This agreement obligates LSI to
pay Mr. Gardebled 12 months of compensation in the event of and following his
employment termination by LSI other than for cause (I.E. a good faith
determination by the Board of Directors of LSI of the misconduct or willful and
material breach of the agreement in the performance of services).  Termination
(other than with cause) includes the termination of employment by LSI or Mr.
Gardebled's resignation upon the occurrence of a "change in control."   "Change
in control" generally includes (i) any person or group that becomes the
beneficial owner of shares of LSI (which would include the Common Stock of LABZ)
or of proxies or other rights pertaining to LSI (including LABZ) which carry 25
percent or more of the total number of votes for the election of the Board of
Directors of LSI (including LABZ), (ii) a merger or consolidation, (iii) the
sale or a business combination, lease or disposition of all or substantially all
of the assets of LSI, or (iv) during a 24 month period a majority of  the
members of LSI's Board of Directors cease to constitute a majority of the
members of the Board.

     Each of the employment agreements with the officers of LABZ and LSI may be
terminated by LABZ or LSI in the event the Board of Directors determines in good
faith that the officer is guilty of gross negligence or fraud materially
injurious to LABZ or LSI.

1994 STOCK OPTION PLAN

     LABZ established the Laboratory Specialists of America, Inc. 1994 Stock
Option Plan (the "1994 Stock Option Plan" or the "Plan") in May 1994.  The Plan
was amended and restated on October 30, 1996. 
   
     The Plan provides for the issuance of incentive stock options ("ISO
Options") with or without stock appreciation rights ("SARs") and nonincentive
stock options ("NSO Options") with or without SARs to directors, employees and
consultants of the Company and its subsidiaries.  The total number of shares of
Common Stock authorized and reserved for issuance under the Plan is 425,000.  As
of the date of this Prospectus, NSO Options to purchase 235,000 shares
(exercisable on or before March 28, 2007) at an exercise price of $2.00 per
share 
    

                                         -35-
<PAGE>
   
and ISO Options to purchase 40,000 shares at an exercise price of $3.94 per 
share (exercisable after April 17, 1999 and on or before July 20, 2008) have 
been granted under the Plan, of which 190,000 NSO Options have been 
exercised.  
    
     The Board of Directors administers and interprets the Plan and has the
authority to grant options to all eligible employees and determine the types of
options granted, with or without SARs, the terms, restrictions and conditions of
the options at the time of grant, and whether SARs, if granted, are exercisable
at the time of exercise of the Option to which the SAR is attached.  The Board
of Directors may at any time appoint a committee of two or more members of the
Board of Directors and delegate to such committee administration of the Plan. 
   
     Options under the Plan may be granted only to persons who at the time of
grant are directors, executive officers, key employees and independent
contractors and consultants of the Company and its subsidiaries.  Non-employee
directors are not eligible to be granted ISO Options.  Any ISO Options granted
under the Plan must be consistent with the qualification requirements set forth
in the Internal Revenue Code of 1986, as amended.  The maximum number of shares
of stock for which employee-directors may be granted options in any calendar
year may not exceed 25 percent of the aggregate number of shares of stock with
respect to which Options may be granted under the Plan.  The Board of Directors
determines the period during which any Option may be exercised; but may not be
exercisable more than 10 years after the date of grant.  The exercise prices of
Options are determined by the Plan Administrator, but in no event may such price
be less than 85 percent (100 percent for ISO Options) of the fair market value
of the stock on the date of grant.  Options granted are non-transferable except
by will or by the laws of descent and distribution.  No option may be granted
under the Plan after June 30, 2005.  
    
     Options are exercisable only by eligible persons while serving as a
director, an employee, an independent contractor or a consultant of the Company
or a subsidiary, except that such Options will be exercisable if an eligible
person's termination was due to (i) death, in which case the personal
representative of a deceased eligible person may exercise such options within 12
months after the eligible person's death, (ii) retirement, in which case such
Options will be exercisable within three months of such date of termination, or
(iii) disability, in which case such Options will be exercisable at any time
within 12 months of such date of termination, but in no event may an Option be
exercised beyond the exercise period of such Option.  However, the Board of
Directors, in its sole discretion, may permit an eligible person who is
terminated due to retirement or disability, or upon the occurrence of special
circumstances (as determined by the Board), or the personal representative of a
deceased eligible person to exercise and purchase (within three years of such
termination) all or any part of the shares of Common Stock subject to Options on
the date of termination.

1997 NON-QUALIFIED STOCK OPTION PLAN
   
     LABZ established the Laboratory Specialists of America, Inc. 1997 
Non-Qualified Stock Option Plan (the "1997 Option Plan") in October 1997.  
The 1997 Option Plan provides for the grant of non-qualified stock options 
("Options"), with stock appreciation rights ("SARs") to employees, directors, 
independent contractors and consultants of the Company.  The total number of 
shares of Common Stock  authorized and reserved for issuance under the 1997 
Option Plan is 400,000.  On July 20, 1998, the Board of Directors approved an 
amendment to the 1997 Option Plan which increased the total number of shares 
of Common Stock authorized and reserved for issuance to 800,000 subject to 
shareholder approval at the next shareholders meeting to the extent required 
pursuant to the Governance Rules of Nasdaq Stock Market, Inc.  As of the date of
this Prospectus, Options to purchase 340,000 shares (exercisable on or before 
October 1, 2007) at an exercise price of $3.18 per share have been granted 
under the 1997 Option Plan, of which 300,000 Options have been exercised.  On 
July 20, 1998, options exercisable for the purchase of 490,000 shares of 
Common Stock were granted with an exercise price of $4.25 per share.  In the 
event the amendment to the 1997 Option Plan is not approved by the 
shareholders as mentioned above, the number of shares purchasable pursuant to 
exercise will be reduced to 55,000 shares.On August 17, 1998, these Options 
were amended which reduced the exercise price to $3.94 per share and provided 
that such Options become exercisable on or after April 17, 1999 and expire on 
July 20, 2008.

     The Board of Directors (the "Board") administers the Plan and has the 
authority to interpret and construe the Plan, and determine all questions 
arising under the Plan and any agreement made pursuant to the Plan.   Options 
under the 1997 Option Plan may be granted only to persons ("Eligible 
Persons") who at the time of grant are directors, executive officers, key 
employees and independent contractors and consultants of the Company and its 
subsidiaries.
    
     Options may be granted by the Board on terms and conditions determined
solely by the Board.  No Option shall be exercisable more than 10 years after
the date of grant.  The maximum number of shares of stock for which an Eligible
Person may be granted Options in any calendar year may not exceed 25 percent of
the aggregate number of shares of stock with respect to which Options may be
granted under the 1997 Option Plan. The exercise prices of Options are
determined by the Board, but in no event may such price be less than 85 percent
of the fair market value 


                                         -36-
<PAGE>

of the stock on the date of grant.  Options granted are not transferable except
by will or by the laws of descent and distribution or with the consent of the
Company.  No Option under the Plan may be granted after October 1, 2007.

     Options may be exercisable only by the Option holder ("Participant") while
serving as a director of the Company or a subsidiary or while actively employed
as an employee, an independent contractor or a consultant by the Company or a
subsidiary, except that (i) any such Option granted and which is otherwise
exercisable, may be exercised by the personal representative of a deceased
Participant within 12 months after the death of such Participant (but not beyond
the exercise period of such Option), (ii) if a Participant is terminated as a
director, an employee, an independent contractor or a consultant of the Company
or a subsidiary on account of (A) retirement, such Participant may exercise any
Option which is otherwise exercisable at any time within three months of such
date of termination, or (B) a disability, such Participant may exercise any
Option which is otherwise exercisable at any time within 12 months of such date
of termination.  If a Participant dies during the applicable three-month or
12-month period following the date of such Participant's retirement or
termination on account of disability, the rights of the personal representative
of such deceased Participant as such relate to any Options granted to such
deceased Participant shall have similar rights to exercise the Options and
during the remainder of the three-month or 12-month period.

     The Board, in its sole discretion, may permit a Participant who is
terminated as a non-employee director, an employee, an independent contractor or
a consultant due to retirement or disability, or upon the occurrence of special
circumstances (as determined by the Board), or the personal representative of a
deceased Participant to exercise and purchase (within three years of such
termination) all or any part of the shares subject to Option on the date of
termination.  

OFFICER AND DIRECTOR LIABILITY

     As permitted by the provisions of the Oklahoma General Corporation Act, the
Certificate of Incorporation (the "Certificate") eliminates in certain
circumstances the monetary liability of directors of LABZ for a breach of their
fiduciary duty as directors.  These provisions do not eliminate the liability of
a director for (i) a breach of the director's duty of loyalty to LABZ or its
shareholders, (ii) acts or omissions by a director not in good faith or which
involve intentional misconduct or a knowing violation of law, (iii) liability
arising under Section 1053 of the Oklahoma General Corporation Act (relating to
the declaration of dividends and purchase or redemption of shares in violation
of the Oklahoma General Corporation Act), or (iv) any transaction from which the
director derived an improper personal benefit.  In addition, these provisions do
not eliminate liability of a director for violations of federal securities laws,
nor do they limit the rights of LABZ or its shareholders, in appropriate
circumstances, to seek equitable remedies such as injunctive or other forms of
non-monetary relief.  Such remedies may not be effective in all cases.

     The Certificate and Bylaws of LABZ provide that LABZ shall indemnify all
directors and officers of LABZ to the full extent permitted by the Oklahoma
General Corporation Act.  Under such provisions, any director or officer, who in
his capacity as such, is made or threatened to be made, a party to any suit or
proceeding, may be indemnified if the Board of Directors determines such
director or officer acted in good faith and in a manner he reasonably believed
to be in or not opposed to the best interest of LABZ.  The Certificate and
Bylaws of LABZ and the Oklahoma General Corporation Act further provide that
such indemnification is not exclusive of any other rights to which such
individuals may be entitled under the Certificate, the Bylaws, an agreement,
vote of shareholders or disinterested directors or otherwise.  Insofar as
indemnification for liabilities arising under the Act may be permitted to
directors and officers of LABZ pursuant to the foregoing provisions, or
otherwise, LABZ has been advised that in the opinion of the Commission such
indemnification is against public policy as expressed in the Act and is,
therefore, unenforceable.

                                 CERTAIN TRANSACTIONS

     Set forth below is a description of transactions entered into between LSI
and LABZ and certain of its officers, directors and shareholders during the last
two years.  Certain of these transactions will continue in effect  and may
result in conflicts of interest between the Company and such individuals. 
Although these persons have fiduciary duties 

                                         -37-
<PAGE>

to the Company and its shareholders, there can be no assurance that conflicts of
interest will always be resolved in favor of the Company.
   
     Until June 1996, LABZ's offices located at 1101-A Sovereign Row in 
Oklahoma City were subleased from Unico, Inc. ("Unico") on a month-to-month 
basis currently for $1,500 per month, and the lessors of such premises to 
Unico include John Simonelli and Larry E. Howell, who are officers and 
directors of LABZ. Messrs. Simonelli and Howell own, in the aggregate, a 50 
percent undivided interest in such premises, and are former directors of 
Unico.  During 1996, LABZ paid Unico, pursuant to the sublease, aggregate 
monthly rent of $6,000. 
    
     During 1997 and 1996, Michael E. Dunn, a Director of the Company, was
President, a Director and a shareholder of Dunn Swan & Cunningham.  During 1997
and 1996, LABZ paid Dunn Swan & Cunningham, A Professional Corporation, $143,785
and $27,525, respectively, for services rendered and $20,374 and $3,576.91,
respectively, in reimbursement of expenses advanced on behalf of LABZ.   In
addition, Michael E. Dunn received $10,000 for legal services rendered during
1997 on behalf of LABZ.

     On March 28, 1997, the Company issued to each of Jerome P. Welch, Michael
E. Dunn and Harry Gray Browne, M.D. (a former Director), stock options
exercisable for the purchase of 5,000 shares of Common Stock in replacement of
options previously granted in 1995.  The replacement options effectively reduced
the exercise price of options granted in 1995 from $3.00 to $2.00 and extended
the exercise period to March 28, 2007.  In addition, on October 1, 1997, the
Company issued to each of Jerome P. Welch and Michael E. Dunn stock options
pursuant to the 1997 Option Plan to purchase 5,000 shares of LABZ Common Stock
at $3.18 per share, which will expire October 1, 2007.  See "Management--1997
Non-Qualified Stock Option Plan."
   
     On July 20, 1998, the Company granted non-qualified stock options 
under the 1997 Option Plan to each of John Simonelli, Larry E. Howell 
and Arthur R. Peterson Jr. exercisable for the purchase of 160,000 
shares of Common Stock, and to each of Jerome P. Welch and Michael E. Dunn 
exercisable for the purchase of 5,000 shares of Common Stock after January 
20, 1999 and before July 20, 2008. Furthermore, the Company granted ISO 
Options under the 1994 Option Plan to Robert A. Gardebled, Jr. exercisable 
for the purchase of 10,000 shares of Common Stock. On August 17, 1998, these 
stock options were amended to reduce the per share exercise price from $4.25 
to $3.94 and to provide that such option will become exercisable after April 
17, 1999. With respect to each stock option granted to Messrs. Simonelli, 
Howell and Peterson, unless the amendment increasing the number of authorized 
and reserved shares of Common Stock under the 1997 Plan is approved by the 
shareholders, to the extent required under the Governance Rules of the Nasdaq 
Stock Market, Inc., the number of shares purchasable pursuant to such stock 
option will be reduced to 15,000 each.
    
     The Board of Directors of LABZ believes that the terms of the transactions
described above were at least as favorable as could be obtained from
unaffiliated third parties.  LABZ has adopted policies that any loans to
officers, directors and five percent or more shareholders ("affiliates") are
subject to approval by a majority of the disinterested independent directors of
LABZ and that further transactions with affiliates will be on terms no less
favorable than could be obtained from unaffiliated parties and approved by a
majority of the disinterested independent directors.  

            SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

     The following table presents certain information as to the beneficial
ownership of the Common Stock as of  the date of this Prospectus, and the
beneficial ownership of the Common Stock, as adjusted to give effect to the
Offering (assuming  exercise of the Jesup & Lamont Group Warrants in full), of
(i) each person who is known to LABZ to be the beneficial owner of more than
five percent thereof, (ii) each  director and executive officer of LABZ, and
(iii) all executive officers and directors as a group, together with their
percentage holdings of the outstanding shares, and, as adjusted, after giving
effect to the Offering.  All persons listed have sole voting and investment
power with respect to their shares unless otherwise indicated, and there are no
family relationships between the executive officers and directors of LABZ.
   
<TABLE>
<CAPTION>
                                                                   BENEFICIAL OWNERSHIP                      BENEFICIAL OWNERSHIP
                                                                  PRIOR TO THE OFFERING                      AFTER  THE OFFERING
                                                                -------------------------    NUMBER OF    ------------------------
                                                                  NUMBER OF     PERCENT    SHARES BEING   NUMBER OF      PERCENT
NAME AND ADDRESS OF BENEFICIAL OWNER                              SHARES(1)    PERCENT(2)     OFFERED     SHARES(1)     PERCENT(2)
- ------------------------------------                            ------------   ---------- --------------  ----------    ----------
<S>                                                             <C>            <C>         <C>            <C>         <C>
Arthur R. Peterson, Jr.(3)................................          525,472         9.2%      35,472       490,000          8.5%

John Simonelli............................................          235,217         4.1%      35,217       200,000          3.5%

Larry E. Howell...........................................          235,217         4.1%      35,217       200,000          3.5%

Robert A. Gardebled, Jr.(4)...............................           75,000         1.3%          --        75,000          1.3%

Jerome P. Welch(5)........................................           10,000          .2%          --        10,000           .2%

Michael E. Dunn(5)........................................           10,000          .2%          --        10,000           .2%

Executive Officers and Directors as a group
   (six persons)(6).......................................        1,090,906        19.1%     105,906       985,000         17.2%
</TABLE>
    
                                         -38-
<PAGE>
   
(1)  Shares not outstanding but deemed beneficially owned by virtue of the right
     of a person to acquire them within 60 days are treated as outstanding for
     determining the amount and percentage of Common Stock owned by such person.
     To the Company's knowledge, each named person has sole voting and sole
     investment power with respect to the shares shown except as noted, subject
     to community property laws, where applicable.
(2)  Rounded to the nearest one-tenth of one percent, based upon 5,701,018 
     shares of Common Stock outstanding before the Offering and 5,756,540 
     shares of Common Stock after the Offering, assuming exercise of the 
     Jesup & Lamont Group Warrants in full and assuming no exercise of 
     outstanding stock options and other warrants.  See "Description of 
     Securities--Jesup & Lamont Group Warrants," and  "--Outstanding Stock 
     Options and Other Warrants."
(3)  The business address of the named person is 1111 Newton Street, Gretna,
     Louisiana 70053.
(4)  The number and each percent of shares include stock options exercisable for
     the purchase of 50,000 shares of Common Stock.
(5)  The number of shares and each percent include exercisable stock options to
     purchase 10,000 shares of Common Stock.
(6)  The number and each percent of shares include exercisable stock options to
     purchase 70,000 shares of Common Stock.
    

                              DESCRIPTION OF SECURITIES
   
     Pursuant to its Certificate of Incorporation, LABZ is currently authorized
to issue up to 30,000,000 shares of capital stock, consisting of 20,000,000
shares of Common Stock, $.001 par value ("Common Stock"), and 10,000,000 shares
of Preferred Stock, $.001 par value ("Preferred Stock"), of which 300,000 shares
were designated by the Board of Directors as the Series I Cumulative Convertible
Preferred Stock (the "Series I Preferred Stock").  The Series I Preferred Stock
was redeemed in full on July 10, 1995, at the aggregate stated value of $300,000
and ceased to be issued and outstanding.  The Offering consists of (i) 55,522
shares of Common Stock which are being offered in the event of exercise of the
Jesup & Lamont Group Warrants at $5.40 per share, and (ii) the resale of
716,650 shares of Common Stock by the Selling Shareholders.  After giving
effect to the Offering and assuming full exercise of the Jesup & Lamont Group
Warrants, the issued and outstanding capital stock of LABZ will consist of
5,701,018 shares of Common Stock, assuming the outstanding stock options and
other warrants are not exercised.  See "--Common Stock, "--Jesup & Lamont Group
Warrants" and "--Outstanding Stock Options and Other Warrants."
    
     The following description of certain matters relating to the capital stock
and the Jesup & Lamont Group Warrants is a summary and is qualified in its
entirety by the provisions of LABZ's Certificate of Incorporation and the
Warrant Certificates evidencing the Jesup & Lamont Group Warrants, all of which
are either incorporated by reference or included as exhibits to the Registration
Statement of which this Prospectus is a part.  See "Additional Information."

COMMON STOCK  

     Pursuant to its Certificate of Incorporation, LABZ is authorized to issue
up to 20,000,000 shares of Common Stock.  The holders of outstanding shares of
Common Stock are entitled to receive ratably such dividends, if any, as may be
declared from time to time by the Board of Directors out of assets legally
available therefor, subject to the payment of preferential dividends with
respect to any Preferred Stock that may be outstanding.  In the event of
liquidation, dissolution and winding-up of LABZ, the holders of outstanding
Common Stock are entitled to share ratably in all assets available for
distribution to the Common Stock shareholders after payment of all liabilities
of LABZ, subject to the prior distribution rights of the holders of any
Preferred Stock that may be outstanding at that time.  Holders of outstanding
Common Stock are entitled to one vote per share on matters submitted to a vote
by the Common Stock shareholders of LABZ.  The Common Stock has no preemptive
rights and no subscription, redemption or conversion privileges.  The Common
Stock does not have cumulative voting rights, which means that holders of a
majority of shares voting for the election of directors can elect all members of
the Board of Directors subject to election.  


                                         -39-
<PAGE>

In general, a majority vote of shares represented at a meeting of Common Stock
shareholders at which a quorum (a majority of the outstanding shares of Common
Stock) is present is sufficient for all actions that require the vote or
concurrence of shareholders, subject to and possibly in connection with the
voting rights of the holders of any Preferred Stock that from time to time may
be outstanding and entitled to vote with the holders of the Common Stock.  Upon
issuance of the Common Stock pursuant to exercise of the Jesup & Lamont Group
Warrants, all of the outstanding shares of Common Stock will be fully paid and
nonassessable.

JESUP & LAMONT GROUP WARRANTS

     In connection with the 1998 Private Offering, LABZ issued the Jesup &
Lamont Group Warrants (as evidenced by each of the Warrant Certificates, dated
June 4, 1998) to Jesup & Lamont and its assigns to purchase 55,522 shares of
Common Stock at an exercise price of $5.40 per share.  The Jesup & Lamont Group
Warrants are exercisable at any time during the five-year period ending June 3,
2003.  The number and kind of securities or other property for which the Jesup &
Lamont Group Warrants are exercisable are subject to adjustments in certain
events, such as mergers, reorganizations or stock splits, to prevent dilution. 
During the term of the Jesup & Lamont Group Warrants, the holders thereof are
given the opportunity to profit from a rise in the market price of the Common
Stock.  LABZ may find it more difficult to raise additional equity capital while
the Jesup & Lamont Group Warrants are outstanding.  At any time at which the
Jesup & Lamont Group Warrants are likely to be exercised, LABZ will probably be
able to obtain additional equity capital on more favorable terms.  LABZ has
registered the shares of Common Stock underlying the Jesup & Lamont Group
Warrants under the 1933 Act pursuant to the Registration Statement of which this
Prospectus is a portion and has agreed, at its expense, to maintain such
registration in force until June 4, 2004.  The Jesup & Lamont Group Warrants are
not redeemable by LABZ. 

     The Jesup & Lamont Group Warrants may be exercised by presentation and 
surrender of the Jesup & Lamont Group Warrant to LABZ at its principal office 
accompanied by the duly executed Warrant Exercise Form annexed to the Jesup & 
Lamont Group Warrant and payment, in cash, certified or official bank check 
payable to Laboratory Specialists of America, Inc. in the amount of the 
exercise price of the number of shares of Common Stock being purchased.  The 
Jesup & Lamont Group Warrants contain net issuance provisions permitting the 
holder thereof to elect to exercise such warrant in whole or in part and 
instruct LABZ to withhold from the shares of Common Stock issuable upon 
exercise, a number of shares, valued at the current fair market value on the 
date of exercise, to pay the exercise price. Such net exercise provision has 
the effect of requiring LABZ to issue shares of Common Stock without a 
corresponding increase in capital. A net exercise of the Jesup & Lamont Group 
Warrants will have the same dilutive effect on the interests of the 
shareholders of LABZ as would a cash exercise. Upon exercise, LABZ will 
deliver to the holder of the Jesup & Lamont Group Warrant one or more 
certificates evidencing the Common Stock.  In the event the exercise is in 
part only, LABZ will promptly execute and deliver a new Jesup & Lamont Group 
Warrant evidencing the rights of the holder to purchase the balance of the 
shares of Common Stock purchasable pursuant to the Jesup & Lamont Group 
Warrant.

     The Jesup & Lamont Group Warrants may be assigned by surrender of the Jesup
& Lamont Group Warrants to the Company at its principal office.  In such event,
LABZ will, without charge, execute and deliver a new warrant certificate in the
name of the assignee.  The Jesup & Lamont Group Warrants may be divided or
combined with other Jesup & Lamont Group Warrants.

PREFERRED STOCK  

     Pursuant to its Certificate of Incorporation, LABZ has an authorized class
of Preferred Stock of 10,000,000 shares, $.001 par value, of which 300,000
shares were designated the Series I Preferred Stock.  On July 10, 1995, the
Series I Preferred Stock was redeemed in full at the aggregated stated value of
$300,000 and thereafter there were no shares of Preferred Stock issued and
outstanding.  The Preferred Stock may be issued from time to time in one or more
series, and the Board of Directors of LABZ, without further approval of its
shareholders, is authorized to fix the relative rights, preferences, privileges
and restrictions applicable to each series of Preferred Stock.  Management of
LABZ believes that having such a class of Preferred Stock provides LABZ with
greater flexibility in financing, acquisitions and other corporate activities. 
While there are no current plans, commitments or understandings, written or
oral, to issue any additional shares of Preferred Stock, in the event of any
issuance, the holders of Common Stock will not have any preemptive or similar
rights to acquire any of such Preferred Stock.

     The Board of Directors has the authority to issue shares of Preferred Stock
and to determine its rights and preferences to eliminate delays associated with
a shareholder vote on specific issuances.  The issuance of Preferred Stock,
while providing flexibility in connection with possible acquisitions and other
corporate purposes, could adversely affect the voting power of holders of Common
Stock and the likelihood that such holders will receive dividend 


                                         -40-
<PAGE>

payments and payments upon liquidation and could have the effect of delaying,
deferring or preventing a change in control of LABZ.

OUTSTANDING STOCK OPTIONS AND OTHER WARRANTS
   
          The Board of Directors is authorized to issue options and other 
stock purchase rights pursuant to The Laboratory Specialists of America, Inc. 
1994 Stock Option Plan (the "1994 Plan") and the Laboratory Specialists of 
America, Inc 1997 Non-Qualified Stock Option Plan (the "1997 Plan").  The 
aggregate number of shares of Common Stock authorized and reserved for 
issuance under the 1994 Plan and 1997 Plan is 825,000.  See "Management--1994 
Stock Option Plan" and "--1997 Non-Qualified  Stock Option Plan." As of the 
date of this Prospectus, (i) there are stock options outstanding under the 
1994 Plan exercisable, on or before March 28, 2007, for the purchase of 
45,000 shares of Common Stock at $2.00 per share and for the purchase of 
40,000 shares of Common Stock at $3.94 per share, and (ii) there are stock 
options outstanding under the 1997 Plan exercisable on or before October 1, 
2007, for the purchase 40,000 shares at $3.18 per share and exercisable after 
April 16, 1999 and on or before July 20, 2008, for the purchase of 490,000 
shares at $3.94 per share.  In addition, stock options have been granted to 
the three non-employee directors of LABZ, exercisable for the purchase of 
15,000 shares of Common Stock at $2.00 per share, on or before March 28, 
2007. See "Certain Transaction." 
    
   
     Furthermore, the Company has outstanding warrants and other stock options
exercisable for the purchase of 163,486 shares of Common Stock at $2.20 to $3.60
per share (with a weighted average exercise price of $3.03), expiring October
11, 1999 through February 14, 2001.  The Company has filed and maintains, at its
expense, a registration statement (Registration No. 333-30997) for the
registration of the Common Stock underlying such warrants and stock options. 
    
ANTI-TAKEOVER PROVISIONS

     The Certificate of Incorporation of LABZ and the Oklahoma General
Corporation Act include a number of provisions which may have the effect of
encouraging persons considering unsolicited tender offers or other unilateral
takeover proposals to negotiate with the Board of Directors rather than pursue
non-negotiated takeover attempts.  These provisions include availability of
authorized but unissued Common Stock and Preferred Stock.

     COMMON AND PREFERRED STOCK.  The Certificate of Incorporation authorizes
the issuance of Common Stock and Preferred Stock in classes, and the Board of
Directors to set and determine the voting rights, redemption rights, conversion
rights and other rights relating to such class of Common Stock or Preferred
Stock, and to issue such stock in either private or public transactions.  In
some circumstances, the Common Stock or Preferred Stock could be issued and have
the effect of preventing a merger, tender offer or other takeover attempt which
the LABZ's Board of Directors opposes.

     OKLAHOMA ANTI-TAKEOVER STATUTE.  LABZ is subject to Sections 1145 through
1155 of the Oklahoma General Corporation Act (the "anti-takeover provisions"). 
In general, shares ("interested shares") of voting stock acquired (within the
meaning of a "control share acquisition" under the anti-takeover provisions)
become nonvoting stock for a period of three years following such control share
acquisition, unless a majority of the holders of non-interested shares approve a
resolution reinstating the interested shares with the same voting rights that
such shares had before such interested shares became control shares.  Any person
("acquiring person") who proposes to make a control share acquisition may, at
the person's election, and any acquiring person who has made a control share
acquisition is required to deliver an acquiring person statement to the
corporation at its principal office setting forth (i) the identity of the
acquiring person, (ii) the number of shares owned, directly or indirectly, the
acquisition date and price at which the shares were or are to be acquired, (iii)
the voting power the acquiring person would be entitled but for the
anti-takeover provisions, (iv) the form of resolution to be considered by the
shareholders to approve reinstatement of voting rights with respect to the
shares acquired, and (v) in the event the control share acquisition has not been
consummated, a description in reasonable detail of the terms of the proposed
control share acquisition and representations, together with a statement in
reasonable detail of the facts upon which they are based, that the proposed
control share acquisition, if consummated, will not be contrary to law, and that
the acquiring person has the financial capacity to make the proposed control
share acquisition.  The corporation is required to present to the next annual
meeting of the shareholders the reinstatement of voting rights with respect to
the control shares that resulted in the control share acquisition, unless the
acquiring person requests a special meeting of shareholders for such purpose and
undertakes 


                                         -41-
<PAGE>

to pay the costs and expenses of such special meeting within 10 days thereafter.
In the event voting rights of control shares acquired in a control share
acquisition are reinstated in full and the acquiring person has acquired control
shares with a majority or more of all voting power, all shareholders of the
corporation have dissenters' rights entitling them to receive the fair value of
their shares which will not be less than the highest price paid per share by the
acquiring person in the control share acquisition. 

     Within the meaning of the anti-takeover provisions, "control share
acquisition" means the acquisition by any person (including persons acting as a
group) of ownership of, or the power to direct the exercise of voting power with
respect to, control shares (generally shares having more than 20 percent of all
voting power in the election of directors of a publicly held corporation), other
than an acquisition (and then only if made in good faith and not for the purpose
of circumventing the anti-takeover provisions) (i) pursuant to the laws of
descent and distribution, (ii) pursuant to the satisfaction of a pledge or other
security interest, (iii) pursuant to an agreement of merger, consolidation, or
share acquisition to which the corporation is a party and is effected in
compliance with certain Sections of the Oklahoma General Corporation Act, (iv)
by a donee receiving the shares pursuant to an inter vivos gift, (v) by a person
of additional shares within the range of voting power for which such person has
received approval pursuant to a resolution by the majority of the holders of
non-interested shares, (vi) an increase in voting power resulting from any
action taken by the corporation, provided the person whose voting power is
thereby affected is not an affiliate of the corporation, (vii) pursuant to proxy
solicitation under and in accordance with the Exchange Act or the laws of
Oklahoma, (viii) pursuant to transfer between or among immediate family members,
or between or among persons under direct common control, or (ix) from any person
whose previous acquisition of shares did not constitute a control share
acquisition, provided the acquisition does not result in the acquiring person
holding voting power within a higher range of voting power than that of the
person from whom the control shares were acquired.

TRANSFER AGENT AND WARRANT AGENT

     UMB Oklahoma Bank is the registrar and transfer agent for the Common Stock,
whose mailing address is Post Office Box 82427, Oklahoma City, Oklahoma 73148.
The Company is the transfer agent of the Jesup & Lamont  Group  Warrants.


                           SHARES ELIGIBLE FOR FUTURE SALE
   
     As of the date of this Prospectus, LABZ has 5,701,018 shares of Common 
Stock outstanding.  Upon completion of the Offering (assuming exercise of the 
Jesup & Lamont Group  Warrants in full and assuming no exercise of the 
outstanding stock options and other warrants), LABZ will have outstanding 
5,756,540 shares of Common Stock and outstanding stock options and warrants 
exercisable for the purchase of 793,486 shares of Common Stock.  See 
"Description of Securities--Outstanding Stock Options and Other Warrants."  
No prediction can be made as to the effect, if any, that future sales or the 
availability of shares for sale will have on the market price of the Common 
Stock  prevailing from time to time.  Nevertheless, sales of substantial 
amounts of Common Stock of LABZ in the public market could adversely affect 
the prevailing market price of the Common Stock and could impair LABZ's 
ability to raise capital through sales of its equity securities.
    
   
     The 716,650 shares of Common Stock offered in the Offering will be 
immediately eligible for resale in the public market without restriction or 
further registration under the 1933 Act, except for shares purchased by an 
"affiliate" (as that term is defined under the 1933 Act) of LABZ, which will 
be subject to the resale limitations of Rule 144 promulgated under the 1933 
Act. In addition, there are 915,000 shares of Common Stock outstanding held 
by the executive officers and directors of the Company which are subject to 
the resale limitations of Rule 144 promulgated under 1933 Act described below.
    
     In general, under Rule 144, as currently in effect, a person (or persons
whose shares are aggregated), including an affiliate, who has beneficially owned
Restricted Shares for at least one year is entitled to sell within any
three-month period a number of shares that does not exceed the greater of (i)
one percent of the then outstanding shares of LABZ's Common Stock or (ii) an
amount equal to the average weekly reported volume of trading in such shares
during the four calendar weeks preceding the date on which notice of such sale
is filed with the Commission.  Sales under Rule 144 are also subject to certain
manner of sale limitations, notice requirements and the availability of current
public 


                                         -42-
<PAGE>

information about LABZ.  Shares of Common Stock properly sold in reliance on
Rule 144 are thereafter freely tradable without restrictions or registration
under the 1933 Act, unless thereafter held by an affiliate of LABZ.  In
addition, affiliates of LABZ must comply with the restrictions and requirements
of Rule 144, other than the one-year holding period requirement, in order to
sell shares of Common Stock which are not restricted shares within the meaning
of Rule 144 (such as shares of Common Stock acquired by affiliates of LABZ in
the Offering).  As defined in Rule 144, an "affiliate" of an issuer is a person
that directly, or indirectly through one or more intermediaries, controls or is
controlled by or is under common control with such issuer.  If two years have
elapsed since the later of the date of any acquisition of Restricted Shares from
LABZ or from any affiliate of LABZ, and the acquiror or subsequent holder
thereof is deemed not to have been an affiliate of LABZ at any time during the
90 days preceding a sale, such person would be entitled to sell such shares in
the public market pursuant to Rule 144(k) without regard to volume limitations,
manner of sale restrictions, or public information or notice requirements.

     Pursuant to Rule 144A promulgated under the 1933 Act, under certain
circumstances permits qualified institutional buyers, as defined in the Rule, to
more easily acquire and sell "restricted securities."  The Company is unable to
predict the effect that Rule 144A will have on the prevailing market price of
LABZ's Common Stock due to the recent adoption of the Rule.


                                 PLAN OF DISTRIBUTION

     The Common Stock issuable upon exercise of the Jesup & Lamont Group
Warrants is being offered on a best efforts basis by the Company and its
officers and directors, without their receipt of or entitlement to commissions,
selling fees or direct or indirect remuneration.  From the proceeds of the
Offering received by the Company, the costs (which are estimated to be $28,500)
incurred with respect to the Offering will be paid by the Company.  Offers by
the Company will be limited to the holders of the Jesup & Lamont Group 
Warrants.  The Common Stock offered by the Selling Shareholders pursuant to the
Offering is being offered on a best efforts basis by the respective Selling
Shareholders. 


                                    LEGAL MATTERS

     The validity of issuance of the shares of Common Stock and Units offered
hereby and certain other legal matters in connection with the Offering will be
passed upon for LABZ by its counsel, Dunn Swan & Cunningham, A Professional
Corporation, of Oklahoma City, Oklahoma.


                                       EXPERTS
   
     The financial statements of the Company included in this Prospectus and
Registration Statement to the extent and for the periods indicated in their
report have been audited by Arthur Andersen LLP, independent public 
accountants, as indicated in their report with respect thereto, and are 
included herein in reliance upon the authority of said firm as experts in 
accounting and auditing in giving said report.  
    
                                         -43-
<PAGE>
   
                            INDEX TO FINANCIAL STATEMENTS

LABORATORY SPECIALISTS OF AMERICA, INC.:

     Consolidated Balance Sheets
      December 31, 1997 and June 30, 1998 (Unaudited) . . . . . . . . . .   F-2

     Consolidated Statements of Income (Unaudited)
      Three and Six Months Ended June 30, 1997 and  1998. . . . . . . . .   F-4

     Consolidated Statements of Cash Flows (Unaudited)
      Six Months Ended June 30, 1997 and 1998 . . . . . . . . . . . . . .   F-5

     Notes to Consolidated Financial Statements (Unaudited) . . . . . . .   F-6

     Report of Independent Public Accountants . . . . . . . . . . . . . .   F-9

     Consolidated Balance Sheets, December 31, 1997 and 1996. . . . . . .   F-10

     Consolidated Statements of Income for the Years Ended
          December 31, 1997, 1996 and 1995. . . . . . . . . . . . . . . .   F-12

     Consolidated Statements of Stockholders' Equity for the
          Years Ended December 31, 1997, 1996 and 1995. . . . . . . . . .   F-13

     Consolidated Statements of Cash Flows for the Years
          Ended December 31, 1997, 1996 and 1995. . . . . . . . . . . . .   F-14

     Notes to Consolidated Financial Statements . . . . . . . . . . . . .   F-15
    

                                         F-1
<PAGE>
   

           LABORATORY SPECIALISTS OF AMERICA, INC. AND  SUBSIDIARIES

                           CONSOLIDATED BALANCE SHEETS

<TABLE>
                                                              DECEMBER 31,    JUNE 30,
                                                                 1997          1998
                                                              -----------   -----------
                                                                            (UNAUDITED)
<S>                                                           <C>           <C>
                        ASSETS

CURRENT ASSETS:
  Cash and cash equivalents                                   $ 2,863,639    $4,776,869
  Accounts receivable, net of allowance of $568,237 in
   1997 and $494,989 in 1998                                    2,262,990     2,860,074
  Income tax refund receivable                                    190,498            --
  Inventories                                                     109,929        72,172
  Prepaid expenses and other                                      115,219       158,457
  Deferred tax asset                                              160,709       160,709
                                                              -----------   -----------

    Total current assets                                        5,702,984     8,028,281
                                                              -----------   -----------

PROPERTY, PLANT AND EQUIPMENT, net of accumulated
  depreciation of $1,123,909 in 1997 and $1,281,817 in 1998     2,376,885     2,390,096
                                                              -----------   -----------

OTHER ASSETS:
  Goodwill, net of accumulated amortization of $272,148 in
    1997 and $316,592 in 1998                                   2,316,302     2,271,859
  Customer lists, net of accumulated amortization of $518,105
    in 1997, and $695,913 in 1998                               4,587,814     5,217,751
  Deferred costs                                                   32,595        45,051
                                                              -----------   -----------

    Total other assets                                          6,936,711     7,534,661
                                                              -----------   -----------

    Total assets                                              $15,016,580   $17,953,038
                                                              -----------   -----------
                                                              -----------   -----------
</TABLE>

     THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE BALANCE SHEETS.
    
                                      F-2
<PAGE>
   

           LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES

                          CONSOLIDATED BALANCE SHEETS

<TABLE>
                                                   DECEMBER 31,     JUNE 30,
                                                       1997           1998
                                                   -----------    -----------
                                                                  (UNAUDITED)
<S>                                                <C>            <C>
LIABILITIES AND STOCKHOLDERS' EQUITY

CURRENT LIABILITIES:
  Accounts payable                                 $   742,292    $   871,128
  Accrued income tax                                        --         95,559
  Accrued payroll expense                              411,364        974,202
  Other accrued expenses                                78,491         68,893
  Accrued customer list installment payments           510,345        595,994
  Obligations related to discontinued operations       126,813         14,080
  Current portion of long-term debt.                   527,696        535,531
                                                   -----------    -----------

    Total current liabilities                        2,397,001      3,155,387
                                                   -----------    -----------

LONG-TERM DEBT, net of current portion               2,353,428      1,730,909
                                                   -----------    -----------

DEFERRED INCOME TAXES                                  359,848        359,848
                                                   -----------    -----------

COMMITMENTS AND CONTINGENCIES

STOCKHOLDERS' EQUITY:

 Common stock, $0.001 par value, 20,000,000 shares 
   authorized, 4,924,818 shares issued and 
   outstanding at 12/31/97 and 5,602,446 shares 
   issued and outstanding at 6/30/98                     4,925          5,602
 Paid in capital in excess of par                    8,291,365     10,136,973
 Retained earnings                                   1,610,013      2,564,319
                                                   -----------    -----------

    Total stockholders' equity                       9,906,303     12,706,894
                                                   -----------    -----------

    Total liabilities and stockholders' equity     $15,016,580    $17,953,038
                                                   -----------    -----------
                                                   -----------    -----------
</TABLE>

              THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE 
                          CONSOLIDATED BALANCE SHEETS.
    
                                      F-3
<PAGE>
   

             LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARY

                        CONSOLIDATED STATEMENTS OF INCOME

                                   UNAUDITED

<TABLE>
<CAPTION>
                                        FOR THE THREE   FOR THE THREE    FOR THE SIX    FOR THE SIX   
                                         MONTHS ENDED   MONTHS ENDED    MONTHS ENDED    MONTHS ENDED  
                                        JUNE 30, 1997   JUNE 30, 1998   JUNE 30, 1997   JUNE 30, 1998 
                                        --------------  -------------   -------------   ------------  
<S>                                     <C>             <C>             <C>             <C>
REVENUES                                  $ 3,423,760    $ 4,088,156     $ 6,010,982    $ 7,659,764  

COST OF LABORATORY SERVICES                 1,473,773      1,787,565       2,659,857      3,462,846  
                                          -----------    -----------     -----------    -----------  
    GROSS PROFIT                            1,949,987      2,300,591       3,351,125      4,196,918  
                                          -----------    -----------     -----------    -----------  
OPERATING EXPENSES:
  SELLING                                     159,966        228,518         292,095        424,932  
  GENERAL AND ADMINISTRATIVE                  903,464        933,024       1,599,080      1,786,052  
  DEPRECIATION AND AMORTIZATION               176,323        200,564         317,172        392,908  
                                          -----------    -----------     -----------    -----------  
    TOTAL OPERATING EXPENSES                1,239,753      1,362,106       2,208,347      2,603,892  
                                          -----------    -----------     -----------    -----------  
    INCOME FROM OPERATIONS                    710,234        938,485       1,142,778      1,593,026  
                                          -----------    -----------     -----------    -----------  
OTHER INCOME (EXPENSE):
  INTEREST EXPENSE                            (53,608)       (52,294)        (90,484)       (98,438) 
  INTEREST INCOME                               7,840         40,656          19,493         77,823  
  OTHER INCOME                                   (231)        12,554              72         52,487  
                                          -----------    -----------     -----------    -----------  
    TOTAL OTHER INCOME (EXPENSE)              (45,999)           916         (70,919)        31,872  
                                          -----------    -----------     -----------    -----------  
    INCOME BEFORE INCOME TAXES                664,235        939,401       1,071,859      1,624,898  

INCOME TAX EXPENSE                            275,622        386,655         449,243        670,592  
                                          -----------    -----------     -----------    -----------  
    NET INCOME                            $   388,613    $   552,746     $   622,616    $   954,306  
                                          -----------    -----------     -----------    -----------  
BASIC EARNINGS PER SHARE:
WEIGHTED AVERAGE NUMBER OF COMMON STOCK    
SHARES OUTSTANDING                          3,313,405      5,110,538       3,313,405      5,018,523  
                                          -----------    -----------     -----------    -----------  
                                          -----------    -----------     -----------    -----------  
NET INCOME PER COMMON STOCK SHARE         $       .12    $       .11     $       .19    $       .19  
                                          -----------    -----------     -----------    -----------  
                                          -----------    -----------     -----------    -----------  
DILUTED EARNINGS PER SHARE:
WEIGHTED AVERAGE NUMBER OF COMMON STOCK    
  SHARES AND COMMON STOCK EQUIVALENTS      
  SHARES OUTSTANDING                        3,766,454      5,470,042       3,834,644      5,381,554  
                                          -----------    -----------     -----------    -----------  
                                          -----------    -----------     -----------    -----------  
NET INCOME PER COMMON STOCK AND            
  COMMON STOCK EQUIVALENTS                $       .10    $       .10     $       .16    $       .18  
                                          -----------    -----------     -----------    -----------  
                                          -----------    -----------     -----------    -----------  
</TABLE>

               THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE STATEMENTS.
    
                                             F-4
<PAGE>
   

                  LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES

                            CONSOLIDATED STATEMENTS OF CASH FLOWS

<TABLE>
<CAPTION>
                                                          FOR THE SIX     FOR THE SIX   
                                                          MONTHS ENDED    MONTHS ENDED  
                                                          JUNE 30, 1997   JUNE 30, 1998 
                                                          -------------   ------------- 
                                                                   (UNAUDITED)
<S>                                                       <C>             <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
  Net income                                               $   622,616     $   954,306  
  Adjustments to reconcile net income to net cash
    provided by operating activities -
      Depreciation and amortization                            317,172         392,908  
      Provision for bad debts and other                         40,000              --  
      Gain from extinguishment of long-term debt                    --         (38,122)  
      Impact of changes in assets and liabilities:
        Accounts receivable                                   (627,671)       (630,939) 
        Income tax refund receivable                           241,243         190,498  
        Inventories                                             24,384          37,757  
        Prepaid expenses and other                              53,759         (43,238) 
        Income tax payable                                          --          95,559  
        Accounts payable and accrued expenses                  257,255          90,382  
                                                           -----------     -----------  
      Net cash provided by operating activities                928,758       1,049,111  
                                                           -----------     -----------  
CASH FLOWS FROM INVESTING ACTIVITIES:
  Capital expenditures                                        (481,957)       (183,870) 
  Purchase of PLL Customer List                             (1,894,184)        (42,033) 
  Purchase of Accu-Path Customer List                               --         (92,692)  
  Purchase of Harrison Customer List                                --        (553,515)  
  Acquisition costs                                            (37,514)        (12,456)  
                                                           -----------     -----------  
      Net cash used in investing activities                 (2,413,655)       (884,566)  
                                                           -----------     -----------  
CASH FLOWS FROM FINANCING ACTIVITIES:
  Payments on short-term borrowings                            (11,667)             --  
  Payments on long-term borrowings                            (199,533)       (576,562) 
  Proceeds from long-term borrowings                         1,682,293              --  
  Proceeds from exercise of warrants and stock options              --          49,400  
  Proceeds from private offering                                    --       2,275,847  
  Warrant offering costs                                       (10,420)             --  
                                                           -----------     -----------  
      Net cash provided by financing activities              1,460,673       1,748,685  
                                                           -----------     -----------  
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS               (24,224)      1,913,230  
                                                           -----------     -----------  
CASH AND CASH EQUIVALENTS, beginning of period                 727,381       2,863,639  
                                                           -----------     -----------  
CASH AND CASH EQUIVALENTS, end of period                   $   703,157     $ 4,776,869  
                                                           -----------     -----------  
                                                           -----------     -----------  
SUPPLEMENTAL DISCLOSURES OF CASH
  FLOW INFORMATION:
  Cash paid during the period for interest                 $    90,484     $   110,573
                                                           -----------     -----------  
                                                           -----------     -----------  
  Cash paid during the period for income taxes             $   190,000     $   384,535
                                                           -----------     -----------  
                                                           -----------     -----------  
</TABLE>

            THE ACCOMPANYING NOTES ARE AN INTEGRAL PART OF THESE STATEMENTS.
    
                                             F-5
<PAGE>
   

          LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES

                 NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

            (INFORMATION FOR THE SIX MONTHS ENDED JUNE 30, 1997,
                      AND JUNE 30, 1998, IS UNAUDITED.)

1.  GENERAL

The consolidated financial statements included in this report have been
prepared by the Company pursuant to the rules and regulations of the Securities
and Exchange Commission for interim reporting and include all adjustments which
are, in the opinion of management, necessary for a fair presentation.  These
financial statements have not been audited by an independent accountant.  The
consolidated balance sheet at December 31, 1997, has been derived from the
audited balance sheet of the Company.

Certain information and footnote disclosures normally included in financial
statements prepared in accordance with generally accepted accounting principles
have been condensed or omitted pursuant to such rules and regulations for
interim reporting.  The Company believes that the disclosures are adequate to
make the information presented not misleading.  However, these financial
statements should be read in conjunction with the audited financial statements
and notes thereto included in the Annual Report on Form 10-KSB filed by the
Company with the Securities and Exchange Commission on March 27, 1998. The
financial data for the interim periods presented may not necessarily reflect
the results to be expected for the full year.

2.  EARNINGS PER COMMON SHARE

Both Basic and Diluted Earnings per common share were computed using the
weighted average number of common shares outstanding.  Diluted earnings per
share also reflect the dilutive effect, if any, of the conversion of stock
options, outstanding warrants and contingent shares.  In the diluted earnings
per share calculation the outstanding warrants were calculated using the
weighted average market price during the term of the warrants.

Income from continuing operations for purposes of computing both basic earnings
per share and diluted earnings per share was $552,746 and $388,613 for the
three months ended June 30, 1998 and 1997, respectively, and $954,306 and
$622,616 for the six months ended June 30, 1998 and 1997, respectively.  A
reconciliation of the average shares outstanding used to compute basic earnings
per share to the shares used to compute diluted earnings per share for both
periods is presented below:

<TABLE>
                                                    Three Months              Six Months
                                                   Ended June 30,            Ended June 30,
                                               ----------------------    ----------------------
                                                  1998         1997         1998         1997
                                               ---------    ---------    ---------    ---------
<S>                                            <C>          <C>          <C>          <C>
Average shares outstanding-basic               5,110,538    3,313,405    5,018,523    3,313,405

Dilutive effect of stock options                 263,698       47,571      268,107       58,429
Dilutive effect of warrants                       95,806      251,174       94,924      308,506
Dilutive effect of contingent shares related
 to NPL purchase                                      --      154,304           --      154,304
                                               ---------    ---------    ---------    ---------
Average shares outstanding assuming dilution   5,470,042    3,766,454    5,381,554    3,834,644
                                               ---------    ---------    ---------    ---------
                                               ---------    ---------    ---------    ---------
</TABLE>
    
                                     F-6
<PAGE>
   

3.  GOODWILL AND CUSTOMER LISTS

Goodwill and customer lists are being amortized on a straight-line basis over
twenty to forty years and fifteen years, respectively.  The Company continually
evaluates whether events and circumstances have occurred that indicate the
remaining estimated useful life of goodwill and customer lists may warrant
revision or that the remaining unamortized balance of goodwill or customer
lists may not be recoverable.  When factors, such as operating losses, loss of
customers, loss or suspension for an extended period of laboratory
certification, or changes in the drug testing industry, if present, indicate
that goodwill or customer lists should be evaluated for possible impairment,
the Company uses an estimate of the related undiscounted cash flows over the
remaining life of the goodwill or customer lists in measuring whether the
goodwill and the customer lists are recoverable.  Although management believes
that goodwill and the customer lists are currently recoverable over the
respective remaining amortization periods, it is possible, due to a change in
circumstances, that the carrying value could become impaired in the future.
Such impairment could have a material effect on the results of operations in a
particular reporting period.

4.  CONTINGENT LIABILITIES

Incidental to its business, the Company from time to time is sued by
individuals who have tested positive for drugs of abuse or who allege that
improper analysis has been performed, generally arising from Laboratory
Specialists, Inc.'s, the company's wholly owned subsidiary ("LSI"), alleged
failure to properly administer drug urinalysis tests.  LSI is currently a
defendant in several such lawsuits.  Based upon prior successful defense of
similar-type lawsuits, the Company believes it has valid defenses to each of
such lawsuits, and intends to vigorously defend in such actions.  Although LSI
maintains insurance to protect itself against such liability, and LSIs
insurance carriers have assumed the defense of LSI in connection with certain
actions, the extent of such insurance coverage is limited, both in terms of
types of risks covered by the policies and the amount of coverage.  In the
opinion of the Company's management and it's legal counsel, these suits and
claims should not result in judgments or settlements which would have a
material adverse effect on the Company's results of operations or financial
position.  Although LSI has not experienced any material liability related to
such claims, there can be no assurance that LSI, and possibly LSAI, will not at
some time in the future experience significant liability in connection with
such claims and such liability may exceed the extent of such insurance
coverage, both in terms of risks covered by the policies and the amount of
coverage, which could have a material adverse effect upon the results of
operations and financial condition of the Company.

5.  SUPPLEMENTAL SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES

In connection with the purchase of assets from Pathology Laboratories, Ltd.
("PLL"), a liability of $960,000 was recorded based upon estimated future
quarterly installment payments to be made to PLL.  As of June 30, 1998, all
installment payments, totaling $751,688 had been made and the remaining balance
of the liability, approximately $208,312, was treated as a reduction in the
carrying value of the PLL customer list since it will not be paid pursuant to
the purchase agreement.

In connection with the purchase of assets from Accu-Path Medical Laboratory,
Inc. ("Accu-Path"), a liability of $260,000 was recorded based upon estimated
future quarterly installment payments to be made to Accu-Path.  As of June 30,
1998, the first and second installment payments, totaling $90,151, had been
made, with two quarterly installment payments to be made.
    
                                     F-7
<PAGE>
   

In connection with the purchase of assets from Harrison Laboratories, Inc.
("HLI"), a liability of $460,000 was recorded based upon the estimated future
payment obligation.  As of June 30, 1998, no payments have been made on this
liability; however, a $33,855 reduction was recorded as a result of the offset
of an account receivable owed to Laboratoary Specialists, Inc. by HLI.

The above transactions, except the reductions in the liability owed to PLL,
Accu-Path and HLI, are non-cash transactions and have been excluded from the
accompanying statements of cash flows.

6.  SUBSEQUENT EVENTS

On July 1, 1998, the Company acquired from Toxworx Laboratories, Inc. ("TLI"), a
California corporation, a customer list pursuant to an Asset Purchase Agreement
dated June 8, 1998, ("TLI Asset Purchase").  In connection with the TLI Asset
Purchase, the Company paid $2,400,000 at closing.  The purchase price of the
customer list was recorded as an intangible asset, which is being amortized
over 15 years.

On July 20, 1998, the Company amended the Laboratory Sepcialists of America, 
Inc. 1997 Non-Qualified Stock Option Plan (the "1997 Plan"), which increased 
to 800,000 the number of shares of common stock authorized and reserved for 
issuance under the 1997 Plan, subject to shareholder approval. In addition, 
the Company granted 525,000 stock options under the 1997 Plan and 40,000 
stock options under the Laboratory Specialists of America, Inc. 1994 Stock 
Option Plan. On August 17, 1998, the stock options were amended which reduced 
the exercise price from $4.25 to $3.94 per share, which represented the fair 
market value of the shares on the date of grant and the amendment, 
respectively. In the event the 1997 Plan amendment is not approved by the 
shareholders, the number of shares of common stock purchasable pursuant to 
exercise of the options will be reduced to 55,000 shares. The stock options, 
as amended, are exercisable at any time after April 17, 1999 and on or before 
July 20, 2008.

Since June 30, 1998, the Company has issued 98,572 shares of Common Stock in 
connection with the exercise of certain warrants for net proceeds of $216,858.
    
                                     F-8

<PAGE>

                      REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS




To the Board of Directors of
Laboratory Specialists of America, Inc.:


We have audited the accompanying consolidated balance sheets of Laboratory
Specialists of America, Inc. (an Oklahoma corporation) and subsidiaries as of
December 31, 1997 and 1996, and the related consolidated statements of income,
stockholders' equity and cash flows for each of the three years in the period
ended December 31, 1997.  These financial statements are the responsibility of
the Company's management.  Our responsibility is to express an opinion on these
financial statements based on our audits.

We conducted our audits in accordance with generally accepted auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present fairly, in
all material respects, the financial position of Laboratory Specialists of
America, Inc. and subsidiaries as of December 31, 1997 and 1996, and the results
of their operations and their cash flows for each of the three years in the
period ended December 31, 1997, in conformity with generally accepted accounting
principles.

ARTHUR ANDERSEN LLP


Oklahoma City, Oklahoma,
     March 6, 1998


                                         F-9
<PAGE>

                                                                     Page 1 of 2

              LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                            CONSOLIDATED BALANCE SHEETS

                             DECEMBER 31, 1997 AND 1996
   
<TABLE>
<CAPTION>
                                                       1997            1996
                                                   -----------      ----------
                 ASSETS
                 ------
<S>                                                <C>              <C>
CURRENT ASSETS:
  Cash and cash equivalents . . . . . . . . . .    $ 2,863,639      $  727,381
    Accounts receivable, net of allowance of
    $568,237 in 1997 and $597,499 in 1996 . . .      2,262,990       1,696,744
  Income tax refund receivable. . . . . . . . .        190,498         312,664
  Inventories . . . . . . . . . . . . . . . . .        109,929          99,754
  Prepaid expenses and other. . . . . . . . . .        115,219         146,859
  Deferred tax asset. . . . . . . . . . . . . .        160,709         211,078
                                                   -----------      ----------
         Total current assets . . . . . . . . .      5,702,984       3,194,480
                                                   -----------      ----------
PROPERTY, PLANT AND EQUIPMENT, net of
    accumulated depreciation of $1,123,909
    in 1997 and $900,948 in 1996. . . . . . . .      2,376,885       1,592,599
                                                   -----------      ----------
OTHER ASSETS:
Goodwill, net of accumulated amortization
    of $272,148 in 1997 and $171,355 in 1996. .      2,316,302       2,663,850

Customer lists, net of accumulated
    amortization of $518,105 in 1997 and
    $216,429 in 1996. . . . . . . . . . . . . .      4,587,814       1,863,061
  Deferred costs. . . . . . . . . . . . . . . .         32,595          80,818
                                                    ----------      ----------
         Total other assets . . . . . . . . . .      6,936,711       4,607,729
                                                    ----------      ----------
         Total assets . . . . . . . . . . . . .    $15,016,580      $9,394,808
                                                   -----------      ----------
                                                   -----------      ----------

</TABLE>
    
                                         F-10
<PAGE>

                                                                     Page 2 of 2

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES

                             CONSOLIDATED BALANCE SHEETS

                              DECEMBER 31, 1997 AND 1996

<TABLE>
<CAPTION>

                                                      1997             1996
                                                   -----------      ----------
     LIABILITIES AND STOCKHOLDERS' EQUITY
     ------------------------------------
<S>                                                <C>              <C>
CURRENT LIABILITIES:
  Accounts payable. . . . . . . . . . . . . . .    $   742,292      $  521,705
  Accrued payroll expenses. . . . . . . . . . .        411,364         300,103
  Accrued customer list installment payments. .        510,345          --
  Other accrued expenses. . . . . . . . . . . .         78,491          57,310
  Short-term debt . . . . . . . . . . . . . . .         --             410,293
  Current portion of long-term debt . . . . . .        527,696         118,085
  Obligations related to discontinued
    operation . . . . . . . . . . . . . . . . .        126,813         784,272
                                                   -----------      ----------
        Total current liabilities . . . . . . .      2,397,001       2,191,768
                                                   -----------      ----------
LONG-TERM DEBT, net of current portion. . . . .      2,353,428       1,245,690
                                                   -----------      ----------
DEFERRED INCOME TAXES . . . . . . . . . . . . .        359,848         307,100

COMMITMENTS AND CONTINGENCIES (Note 9)

STOCKHOLDERS' EQUITY:
     Common stock, $0.001 par value, 20,000,000
       shares authorized, 4,924,818 shares
       issued and outstanding in 1997 and
       3,313,405 shares issued and outstanding
       in 1996. . . . . . . . . . . . . . . . .          4,925           3,313
     Paid in capital in excess of par . . . . .      8,291,365       5,366,027
     Retained earnings. . . . . . . . . . . . .      1,610,013         280,910
                                                   -----------      ----------
        Total stockholders' equity. . . . . . .      9,906,303       5,650,250
                                                   -----------      ----------
        Total liabilities and stockholders'
         equity . . . . . . . . . . . . . . . .    $15,016,580      $9,394,808
                                                   -----------      ----------
                                                   -----------      ----------

</TABLE>


                      THE ACCOMPANYING NOTES ARE AN INTEGRAL PART
                         OF THESE CONSOLIDATED BALANCE SHEETS.


                                         F-11
<PAGE>

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                          CONSOLIDATED STATEMENTS OF INCOME

                 FOR THE YEARS ENDED DECEMBER 31, 1997, 1996 AND 1995

<TABLE>
<CAPTION>

                                                          1997          1996          1995
                                                      -----------    ----------    ----------
<S>                                                   <C>            <C>           <C>
REVENUES . . . . . . . . . . . . . . . . . . . . .    $12,836,953    $8,726,799    $6,925,716
COST OF LABORATORY SERVICES. . . . . . . . . . . .      5,828,665     3,816,114     3,246,470
                                                      -----------    ----------    ----------
    Gross profit . . . . . . . . . . . . . . . . .      7,008,288     4,910,685     3,679,246
                                                      -----------    ----------    ----------
OPERATING EXPENSES:
    Selling. . . . . . . . . . . . . . . . . . . .        654,284       601,945       561,470
    General and administrative . . . . . . . . . .      3,230,117     2,442,602     2,157,410
    Depreciation and amortization. . . . . . . . .        690,268       504,123       232,535
    Asset impairment . . . . . . . . . . . . . . .         --           124,531          --
                                                      -----------    ----------    ----------
        Total operating expenses . . . . . . . . .      4,574,669     3,673,201     2,951,415
                                                      -----------    ----------    ----------
OTHER (EXPENSE) INCOME:
    Interest expense . . . . . . . . . . . . . . .       (230,433)      (67,185)      (29,651)
    Interest income. . . . . . . . . . . . . . . .         78,035        41,208       126,939
    Other income . . . . . . . . . . . . . . . . .          1,146         4,169       323,846
                                                      -----------    ----------    ----------
        Total other (expense) income . . . . . . .       (151,252)      (21,808)      421,134
                                                      -----------    ----------    ----------
        Income from continuing operations
         before income taxes . . . . . . . . . . .      2,282,367     1,215,676     1,148,965

INCOME TAX EXPENSE . . . . . . . . . . . . . . . .        953,264       527,171       474,405
                                                      -----------    ----------    ----------
    Income from continuing operations. . . . . . .      1,329,103       688,505       674,560

DISCONTINUED OPERATION:
    Loss from operations of discontinued clinical
     business, net of tax benefit of $257,904. . .           --        (500,636)         --
    Loss on disposal of clinical business, net of
     tax benefit of $489,420 . . . . . . . . . . .           --        (773,580)         --
                                                      -----------    ----------    ----------
        Net income (loss). . . . . . . . . . . . .      1,329,103      (585,711)      674,560

DIVIDENDS ON PREFERRED STOCK . . . . . . . . . . .           --            --          13,344
                                                      -----------    ----------    ----------
    Net income (loss) available to common
     stockholders. . . . . . . . . . . . . . . . .    $ 1,329,103    $ (585,711)   $  661,216
                                                      -----------    ----------    ----------
                                                      -----------    ----------    ----------
BASIC EARNINGS PER COMMON SHARE:
    Weighted average number of common stock
     shares outstanding. . . . . . . . . . . . . .      3,693,146     3,309,594     3,298,405
                                                      -----------    ----------    ----------
                                                      -----------    ----------    ----------
    Continuing operations. . . . . . . . . . . . .    $      0.36    $     0.21    $     0.20
    Discontinued operation . . . . . . . . . . . .           --           (0.39)         --
                                                      -----------    ----------    ----------

        Total. . . . . . . . . . . . . . . . . . .    $      0.36    $    (0.18)   $     0.20
                                                      -----------    ----------    ----------
                                                      -----------    ----------    ----------
DILUTED EARNINGS PER COMMON SHARE:
    Weighted average number of common stock shares
     and common stock equivalents outstanding. . .      4,325,618     3,954,787     3,843,391
                                                      -----------    ----------    ----------
                                                      -----------    ----------    ----------
    Continuing operations. . . . . . . . . . . . .    $      0.31    $     0.17    $     0.17
    Discontinued operation . . . . . . . . . . . .           --           (0.32)         --
                                                      -----------    ----------    ----------
        Total. . . . . . . . . . . . . . . . . . .    $      0.31    $    (0.15)   $     0.17
                                                      -----------    ----------    ----------
                                                      -----------    ----------    ----------
</TABLE>



                 THE ACCOMPANYING NOTES ARE AN INTEGRAL PART
                 OF THESE CONSOLIDATED FINANCIAL STATEMENTS.


                                         F-12
<PAGE>

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                   CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
                 FOR THE YEARS ENDED DECEMBER 31, 1997, 1996 AND 1995

   
<TABLE>
<CAPTION>

                                                         1997          1996          1995
                                                      -----------    ----------    ----------
<S>                                                   <C>            <C>           <C>
Preferred stock, $0.001 par value, $1 stated value:
    Balance, beginning of period . . . . . . . . .    $      --      $     --      $  300,000
    Redemption of stock (Note 5) . . . . . . . . .           --            --        (300,000)
                                                      -----------    ----------    ----------
        Balance, end of period . . . . . . . . . .           --            --            --
                                                      -----------    ----------    ----------
Common stock, $0.001 par value:
    Balance, beginning of period . . . . . . . . .          3,313         3,298         3,298
    Exercise of common stock warrants
        (Note 11). . . . . . . . . . . . . . . . .          1,501          --            --
    Issuance of stock in connection with
        the settlement of a note payable
        (Note 7) . . . . . . . . . . . . . . . . .            103          --            --
    Other issuance of stock. . . . . . . . . . . .              8            15          --
                                                      -----------    ----------    ----------
        Balance, end of period . . . . . . . . . .          4,925         3,313         3,298
                                                      -----------    ----------    ----------
Paid in capital in excess of par:
    Balance, beginning of period . . . . . . . . .      5,366,027     5,341,667     5,341,667
    Exercise of common stock warrants (Note 11). .      2,677,950          --            --
    Issuance of stock in connection with the
        settlement of a note payable (Note 7). . .        232,396          --            --
    Other issuance of stock. . . . . . . . . . . .         14,992        24,360          --
                                                      -----------    ----------    ----------
        Balance, end of period . . . . . . . . . .      8,291,365     5,366,027     5,341,667
                                                      -----------    ----------    ----------
Retained earnings:
    Balance, beginning of period . . . . . . . . .        280,910       866,621       205,405
    Net income (loss). . . . . . . . . . . . . . .      1,329,103      (585,711)      674,560
    Preferred stock dividends. . . . . . . . . . .           --            --         (13,344)
                                                      -----------    ----------    ----------
        Balance, end of period . . . . . . . . . .      1,610,013       280,910       866,621
                                                      -----------    ----------    ----------
            Total stockholders' equity . . . . . .    $ 9,906,303    $5,650,250    $6,211,586
                                                      -----------    ----------    ----------
                                                      -----------    ----------    ----------

</TABLE>
    

                 THE ACCOMPANYING NOTES ARE AN INTEGRAL PART
                 OF THESE CONSOLIDATED FINANCIAL STATEMENTS.


                                         F-13
<PAGE>

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                        CONSOLIDATED STATEMENTS OF CASH FLOWS

                 FOR THE YEARS ENDED DECEMBER 31, 1997, 1996 AND 1995


<TABLE>
<CAPTION>

                                                         1997           1996          1995
                                                      -----------    ----------    ----------
<S>                                                   <C>            <C>           <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
   Net income (loss) . . . . . . . . . . . . . . .    $ 1,329,103    $ (585,711)   $  674,560
    Adjustments to reconcile net income (loss)
      to net cash provided by operating
       activities--
        Depreciation and amortization. . . . . . .        690,268       550,933       232,535
        Provision for bad debts and other. . . . .         40,000       446,087        84,246
        Gain on sales of assets. . . . . . . . . .            -         (50,000)          -
        Deferred income taxes. . . . . . . . . . .        103,117      (744,936)      (18,694)
        Asset impairment . . . . . . . . . . . . .            -         174,531           -
        Disposal of clinical business. . . . . . .            -       1,263,000           -
        Impact of changes in assets and
         liabilities--
         Accounts receivable . . . . . . . . . . .       (606,246)     (411,079)     (222,300)
         Income tax refund receivable. . . . . . .        275,139       (54,939)        8,600
         Inventories . . . . . . . . . . . . . . .        (10,175)       43,582        (3,745)
         Prepaid expenses and other. . . . . . . .         17,342        64,182       (13,045)
         Accounts payable and accrued
          expenses . . . . . . . . . . . . . . . .       (183,742)     (222,849)       (7,682)
                                                      -----------    ----------    ----------
           Net cash provided by operating
            activities . . . . . . . . . . . . . .      1,654,806       472,801       734,475
                                                      -----------    ----------    ----------
CASH FLOWS FROM INVESTING ACTIVITIES:
    Capital expenditures . . . . . . . . . . . . .     (1,038,561)     (127,915)     (211,886)
    Proceeds from sales of assets. . . . . . . . .            -          50,000           -
    Purchase of PLL customer list. . . . . . . . .     (2,406,593)          -             -
    Purchase of Accu-Path customer list. . . . . .       (101,018)          -             -
    Purchase of NPLI stock, net of cash
     acquired. . . . . . . . . . . . . . . . . . .            -      (1,022,597)          -
    Acquisition costs. . . . . . . . . . . . . . .        (98,569)     (301,816)     (101,826)
                                                      -----------    ----------    ----------
           Net cash used in investing
            activities . . . . . . . . . . . . . .     (3,644,741)   (1,402,328)     (313,712)
                                                      -----------    ----------    ----------
CASH FLOWS FROM FINANCING ACTIVITIES:
    Dividends paid . . . . . . . . . . . . . . . .            -             -         (24,748)
    Redemption of preferred stock. . . . . . . . .            -             -        (300,000)
    Warrant offering costs . . . . . . . . . . . .            -             -         (38,821)
    Net proceeds from exercise of warrants
     and stock options . . . . . . . . . . . . . .      2,733,272          --             -
    Payments on short-term debt. . . . . . . . . .        (91,833)     (598,515)          -
    Payments on long-term debt . . . . . . . . . .       (902,651)     (155,628)      (90,585)
    Proceeds from long-term borrowings, net of
     loan origination fees . . . . . . . . . . . .      2,387,405          --            --
                                                      -----------    ----------    ----------
           Net cash provided by (used in)
            financing activities . . . . . . . . .      4,126,193      (754,143)     (454,154)
                                                      -----------    ----------    ----------
INCREASE (DECREASE) IN CASH AND CASH
 EQUIVALENTS . . . . . . . . . . . . . . . . . . .      2,136,258    (1,683,670)      (33,391)

CASH AND CASH EQUIVALENTS, beginning of period . .        727,381     2,411,051     2,444,442
                                                      -----------    ----------    ----------
CASH AND CASH EQUIVALENTS, end of period . . . . .     $2,863,639      $727,381    $2,411,051
                                                      -----------    ----------    ----------
                                                      -----------    ----------    ----------
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid during the period for interest . . . . .    $   218,298    $  112,698    $   29,651
                                                      -----------    ----------    ----------
                                                      -----------    ----------    ----------
Cash paid during the period for income taxes . . .    $   823,000    $  631,564    $  480,405
                                                      -----------    ----------    ----------
                                                      -----------    ----------    ----------
</TABLE>


                 THE ACCOMPANYING NOTES ARE AN INTEGRAL PART
                 OF THESE CONSOLIDATED FINANCIAL STATEMENTS.


                                         F-14
<PAGE>

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                      NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

                              DECEMBER 31, 1997 AND 1996


1. GENERAL:

Laboratory Specialists of America, Inc. (the "Company" or "LSAI"), an Oklahoma
corporation, was organized in March 1994.  Effective July 8, 1994, and January
2, 1996, respectively, LSAI acquired all of the capital stock of Laboratory
Specialists, Inc. ("LSI"), a Louisiana corporation, and National
Psychopharmacology Laboratory, Inc. ("NPLI"), a Tennessee corporation, and LSI
and NPLI became wholly owned subsidiaries of LSAI.

Through LSI, the Company operates an independent forensic drug testing
laboratory providing integrated drug testing services to corporations and
governmental bodies, by negotiated contract, for detection of illegal drug use
by employees and prospective employees. The Company's customers are primarily in
the construction, transportation, service, mining and manufacturing industries,
principally located in the southeast and southwest United States. See Note 3 for
a discussion of NPLI.

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES:

PRINCIPLES OF CONSOLIDATION

The consolidated financial statements include the accounts of all subsidiary
companies. All material intercompany transactions have been eliminated.

EARNINGS PER COMMON SHARE

The Company adopted the disclosure requirements of Statement of Financial
Accounting Standards ("SFAS") No. 128, "Earnings per Share," during 1997 and
restated all previously presented amounts in conformity with SFAS No. 128. Basic
earnings per common share includes no dilution and is computed by dividing
income available to common stockholders by the weighted-average number of common
stock shares outstanding for the period. Diluted earnings per common share is
computed by dividing income available to common stockholders by the
weighted-average number of common stock shares and common stock equivalents
outstanding which includes the dilutive impact of a convertible note payable and
outstanding warrants and options using the treasury stock method.

The following table summarizes the calculation of basic earnings per common
share and diluted earnings per common share:


                                         F-15
<PAGE>


               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

                              DECEMBER 31, 1997 AND 1996
   
<TABLE>
<CAPTION>


                                                                       FOR THE YEAR ENDED DECEMBER 31,
                                                  ----------------------------------------------------------------------------
                                                          1997                         1996                      1995
                                                  ----------------------       ---------------------      --------------------

                                                  INCOME         SHARES        INCOME        SHARES       INCOME       SHARES
                                                 (NUMER-        (DENOMI-       (NUMER-      (DENOMI-      (NUMER-     (DENOMI-
                                                  ATOR)          NATOR)         ATOR)        NATOR)        ATOR)       NATOR)
                                                  ------         -------       -------      --------      -------     --------
<S>                                               <C>            <C>           <C>          <C>           <C>         <C>
Income from continuing operations............      $1,329,103                    $688,505                   $674,560
   Less--Preferred stock dividends...........          --                           --                        13,344
                                                   ----------                    --------                   --------

BASIC EARNINGS PER COMMON SHARE
Income from continuing operations
     available to common stockholders........       1,329,103      3,693,146      688,505     3,309,594      661,216    3,298,405


Per Common Share Amount......................             $0.36                        $0.21                     $0.20
                                                          -----                        -----                     -----
                                                          -----                        -----                     -----

DILUTED EARNINGS PER COMMON SHARE
Effect of dilutive securities:
    Convertible note payable.................             -           67,662          -         154,303          -              -
    Warrants.................................             -          460,226          -         484,286          -        541,809
    Options..................................             -          104,584          -           6,604          -          3,177
                                                          ---        -------          ---         -----          ---        -----

    Income from continuing operations
     available to common stockholders
     plus assumed conversions................      $1,329,103      4,325,618     $688,505    $3,954,787     $661,216   $3,843,391
                                                   ----------      ---------     --------    ----------     --------   ----------
                                                   ----------      ---------     --------    ----------     --------   ----------

Per Common Share Amount......................             $0.31                        $0.17                     $0.17
                                                          -----                        -----                     -----
                                                          -----                        -----                     -----
</TABLE>
    


During 1997, 66,000 warrants to purchase two shares of common stock at $7.20 per
warrant were outstanding but were not included in the computation of diluted
earnings per common share because the warrants' exercise price was greater than
the average market price of the common shares. Of these warrants, 30,000 were
exercised to purchase 60,000 shares of common stock in November 1997, and the
common shares issued are included as outstanding for the period from exercise
through December 31, 1997, in both the basic earnings per common share and
diluted earnings per common share calculations. The remaining 36,000 warrants,
which expire on October 10, 1999, were outstanding at the end of 1997 (see Note
11).

CASH AND CASH EQUIVALENTS

Cash equivalents consist of all highly liquid debt instruments with an initial
maturity of three months or less at the date of purchase. The Company invests
excess cash overnight in repurchase agreements, which are government
collateralized securities. The carrying amount of cash and cash equivalents
approximates fair value of those instruments due to their short maturity.

INVENTORIES

Inventories consist of supplies of laboratory chemicals and specimen collection
materials. Inventories are valued at the lower of cost or market, using the
first-in, first-out method.

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment are recorded at cost, and are depreciated over the
estimated useful lives of the assets using the straight-line method as follows:


                                         F-16
<PAGE>


               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

                              DECEMBER 31, 1997 AND 1996

<TABLE>
<CAPTION>


                                                             ESTIMATED
                                                           USEFUL LIVES         1997            1996
                                                           ------------     -----------     -----------
     <S>                                                   <C>              <C>             <C>
     Land................................................       N/A         $   169,353     $    29,353
     Building and improvements...........................  7 - 40 Years       1,457,097         867,110
     Equipment...........................................  5 - 12 Years       1,765,377       1,492,633
     Vehicles............................................     5 Years            32,419          32,419
     Furniture and fixtures..............................  5 - 10 Years          76,548          72,032
                                                                            -----------     -----------

                                                                              3,500,794       2,493,547
        Less- Accumulated depreciation and amortization..                    (1,123,909)       (900,948)
                                                                            -----------     -----------

                                                                             $2,376,885      $1,592,599
                                                                            -----------     -----------
                                                                            -----------     -----------
</TABLE>


IMPAIRMENT OF LONG-LIVED ASSETS

Effective January 1, 1996, the Company adopted the provisions of SFAS No. 121,
"Accounting for the Impairment of Long-Lived Assets and for Long-Lived Assets to
Be Disposed Of." This standard requires that long-lived assets, certain
identifiable intangibles and goodwill related to those assets be reviewed for
impairment by asset group for which the lowest level of independent cash flows
can be identified. The adoption of SFAS No. 121 in 1996 resulted in no
adjustment to the consolidated financial statements of the Company. However,
during the fourth quarter of 1996, the Company made a decision to hold for sale
a former laboratory building, which resulted in an impairment of approximately
$111,000 being recorded, which reduced the net book value of the building to
$225,000. The impairment is included in "Asset Impairment" in the accompanying
consolidated income statement.

GOODWILL AND CUSTOMER LISTS

Goodwill is amortized on a straight-line basis over 20 or 40 years and the
customer lists are amortized on a straight-line basis over fifteen years. The
Company continually evaluates whether events and circumstances have occurred
that indicate the remaining estimated useful life of goodwill or the customer
lists may warrant revision or that the remaining unamortized balance of goodwill
or the customer lists may not be recoverable. When factors, such as operating
losses, loss of customers, loss or suspension of laboratory certification for an
extended period, or changes in the drug testing industry, if present, indicate
that goodwill or the customer lists should be evaluated for possible impairment,
the Company uses an estimate of the related undiscounted net cash flows over the
remaining life of the goodwill or the customer lists in measuring whether they
are recoverable. Although management believes that goodwill and the customer
lists are currently recoverable over the respective remaining amortization
periods, it is possible, due to a change in circumstances, that the carrying
value could become impaired in the future. Such impairment could have a material
effect on the results of operations in a particular reporting period.

DEFERRED COSTS

At December 31, 1997, deferred costs of $32,595 related to loan origination fees
for two notes payable to a bank which were issued during 1997. These costs are
being amortized over the related lives of the associated notes payable. Deferred
costs at December 31, 1996, included $38,821 of legal and accounting expenses
incurred in connection with the registration of the Company's outstanding
warrants (see Note 11), $33,523 related to construction in progress, and $8,474
other. In 1997, the deferred registration costs were recorded as a reduction of
the proceeds from the exercise of the warrants. Also in 1997, the Company
transferred the construction in progress to property, plant and equipment and
began depreciating the costs when the related building was placed in use.

EMPLOYEE STOCK OPTION PLAN

                                         F-17
<PAGE>

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

                              DECEMBER 31, 1997 AND 1996


The Company accounts for its employee stock option plan using the intrinsic
value method in accordance with Accounting Principles Board Opinion No. 25,
"Accounting for Stock Issued to Employees" (see Note 10).

INCOME TAXES

Deferred income taxes are provided to reflect the future tax consequences of
differences between the tax bases of assets and liabilities and their reported
amounts in the financial statements.

USE OF ESTIMATES

The preparation of financial statements in conformity with generally accepted
accounting principles requires management to make estimates and assumptions that
affect the reported amounts of assets and liabilities, the disclosure of
contingent assets and liabilities at the date of the financial statements, and
the reported amounts of revenues and expenses during the reporting period.
Actual results could differ from those estimates as additional information
becomes known.

3. BUSINESS ACQUISITIONS:

NATIONAL PSYCHOPHARMACOLOGY LABORATORY, INC.

On January 2, 1996, the Company acquired all of the issued and outstanding
capital stock (the "NPLI Stock") of NPLI, and purchased goodwill (the "NPLI
Goodwill"), pursuant to a Stock Purchase Agreement dated January 1, 1996 (the
"NPLI Purchase Agreement"), and NPLI became a wholly owned subsidiary of the
Company (the "NPLI Acquisition"). NPLI was engaged in forensic drug testing
(urine drug screening with chain of custody) and clinical testing and analysis.

Pursuant to the Purchase Agreement and in connection with the NPLI Acquisition,
the Company (i) agreed to pay $1,585,000 for the NPLI Stock of which $1,075,000
was paid at closing to the shareholders of NPLI (the "NPLI Shareholders"), and
two unsecured promissory notes, with an aggregate adjusted face value of
$510,000, were issued and delivered to the NPLI Shareholders, (ii) agreed to pay
$140,000 for the NPLI Goodwill payable in 24 monthly installments commencing on
February 1, 1996, (iii) assumed net liabilities of NPLI of approximately
$875,000, and (iv) incurred deferred income taxes of approximately $800,000 as a
result of NPLI's tax basis being significantly less than the purchase price of
the NPLI Stock. All of the above resulted in a total purchase price of
approximately $3,400,000, substantially all of which was recorded as intangible
assets.

The forensic portion of NPLI's business was merged into LSI's operation
effective February 1996. The Company intended to sell the clinical business
during 1996, but after negotiations with three potential buyers failed, the
Company shut down the clinical operations effective in the fourth quarter of
1996. The revenues related to the discontinued clinical operation for the year
ended December 31, 1996, were approximately $3,413,000. The related operating
loss and shut down expenses of the clinical business are included in the
accompanying consolidated income statement as "Discontinued Operation" and
"Disposition of Discontinued Operation," respectively. Assuming the acquisition
had occurred at the beginning of 1995, the unaudited consolidated pro forma
results of operations (excluding the clinical business) for the year ended
December 31, 1995, are as follows (in thousands of dollars, except per-share
amounts):

                                                          (UNAUDITED)

<TABLE>

<S>                                                          <C>
Revenues.........................................            $8,626

Net income from continuing operations............              $851
</TABLE>


                                         F-18
<PAGE>
               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

                              DECEMBER 31, 1997 AND 1996


<TABLE>

          <S>                                                                      <C>
          Basic earnings per common share from continuing operations..........     $0.26

          Diluted earnings per common share from continuing operations........     $0.22
</TABLE>

PATHOLOGY LABORATORIES, LTD.

On January 31, 1997, the Company acquired from Pathology Laboratories, Ltd.
("PLL") certain intangible assets pursuant to an Asset Purchase Agreement dated
January 31, 1997. PLL is a privately held corporation. The assets purchased
included the forensic drug testing customer list of PLL and all contracts,
contract rights and agreements, correspondence with the customers for which PLL
has provided forensic drug testing services, and all assets owned by PLL used in
connection with the PLL office in Greenville, South Carolina. Pursuant to the
Purchase Agreement, the Company (i) paid $1,600,000 at closing and (ii) assumed
the obligations of PLL under a certain lease, dated September 16, 1996, which
requires monthly base rental payments of $2,083 and which expires on September
16, 1999. Furthermore, the Company agreed to make four additional quarterly
installment payments to PLL within 60 days following the end of each three-month
period during the twelve months ending January 31, 1998. These quarterly
payments are based on ninety percent of gross revenues directly attributable to
each customer comprising the customer base of PLL for the year ending January
31, 1998, exceeding $1,600,000. Excluding the obligations assumed under the
lease, the Company has estimated the total purchase price will be $2,560,000,
which was allocated entirely to the customer list to be amortized over 15 years.
In the accompanying consolidated balance sheet at December 31, 1997, the Company
has $250,345 accrued for the remainder of the estimated purchase price as
"accrued customer list installment payments." The initial purchase price of
$1,600,000 was financed with additional long-term bank indebtedness. The Company
consolidated the drug testing services with LSI's laboratory in March 1997.

Assuming the acquisition had occurred at the beginning of 1996, the unaudited
consolidated pro forma results of operations for the year ended December 31,
1996, are as follows (in thousands of dollars, except per-share amounts):

<TABLE>
<CAPTION>


                                                                                 (Unaudited)
                                                                                 -----------
     <S>                                                                         <C>
     Revenues............................................................           $11,287

     Net income from continuing operations...............................            $1,093

     Basic earnings per common share from continuing operations..........             $0.33

     Diluted earnings per common share from continuing operations........             $0.28
</TABLE>


ACCU-PATH MEDICAL LABORATORIES, INC.

On December 1, 1997, the Company acquired from Accu-Path Medical Laboratories,
Inc. ("Accu-Path") certain intangible assets pursuant to an Asset Purchase
Agreement dated December 1, 1997. Accu-Path is a privately held corporation. The
assets purchased included the forensic drug testing customer list of Accu-Path,
all contracts and contract rights for the providing of drug testing services,
and certain of the assets owned by Accu-Path used in connection with the
Accu-Path office in Ruston, Louisiana. The purchase price for these assets was
established as 180% of the collected and collectible forensic drug testing
customer list revenues during the period from June 1998 through November 1998.
The Company paid $100,000 at closing and will pay within 30 days following the
end of each three-month period after closing, 50% of the forensic testing
revenue for each of the first three quarters. The remaining purchase price
balance will be paid through four quarterly installment payments with the first
of such payments due 30 days following the end of the first twelve-month
anniversary date of the acquisition. The Company has estimated the total
purchase price will be $360,000, which was allocated entirely to the customer
list to be amortized over 15 years. In the accompanying consolidated balance
sheet at December 31, 1997, the Company has $260,000 accrued for the remainder
of the estimated purchase price as "accrued customer list installment payments."

                                         F-19
<PAGE>

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

                              DECEMBER 31, 1997 AND 1996


The Company consolidated the drug testing services with LSI's laboratory in
December 1997. Had the acquisition occurred at the beginning of 1997, the
Company's results of operations for the year ended December 31, 1997, would not
have been materially different from those presented in the accompanying
consolidated statement of income.

4. OTHER INCOME:

Other income, as reflected in the consolidated statement of income for the year
ended December 31, 1995, includes proceeds of $320,000 received from the
settlement of litigation brought by LSI.

5. TRANSACTIONS WITH RELATED PARTIES:

During the years 1997, 1996 and 1995, LSAI incurred approximately $170,000,
$30,000 and $130,000, respectively, for legal services rendered by a director of
the Company who also serves as legal counsel for the Company. Management
believes that the amounts incurred approximate those which would have been paid
to unrelated parties for the same services.

In 1994, LSI issued a note payable in the amount of $353,123 to MBf USA, Inc.
("MBf") in connection with LSI's President and former owner, Arthur R. Peterson,
Jr.'s acquisition of LSI's common stock. Peterson later exchanged all of the
outstanding common stock of LSI for 1,000,000 shares of common stock and 300,000
shares of Series I Cumulative Redeemable Convertible Preferred Stock (the
"Series I Preferred Stock") of LSAI. The Series I Preferred Stock was entitled
to annual cumulative dividends based upon the national prime rate which
initially was 6.75% subject to a maximum 2% rate increase or decrease
adjustment. LSAI redeemed the Series I Preferred Stock in July 1995 at $1.00 per
share totaling $300,000.

6. LINE OF CREDIT:

In December 1995, LSI entered into a $1 million line of credit arrangement,
which matured in December 1996. The line of credit was renewed for $250,000 in
January 1997, maturing in January 1998, with an interest rate equal to the
Citibank N.A. rate, which was 8.25% at the date of renewal. LSAI is a guarantor
of any balances outstanding under the line of credit, which is collateralized by
LSI's accounts receivable, intangibles, inventories, equipment, and furniture
and fixtures. No borrowings were made against the line of credit during 1997,
and no balance was outstanding as of December 31, 1997.

7. DEBT:

Short-term debt at December 31, 1996, consisted of notes payable to the former
shareholders of NPLI with a recorded amount of $334,460, representing the
discounted value of approximately 153,282 shares reserved for issuance pursuant
to the NPLI Purchase Agreement. The Company did not issue and deliver these
shares to the former shareholders during 1996, based upon certain
representations made by the NPLI Shareholders which the Company believed to have
been misleading and false at the closing of the NPLI Acquisition. In August
1997, 103,333 shares of stock were issued to the NPLI shareholders to settle the
note payable. The issuance of these shares of common stock has been excluded
from the accompanying consolidated statement of cash flows as it is a non-cash
transaction. The remaining short-term debt at December 31, 1996, of $75,833
related to the note payable for NPLI Goodwill (see Note 3), was paid in 1997.

Long-term debt consists of the following at December 31, 1997 and 1996:

<TABLE>
<CAPTION>


                                                                                         1997            1996
                                                                                      -----------     -----------
<S>                                                                                   <C>             <C>
Note payable to MBf, due February 1999, interest rate 7%,
    collateralized by substantially all of the assets of LSI (see Note 5)...........  $   353,123     $   353,123

Note payable for purchase of laboratory building....................................           --         450,000
Capital lease agreement with Boehringer-Mannheim Corporation........................      442,567         560,652
</TABLE>



                                         F-20
<PAGE>

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

                              DECEMBER 31, 1997 AND 1996


<TABLE>


<S>                                                                                     <C>                  <C>
Note payable to a bank bearing interest at 8.65%, with principal and
    interest payable monthly through June 2002 and the balance of principal and
    interest due in a balloon payment in July 2002,
    collateralized by substantially all of the assets of LSI.......................        697,101                  --

Term loan with a bank bearing interest at the prime rate plus 0.5% (9.0% at
    December 31, 1997), with principal and interest payable monthly through
    January 2002, collateralized by substantially all
    of the assets of LSI...........................................................      1,388,333                  --
                                                                                        ----------           ----------
           Total long-term debt....................................................      2,881,124            1,363,775
           Less- Current portion...................................................       (527,696)            (118,085)
                                                                                        ----------           ----------

                                                                                        $2,353,428           $1,245,690
                                                                                        ----------           ----------
                                                                                        ----------           ----------
</TABLE>



In late 1996, the Company purchased a building to be renovated for its new
laboratory. The purchase was financed by a note payable to the seller due in
June 1997, with no stated interest rate. This was a noncash transaction and was
excluded from the accompanying 1996 consolidated statement of cash flows. In
1996, this note payable to the seller was classified as long-term based on a
written commitment from a bank to refinance the purchase and construction costs
up to the lesser of 80% of appraised value or cost, not to exceed $720,000. Upon
maturity in 1997, the note was refinanced through a note payable to a bank.

During February 1996, LSI entered into an agreement with Boehringer-Mannheim
Corporation through February 2001, to purchase equipment and certain lab
supplies at a fixed price, per drug screen performed. The agreement resulted in
the Company recording approximately $650,000 in additional equipment, with an
equal amount recorded as a capital lease obligation payable over five years. The
amortization of the capital lease assets is included in depreciation expense in
the accompanying consolidated statements of income. The total monthly payment
through November 1996 was $46,740. The agreement was amended during December
1996, due to increased drug testing volumes and the new monthly payment became
$59,750, with $13,223 allocated to the principal and interest of the capital
lease obligation, and the remaining cost allocated to the cost of laboratory
supplies. In July 1997, due to further increases in drug testing volumes, the
original lease term was extended from five years to six years and additional
equipment was added. The total monthly payment and capital lease obligation did
not change as a result of this amendment, and the portion of the monthly payment
which is allocated to the principal and interest of the capital lease obligation
during the first five years of the agreement will be treated as equipment rental
expense during the sixth year. The future minimum lease payments related to this
obligation are as follows:

<TABLE>
<CAPTION>


                                                                  CAPITAL       OPERATING
                                                                 --------      ----------
          <S>                                                    <C>           <C>
          1998..............................................     $158,670      $  558,330
          1999..............................................      158,670         558,330
          2000..............................................      158,670         558,330
          2001..............................................       26,446         690,555
          2002..............................................       --             119,500
                                                                 --------      ----------

                                                                  502,456       2,485,045

          Less- Interest on capital lease obligation........       59,889             --
                                                                 --------      ----------

          Total future minimum lease payments...............     $442,567      $2,485,045
                                                                 ========      ==========
</TABLE>


8. INCOME TAXES:


                                         F-21
<PAGE>

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

                              DECEMBER 31, 1997 AND 1996


Prior to 1995, the Company had no material differences between the tax bases of
assets and liabilities and their reported amounts in the financial statements,
except for certain goodwill which is not deductible for tax purposes, and
treated as a permanent difference.

The 1997, 1996 and 1995 provision (benefit) for income taxes on income from
continuing operations is summarized below:

<TABLE>
<CAPTION>


                                                        1997         1996         1995
                                                      --------     --------     --------
               <S>                                    <C>          <C>          <C>
               U.S. Federal--
                    Current....................       $690,916     $581,467     $390,008
                    Deferred...................         57,829     (166,115)      (8,735)
                                                      --------     --------     --------

                                                       748,745      415,352      381,273

               State...........................        204,519      111,819       93,132
                                                      --------     --------     --------

                              Total............       $953,264     $527,171     $474,405
                                                      --------     --------     --------
                                                      --------     --------     --------
</TABLE>


The results of the discontinued operation for the year ended December 31, 1996,
include a tax benefit of $747,324.

Deferred tax liabilities (assets) at December 31, 1997 and 1996, are composed of
the following:

<TABLE>
<CAPTION>


                                                                1997          1996
                                                              ---------     ---------
          <S>                                                 <C>           <C>
          Net current deferred tax asset:
            Allowance for doubtful accounts                   $(133,660)    $(134,273)
            Accrued liabilities                                 (58,564)     (105,180)
            Deferred taxable revenue, short-term                  4,848        28,375
            Customer list, net of amortization, short-term       26,667           --
                                                              ---------     ---------

                                                               (160,709)     (211,078)
                                                              ---------     ---------

          Net non-current deferred tax liability:
            Accelerated depreciation                             42,515       (69,748)
            Customer list, net of amortization, long-term       317,333       372,000
            Deferred taxable revenue, long-term                     --          4,848
                                                              ---------     ---------

                                                                359,848       307,100
                                                              ---------     ---------

            Total deferred taxes                              $ 199,139     $  96,022
                                                              ---------     ---------
                                                              ---------     ---------
</TABLE>


In the following table, the U.S. Federal income tax rate is reconciled to the
Company's 1997, 1996 and 1995 effective tax rates from continuing operations for
income as reflected in the consolidated statements of income.

<TABLE>
<CAPTION>

                                                  1997      1996      1995
                                                 ------    ------    ------
          <S>                                    <C>       <C>       <C>
          U.S. statutory rate.................    34.0%     34.0%     34.0%
            Increases resulting from--
               State income taxes.............     6.1       6.1       5.4
               Goodwill amortization..........     1.5       2.9       1.2
               Other..........................     0.2       0.4       0.7
                                                  ----      ----      ----

                                                  41.8%     43.4%     41.3%
                                                  ----      ----      ----
                                                  ----      ----      ----
</TABLE>

9. COMMITMENTS AND CONTINGENCIES:

                                         F-22
<PAGE>

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

                              DECEMBER 31, 1997 AND 1996


CONTINGENT LIABILITIES

Incidental to its business, the Company from time to time is sued by individuals
who have tested positive for drugs of abuse, generally arising from LSI's
alleged failure to properly administer drug urinalysis tests. LSI is currently a
defendant in several such lawsuits. Based upon prior successful defense of
similar-type lawsuits, the Company believes it has valid defenses to each of
such lawsuits, and intends to vigorously defend itself in such actions. Although
LSI maintains insurance to protect itself against such liability, and LSI's
insurance carriers have assumed the defense of LSI in connection with certain
actions, the extent of such insurance coverage is limited, both in terms of
types of risks covered by the policies and the amount of coverage. In the
opinion of the Company's management and its legal counsel, these suits and
claims should not result in judgments or settlements which would have a material
adverse effect on the Company's results of operations or financial position.
Although LSI has not experienced any material liability related to such claims,
there can be no assurance that LSI, and possibly LSAI, will not at some time in
the future experience significant liability in connection with such claims and
such liability may exceed the extent of such insurance coverage, both in terms
of risks covered by the policies and the amount of coverage, which could have a
material effect on the results of operations and financial condition of the
Company.

CERTIFICATION

The Company's laboratory is certified by the Substance Abuse and Mental Health
Services Administration ("SAMHSA"), the successor to the National Institute on
Drug Abuse, as well as certain state and local jurisdictions. Certification by
SAMHSA is essential to the Company's business, as certain clients are required
to use certified laboratories, and many of its clients look to certification as
an indication of reliability and accuracy of tests. In order to remain
certified, the Company is subject to frequent inspections and proficiency tests.
Failure to meet any of the numerous certification requirements could result in
suspension or loss of certification. Such suspension or loss of certification
could have a material adverse effect on the Company.

EMPLOYMENT AGREEMENTS

LSAI has written employment agreements with its President and its Chief
Executive Officer which provide, among other things, the following: (i) a term
of four years from April 16, 1996, which automatically extends one additional
year after each year of service; (ii) a base salary of $112,500 each; (iii)
bonuses at the discretion of the Board of Directors not to exceed 10 percent of
the net income of LSAI; (iv) eligibility for stock options under LSAI's stock
option plans (see Note 10); and (v) health and disability insurance benefits and
life insurance of $500,000. Subsequent to December 31, 1997, these agreements
were verbally amended to increase the base salary to $114,750 each. The
agreements also restrict the right to participate in other activities outside of
LSAI to the extent such activities conflict with the ability to perform duties
and that would violate duty and loyalty to LSAI.

LSI has a written employment agreement with its President which provides, among
other things, the following: (i) a term of four years from April 16, 1996, which
automatically extends one additional year after each year of service; (ii) a
base salary of $125,000, (iii) a bonus equal to 10 percent of the pre-tax income
of LSAI, not to exceed $50,000; (iv) eligibility for stock options under LSAI's
stock option plans (see Note 10); and (v) health and disability insurance
benefits and life insurance of $1,000,000. Subsequent to December 31, 1997, this
agreement was verbally amended to increase the base salary to $127,500. The
agreement requires the President to devote his full time and attention to the
business of LSI.

LSI has verbal employment agreements with five key employees which provide,
among other things, the following: (i) bonuses equal to one percent of the
pre-tax income of LSI or equal to one percent of the net income of LSAI; (ii)
other bonuses at the discretion of the Board of Directors; (iii) eligibility for
stock options under LSAI's stock option

                                         F-23
<PAGE>

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

                              DECEMBER 31, 1997 AND 1996


plans (see Note 10); and (iv) eligibility for health, disability and life
insurance benefits on the same terms as other employees. Additionally, LSI has a
written employment severance agreement with one of these employees providing for
salary continuation for a period of twelve months upon termination for any
reason other than cause. The agreements require the five key employees to devote
their full time and attention to the business of LSI.

JUDICIAL DECISIONS AND GOVERNMENT POLICY

Employee drug testing by federal agencies and certain private employers is
subject to regulation by certain federal agencies. Legislation currently exists
in a number of states regulating the circumstances under which employers may
test employees and the procedures under which such tests must be conducted. In
addition, the circumstances under which drug testing can legally be required by
employers is subject to court precedent and judicial review.

HAZARDOUS MATERIALS

Certain testing procedures employed by the Company require the use of hazardous
materials. Failure to comply with current or future federal, state or local
environmental laws or regulations could have a material adverse effect on the
Company.

10. STOCK OPTION PLANS:

LSAI established the 1994 Stock Option Plan (the "1994 Plan") on May 10, 1994.
On October 30, 1996, the 1994 Plan was amended, and the total number of shares
of common stock authorized and reserved for issuance was increased from 225,000
to 425,000. The 1994 Plan provides for the issuance of both incentive stock
options ("ISO Options") and nonqualified stock options with or without stock
appreciation rights ("SARs") to directors, executive officers, key employees and
independent contractors and consultants of the Company and its subsidiaries. ISO
Options may be granted only to employees of the Company and its subsidiaries.

On October 1, 1997, LSAI established the 1997 Non-Qualified Stock Option Plan
(the "1997 Plan"), with 400,000 shares of common stock authorized to be granted.
The 1997 Plan provides for the issuance of non-qualified stock options, with
stock appreciation rights attached, to directors, executive officers, key
employees and independent contractors and consultants of the Company and its
subsidiaries.

The Board of Directors interprets both Plans and establishes certain committees
to administer the Plans. These committees or the Board of Directors have
authority to grant options to all eligible employees and determine the types of
options granted, with or without SARs, the terms, restrictions and conditions of
the options at the time of grant, and whether SARs, if granted, are exercisable
at the time of the exercise of the option to which the SAR is attached. Under
both Plans, the option price of the common stock is determined by the Board of
Directors or the various committees. The price may not be less than 85% of the
fair market value of the shares on the date of the grant of the option, with the
exception of ISO options, which may not be less than the fair market value of
the shares on the date of grant. The Company's stock options are fixed-price
options generally granted at the fair market value of the underlying common
stock on the date of grant. Generally, the options vest and become exercisable
six months from the grant date and expire five to ten years after the grant
date.


                                         F-24
<PAGE>

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

                              DECEMBER 31, 1997 AND 1996


The following table shows the activity for options issued under the Plans as
well as other options issued:

<TABLE>
<CAPTION>


                                                                     1994 PLAN AND
                                                                  OTHER OPTIONS ISSUED                  1997 PLAN
                                                              ----------------------------     ----------------------------
                                                                               WEIGHTED                         WEIGHTED
                                                                                AVERAGE                          AVERAGE
                                                                            EXERCISE PRICE                   EXERCISE PRICE
                                                              OPTIONS         PER OPTION       OPTIONS         PER OPTION
                                                              -------       --------------     -------       --------------
     <S>                                                      <C>           <C>                <C>           <C>
     Balance outstanding December 31, 1994..........             --              --              --                --
        Options granted.............................           125,000            3.00           --                --
                                                              --------                         -------      
                                                                                                            
     Balance outstanding December 31, 1995..........           125,000            3.00           --                --
        Options granted.............................           185,000            2.75           --                --
                                                              --------                         -------      
                                                                                                            
     Balance outstanding December 31, 1996..........           310,000            2.85           --                --
        Options cancelled...........................          (250,000)           2.82           --                --
        Options granted.............................           250,000            2.00         340,000            3.18
        Options exercised...........................            (7,500)           2.00           --                --
                                                              --------                         -------

     Balance outstanding December 31, 1997..........           302,500            2.20         340,000            3.18
                                                              --------                         -------
                                                              --------                         -------

        Options exercisable--
             December 31, 1995......................            10,000            3.00           --                --
             December 31, 1996......................           125,000            3.00           --                --
             December 31, 1997......................           302,500            2.20           --                --
</TABLE>


Following is the range of exercise prices, the weighted-average remaining life
of all stock options outstanding at December 31, 1997, and the weighted-average
price within each price range of those options outstanding and those options
exercisable at December 31, 1997.


<TABLE>
<CAPTION>


                                                                                      OPTIONS EXERCISABLE AT
                      OPTIONS OUTSTANDING AT DECEMBER 31, 1997                           DECEMBER 31, 1997
          -------------------------------------------------------------------       --------------------------
                                             WEIGHTED-
                                              AVERAGE            WEIGHTED-                        WEIGHTED-
                            EXERCISE         REMAINING            AVERAGE                          AVERAGE
                              PRICE         CONTRACTUAL        EXERCISE PRICE                   EXERCISE PRICE
          OPTIONS          PER OPTION       LIFE (YEARS)         PER OPTION         OPTIONS       PER OPTION
          -------          ----------       ------------       --------------       -------     --------------
          <S>              <C>              <C>                <C>                  <C>         <C>
          242,500               $2.00               9.3                 $2.00       242,500              $2.00
           60,000                3.00               2.9                  3.00        60,000               3.00
          340,000                3.18               9.8                  3.18         --                    --
          -------                                                                   -------

          642,500           2.00-3.18               8.9                  2.72       302,500               2.20
          -------                                                                   -------
          -------                                                                   -------
</TABLE>


SFAS No. 123, "Accounting for Stock-Based Compensation," prescribes a fair-value
method of accounting for employee stock options under which compensation expense
is measured based on the estimated fair value of stock options at the grant date
and recognized over the period that the options vest. The Company will continue
to account for its stock option plans under the optional intrinsic value method
of APB No. 25, whereby no compensation expense is recognized for fixed-price
stock options with a grant price equal to or in excess of the fair market value
of the underlying stock at the grant date. Had compensation expense been
determined in accordance with SFAS No. 123,

                                         F-25
<PAGE>

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

                              DECEMBER 31, 1997 AND 1996


the estimated weighted-average, grant-date fair value would have been $0.94,
$1.14 and $1.23 per option for those options granted in 1997, 1996 and 1995,
respectively, and the resulting compensation expense would have reduced net
income and earnings per share as shown in the following pro forma amounts. These
amounts may not be representative of compensation expense that might be expected
to result in future years using the fair-value method of accounting for employee
stock options, as the number of options granted in a particular year may not be
indicative of the number of options granted in future years.

<TABLE>
<CAPTION>


                                                           1997           1996          1995
                                                        ----------     ----------     --------
          <S>                                           <C>            <C>            <C>
          Net income (loss) available for
             common stockholders:
             As reported.....................           $1,329,103     $(585,711)     $661,216
             Pro forma.......................            1,053,706      (673,516)      614,771

          Earnings (loss) per share:
             Basic, as reported..............           $     0.36     $   (0.18)     $   0.20
             Diluted, as reported............                 0.31         (0.15)         0.17
             Basic, pro forma................                 0.29         (0.20)         0.19
             Diluted, pro forma..............                 0.24         (0.17)         0.16
</TABLE>



The fair value of each option granted in 1997, 1996 and 1995 was estimated as of
the grant date using the Black- Scholes option pricing model with the following
weighted-average assumptions:

<TABLE>
<CAPTION>

                                                 1997       1996      1995
                                                ------     ------    ------
          <S>                                   <C>        <C>       <C>
          Expected life (years)..............      5          5         5
          Risk-free interest rate............      6%         6%        6%
          Expected dividend yield............     --         --        --
          Expected volatility................     38%        35%       35%
</TABLE>

11. COMMON STOCK WARRANTS:

In connection with the Company's public offering on October 11, 1994, the
Company issued 660,000 warrants. No warrants had been exercised at December 31,
1996. Until April 15, 1997, each warrant could be exercised to purchase two
shares of common stock for $3.50 per share. After April 15, 1997, each warrant
could be exercised to purchase two shares of common stock for $2.00 per share.
On September 3, 1997, LSAI gave notice to the holders of these warrants of the
Company's election to redeem the outstanding warrants at $0.01 each on October
14, 1997, unless extended, at the sole discretion of the Company, to a date not
later than November 7, 1997 (the "Warrant Redemption"). As a result, 658,290 of
the warrants were exercised in September and October 1997, and the remaining
1,710 warrants were redeemed.

As a portion of the public offering underwriting compensation, the Company also
issued warrants to purchase 66,000 units at $7.32 per unit, consisting of two
shares of common stock and one warrant for two additional shares of common
stock, exercisable during a four-year period commencing on October 11, 1995 (the
"Underwriter Warrants"). The warrants included within each unit were exercisable
under the same terms as the warrants issued in connection with the public
offering as described above. As a result of the Warrant Redemption, 62,000 of
these warrants were exercised for $0.12 per warrant plus $2.00 per share in
September and October 1997, and the remaining 4,000 warrants were redeemed.
After the Warrant Redemption, the holders of the Underwriter Warrants continue
to have the right to exercise the Underwriter Warrants with respect to the two
shares of common stock comprising the unit for $7.20. In

                                         F-26
<PAGE>

               LABORATORY SPECIALISTS OF AMERICA, INC. AND SUBSIDIARIES


                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

                              DECEMBER 31, 1997 AND 1996


November 1997, 30,000 of the Underwriter Warrants were exercised with respect to
the two shares of common stock comprising the unit for $7.20. The remaining
36,000 of the Underwriter Warrants with respect to the two shares of common
stock had not been exercised and were outstanding at December 31, 1997. The
proceeds from the exercise of all warrants during 1997 are included in "net
proceeds from exercise of warrants and stock options" in the accompanying
consolidated statement of cash flows and was approximately $2.7 million, net of
commissions and other offering expenses.

In connection with the Warrant Redemption, LSAI issued warrants to purchase
144,058 shares of common stock to various investment bankers as a portion of
their compensation for serving as managers of the Warrant Redemption and certain
other services. These warrants have an exercise price per share of $2.20 and
expire on October 14, 2000. Both the number of shares and the exercise price per
share are subject to adjustment under certain circumstances. The value of these
warrants, recognized as compensation paid to the investment bankers for services
provided, was treated as a reduction in the recognized net proceeds to the
Company from the Warrant Redemption. The value of the outstanding warrants is
included in paid in capital in excess of par and entirely offsets the recognized
compensatory value of the warrants, resulting in no net effect on stockholders'
equity.


                                         F-27
<PAGE>


- ----------------------------------------------------------------
- ----------------------------------------------------------------

   NO DEALER, SALESMAN OR OTHER PERSON HAS BEEN
AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATION NOT CONTAINED IN THIS PROSPECTUS, AND,
IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATIONS
MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY
THE COMPANY OR BY ANY OF THE UNDERWRITERS.  THIS
PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL, OR A
SOLICITATION OF AN OFFER TO BUY, BY ANY PERSON IN ANY
JURISDICTION IN WHICH SUCH OFFER OR SOLICITATION IS NOT
AUTHORIZED, OR IN WHICH THE PERSON MAKING SUCH OFFER
OR SOLICITATION IS NOT QUALIFIED TO DO SO, OR TO ANY
PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH AN OFFER
OR SOLICITATION.  NEITHER THE DELIVERY OF THIS
PROSPECTUS NOR ANY SALE MADE HEREUNDER SHALL, UNDER
ANY CIRCUMSTANCE, CREATE ANY IMPLICATION THAT THERE
HAS BEEN NO CHANGE IN THE AFFAIRS OF THE COMPANY
SINCE THE DATE HEREOF.

                         ------------


                       TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                           PAGE
                                                           ----
<S>                                                        <C>
Prospectus Summary.........................................   3
Risk Factors...............................................   6
The Company................................................  10
Use of Proceeds............................................  13
Selling Shareholders.......................................  14
Price Range of Common Stock; Dividends.....................  15
Capitalization.............................................  16
Selected Financial Information.............................  17
Management's Discussion and
    Analysis of Financial Condition
    and Results of Operations..............................  18
Business...................................................  25
Management.................................................  32
Certain Transactions.......................................  37
Security Ownership of Certain
    Beneficial Owners and Management.......................  38
Description of Securities..................................  39
Shares Eligible for Future Sale............................  40
Plan of Distribution.......................................  43
Legal Matters..............................................  43
Experts....................................................  43
Index to Financial Statements.............................. F-1

</TABLE>


                         ------------



- ----------------------------------------------------------------
- ----------------------------------------------------------------



- ----------------------------------------------------------------
- ----------------------------------------------------------------



                          716,650
                          SHARES

                       COMMON STOCK






                  LABORATORY SPECIALISTS

                     OF AMERICA, INC.




                       ------------

                        PROSPECTUS

                       ------------




  Any requests for information concerning the Offering
may be made by calling the Company's office at (405)
232-9800 or by writing to Laboratory Specialists of
America, Inc., 101 Park Avenue, Suite 810, Oklahoma
City, Oklahoma 73102, Attention: Larry E. Howell.


                        -----------



                          , 1998






- ----------------------------------------------------------------
- ----------------------------------------------------------------



<PAGE>
                                       PART II

                        INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 24.  INDEMNIFICATION OF DIRECTORS AND OFFICERS

     Section 1031 of the Oklahoma General Corporation Act permits (and
Registrant's Certificate of Incorporation and Bylaws, which are incorporated by
reference herein, authorize) indemnification of directors and officers of
Registrant and officers and directors of another corporation, partnership, joint
venture, trust or other enterprise who serve at the request of Registrant,
against expenses, including attorneys fees, judgments, fines and amount paid in
settlement actually and reasonably incurred by such person in connection with
any action, suit or proceeding in which such person is a party by reason of such
person being or having been a director or officer of Registrant or at the
request of Registrant, if he conducted himself in good faith and in a manner he
reasonably believed to be in or not opposed to the best interests of Registrant,
and, with respect to any criminal action or proceeding, had no reasonable cause
to believe his conduct was unlawful.  Registrant may not indemnify an officer or
a director with respect to any claim, issue or matter as to which such officer
or director shall have been adjudged to be liable to Registrant, unless and only
to the extent that the court in which such action or suit was brought shall
determine upon application that, despite the adjudication of liability but in
view of all the circumstances of the case, such person is fairly and reasonably
entitled to indemnity for such expenses which the court shall deem proper.  To
the extent that an officer or director is successful on the merits or otherwise
in defense on the merits or otherwise in defense of any action, suit or
proceeding with respect to which such person is entitled to indemnification, or
in defense of any claim, issue or matter therein, such person is entitled to be
indemnified against expenses, including attorney's fees, actually and reasonably
incurred by him in connection therewith.

     The circumstances under which indemnification is granted with an action
brought on behalf of Registrant are generally the same as those set forth above;
however, expenses incurred by an officer or a director in defending a civil or
criminal action, suit or proceeding may be paid by the Corporation in advance of
final disposition upon receipt of an undertaking by or on behalf of such officer
or director to repay such amount if it is ultimately determined that such
officer or director is not entitled to indemnification by Registrant.

     These provisions may be sufficiently broad to indemnify such persons for
liabilities arising under the Securities Act of 1933, as amended (the "Act").

ITEM 25.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION
<TABLE>
    <S>                                                          <C>
     S.E.C. Registration Fees. . . . . . . . . . . . . . . . . .  $
     N.A.S.D. Filing Fees. . . . . . . . . . . . . . . . . . . .
     *State Securities Laws (Blue Sky) Legal Fees. . . . . . . .        5,000.00
     *State Securities Laws Filing Fees. . . . . . . . . . . . .        2,000.00
     *Printing and Engraving . . . . . . . . . . . . . . . . . .        1,000.00
     *Legal Fees . . . . . . . . . . . . . . . . . . . . . . . .       15,100.00
     *Accounting Fees and Expenses . . . . . . . . . . . . . . .        5,000.00
     *Transfer and Warrant Agent's Fees. . . . . . . . . . . . .          200.00
     *Miscellaneous. . . . . . . . . . . . . . . . . . . . . . .          200.00
                                                                  --------------
          Total. . . . . . . . . . . . . . . . . . . . . . . . .      $28,500.00
                                                                  --------------
                                                                  --------------

</TABLE>
- ----------------------------------------
*Estimated

ITEM 26.  RECENT SALES OF UNREGISTERED SECURITIES.

     Pursuant to the Stock Purchase Agreement with National Psychopharmacology
Laboratory, Inc., Haroutune K. Dekirmenjian and Kenneth O. Jobson, dated January
1, 1996, and the Settlement Agreement and General Release, Registrant issued
103,333 shares of Common Stock to Haroutune K. Dekirmenjian and Kenneth O.
Jobson on August 25, 1997.

                                       II-1

<PAGE>

     On June 4, 1998, Registrant sold (i) warrants to Jesup & Lamont Securities
Corporations for net proceeds to Registrant of $55, such warrants are
exercisable for the purchase of 55,522 shares of Registrant's common stock, and
(ii) 555,222 shares of Registrant's Common Stock, to the following persons:
 
<TABLE>
<CAPTION>
                                                               PURCHASE    NUMBER OF
                                                  DATE OF      PRICE PER    SHARES        NET
 NAME                                             PURCHASE       SHARE     PURCHASED   PROCEEDS(1)
- -----                                             --------     ---------   ---------   -----------
<S>                                               <C>          <C>         <C>         <C>
 Special Situations Private Equity Fund, LP  .     6/4/98        $4.50      222,222     $929,999
 Pequot Scout Fund, LP . . . . . . . . . . . .     6/4/98         4.50      200,000      837,000
 Julius O. Luck  . . . . . . . . . . . . . . .     6/4/98         4.50        2,000        8,370
 Paul S. Vanderwerf  . . . . . . . . . . . . .     6/4/98         4.50        1,000        4,058
 KDP Enterprises . . . . . . . . . . . . . . .     6/4/98         4.50       10,000       41,850
 Metropolis Equity Fund  . . . . . . . . . . .     6/4/98         4.50       10,000       41,850
 Ralph Mandarino . . . . . . . . . . . . . . .     6/4/98         4.50        5,000       20,925
 David Herzog  . . . . . . . . . . . . . . . .     6/4/98         4.50        5,000       20,925
 Alfred Aysseh . . . . . . . . . . . . . . . .     6/4/98         4.50       40,000      167,400
 Alain Aysseh  . . . . . . . . . . . . . . . .     6/4/98         4.50       10,000       41,850
 OT Finance SA . . . . . . . . . . . . . . . .     6/4/98         4.50       15,000       62,775
 Merl Trust  . . . . . . . . . . . . . . . . .     6/4/98         4.50        7,000       29,295
 The Lucien I. Levy Revocable Living Trust . .     6/4/98         4.50        5,000       20,925
 Elvire Levy . . . . . . . . . . . . . . . . .     6/4/98         4.50        5,000       20,925
 Michele Spycher . . . . . . . . . . . . . . .     6/4/98         4.50        3,000       12,555
 William H. Duling and Susan E. Duling . . . .     6/4/98         4.50        5,000       20,925
</TABLE>
- ------------------------
(1)  Commissions equal to seven percent of the Purchase Price Per Share were
     paid to Jesup & Lamont Securities Corporation.

     Registrant relied on Rule 506, Rule 144A and Section 4(2) of the Securities
Act of 1933 for exemption from the registration requirements of such Act.  Each
investor was furnished information concerning the operations of Registrant, and
each had the opportunity to verify the information supplied.  Additionally,
Registrant obtained a signed representation from each of the foregoing persons
in connection with the purchase of the Common Stock of his, her or its intent to
acquire such Common Stock for the purpose of investment only, and not with a
view toward the subsequent distribution thereof; each of the certificates
representing the Common Stock of Registrant was stamped with a legend
restricting transfer of the securities represented thereby, and Registrant
issued stop transfer instructions to  UMB Bank Oklahoma, the Transfer Agent for
the Common Stock of the Company, concerning all certificates representing the
Common Stock held by the aforementioned shareholders of Registrant.

ITEM 27.  EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

     EXHIBIT NO.
     -----------
   
      2.1 Form of Warrant Certificate evidencing warrants sold to 
          Jesup & Lamont Securities Corporation, dated June 4, 1988.*
    
   
      2.2 The Registration Rights Agreement with Jesup & Lamont Securities
          Corporation and the Selling Shareholders identified in the Prospectus,
          dated June 4, 1998.
    
   
      2.3 The Selling Agreement with Jesup & Lamont Securities Corporation,
          dated June 4, 1988. 
    
                                       II-2

<PAGE>

      3.1   Registrant's Certificate of Incorporation.(3)

      3.2   Registrant's Bylaws.(3)

      4.1   Form of Certificate of Common Stock of Registrant.(6)

      4.2   Laboratory Specialists of America, Inc. 1994 Stock Option Plan, as
            amended and restated October 30, 1996.(3)
   
      4.3   Laboratory Specialists of America, Inc. 1997 Non-Qualified Stock
            Option Plan.*
    
      4.4   Form of Warrant for Purchase of Common Stock issued to Barber &
            Bronson, Incorporated and its designees.(2)

      4.5   Common Stock Purchase Warrant issued to The Equity Group, Inc.,
            dated December 1, 1995.(2)
   
      4.6   Laboratory Specialists of America, Inc. 1997 Non-Qualified Stock 
            Option Plan, as amended and restated July 20, 1998.
    
   
      5.1   Opinion of Dunn Swan & Cunningham, A Professional Corporation,
            counsel to Registrant, regarding legality of the securities covered
            by this Registration Statement.*
    
     10.1   The Asset Purchase Agreement between the Registrant and Pathology
            Laboratories, Ltd., dated January 31, 1997.(1)

     10.2   Amendment to Asset Purchase Agreement between Registrant and
            Pathology Laboratories, Ltd., dated July 30, 1997.(2)

     10.3   Settlement Agreement and General Release by and between Registrant,
            National Psychopharmacology Laboratory, Inc., Kenneth O. Jobson and
            Haroutune K. Dekirmenjian, dated August 25, 1997.(2)

     10.4   The Asset Purchase Agreement between the Registrant and Accu-Path
            Medical Laboratory, Inc., dated December 1, 1997.(7)

     10.8   Loan Agreement between Hibernia National Bank and Laboratory
            Specialists, Inc., dated July 2, 1997.(5)

     10.9   Promissory Note issued by Laboratory Specialists, Inc. to Hibernia
            National Bank, dated July 2, 1997.(5)
   
     10.10  Employment Agreement with John Simonelli, as amended and restated
            July 16, 1998. 
    
   
     10.11  Employment Agreement with Larry E. Howell, as amended and restated
            July 16, 1998.
    
   
     10.12  Employment Agreement between Arthur R. Peterson, Jr. and Laboratory
            Specialists, Inc.,as amended and restated July 16, 1998.
    
     10.13  Investment Banking Agreement between Registrant and Barber &
            Bronson, Incorporated, dated June 5, 1997.(2)

     10.14  Employment Severance Agreement between Robert A. Gardebled, Jr. and
            Laboratory Specialists, Inc., dated November 20, 1997. (7)

     10.15  Loan Agreement between Hibernia National Bank and Laboratory
            Specialists, Inc., dated January 9, 1997.(8)

                                       II-3

<PAGE>

     10.16  Promissory Note issued by Laboratory Specialists, Inc. to Hibernia
            National Bank, dated January 9, 1997. (8)
   
     10.17  The Asset Purchase Agreement between Registrant, Laboratory
            Specialists, Inc., and Harrison Laboratories, Inc., dated April 13,
            1998.*
    
   
     10.18  Employment Agreement between Roy D. Harrison, Laboratory
            Specialists, Inc., and Registrant.*
    
   
     10.19  The Asset Purchase Agreement between Registrant, TOXWORX
            Laboratories, Inc. and Kingsley Labrosse, dated June 8, 1998.*
    
     21.1   Subsidiaries of Registrant.(2)
   
     23.1   Consent of Arthur Andersen LLP, dated August 27, 1998.
    
   
     23.2   Consent of Dunn Swan & Cunningham, A Professional Corporation,
            dated August 27, 1998.
    
   
     25.1   Power of Attorney of John Simonelli, dated July 1, 1997.*
    
   
     25.2   Power of Attorney of Larry E. Howell, dated July 1, 1997.*
    
   
     25.3   Power of Attorney of Arthur R. Peterson, Jr., dated July 1, 1997.*
    
   
     25.4   Power of Attorney of Robert A. Gardebled, Jr., dated July 1, 
            1997.*
    
   
     25.5   Power of Attorney of Jerome P. Welch, dated July 1, 1997.*
    
   
     25.6   Power of Attorney of Michael E. Dunn,dated July 1, 1997.*
    
- ------------------------------------------------------
   
* Previously furnished.
    
(1)  Incorporated by reference to Form 10-QSB Quarterly Report for the quarterly
     period ended March 31, 1996. as filed with the Commission on May 9, 1997.
(2)  Incorporated by reference to Amendment No. 1 to Form SB-2 Registration
     Statement No. 333-30997, as filed with the Commission on September 5, 1997.
(3)  Incorporated by reference to Form SB-2 Registration Statement No. 333-30997
     as filed with the Commission on July 10, 1997.
(4)  Incorporated by reference to Amendment No. 2 to Form SB-2 Registration
     Statement No. 33-82058-D as filed with the Central Regional Office of the
     Commission on September 21, 1994.
(5)  Incorporated by reference to Form 10-QSB Quarterly Report for the quarter
     ended June 30, 1997, as filed with the Commission on August 14, 1997.
(6)  Incorporated by reference to Form 10-QSB Quarterly Report for the quarter
     ended September 30, 1997, as filed with the Commission on     , 1997.
(7)  Incorporated by reference to Form 10-KSB Annual Report for the year ended
     December 31, 1997, as filed with the Commission on April 29, 1998.
(8)  Incorporated by reference to Form 10-QSB Quarterly Report for the quarter
     ended March 31, 1998, as filed with the Commission on                   ,
     1997.
(9)  To be furnished by amendment.

                                       II-4

<PAGE>

ITEM 28.  UNDERTAKINGS

     (a) RULE 415 OFFERING.

     The undersigned Registrant hereby undertakes:

            (1)     To file, during any period in which offers or sales are
     being made, a post-effective amendment to this Registration Statement:

            (i)     To include any prospectus required by section 10(a)(3) of
     the Securities Act of 1933;

            (ii)    To reflect in the prospectus any facts or events which,
     individually or together, represent a fundamental change in the information
     in the registration statement; and

            (iii)   To include any additional or changed material information on
     the plan of distribution.

            (2)     For determining liability under the Securities Act, treat
     each post-effective amendment as a new registration statement of the
     securities offered, and the offering of the securities at that time to be
     the initial bona fide offering.

            (3)     File a post-effective amendment to remove from registration
     any of the securities that remain unsold at the end of the offering.

     (e)    REQUEST FOR ACCELERATION OF EFFECTIVE DATE.

     Insofar as indemnification for liabilities arising under the Securities Act
     of 1933, as amended (the "Act"), may be permitted to directors, officers
     and controlling persons of Registrant pursuant to the foregoing provisions,
     or otherwise, Registrant has been advised that in the opinion of the
     Securities and Exchange Commission such indemnification is against public
     policy as expressed in the Act and is, therefore, unenforceable.

     In the event that a claim for indemnification against such liabilities
     (other than the payment by Registrant of expenses incurred or paid by a
     director, officer or controlling person of Registrant in the successful
     defense of any action, suit or proceeding) is asserted by such director,
     officer or controlling person in connection with the securities being
     registered, Registrant will, unless in the opinion of its counsel the
     matter has been settled by controlling precedent, submit to a court of
     appropriate jurisdiction the question whether such indemnification by it is
     against public policy as expressed in the Securities Act and will be
     governed by the final adjudication of such issue.

     (f) RULE 430A.

     Registrant hereby undertakes that it will (i) for determining any liability
     under the Securities Act, treat the information omitted from the form of
     prospectus filed as a part of this Registration Statement in reliance upon
     Rule 430A and contained in a form of prospectus filed by Registrant under
     Rule 424(b)(1), or (4) or 497(h) under the Securities Act as a part of this
     Registration Statement as of the time the Commission declared it effective,
     and (ii) for determining any liability under the Securities Act, treat each
     post-effective amendment that contains a form of prospectus as a new
     registration statement for the securities offered in the registration
     statement, and that offering of the securities at that time as the initial
     bona fide offering of those securities.

                                       II-5

<PAGE>

                                      SIGNATURES

   
     Pursuant to the requirements of the Securities Act of 1933, Registrant 
hereby certifies that it has reasonable grounds to believe that it meets all 
of the requirements for filing on Form SB-2 and authorized this Amendment No. 
1 to Registration Statement to be signed on its behalf by the undersigned in 
the City of Oklahoma City, State of Oklahoma, on the 1st day of September, 
1998.

                                   LABORATORY SPECIALISTS OF AMERICA, INC.
                                   (Registrant)


                                   By: /S/LARRY E. HOWELL
                                        Larry E. Howell, President
                                   ---------------------------------------------

     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement has been signed by the following persons 
in the capacities and on the dates indicated:

<TABLE>
<CAPTION>
     SIGNATURE                               TITLE                         DATE
     ---------                               -----                         ----
<S>                                     <C>                                <C>
  /S/JOHN SIMONELLI                     Chairman of the Board, Chief       September 1, 1998
  John Simonelli                        Executive Officer, Secretary
- ------------------------------          and Director


  /S/LARRY E. HOWELL                    President and Chief Operating      September 1, 1998
  Larry E. Howell                       Officer and Director
- ------------------------------


  /S/ARTHUR R. PETERSON, JR.            Treasurer and Director             September 1, 1998
  Arthur R. Peterson, Jr.
- ------------------------------


  /S/ROBERT A. GARDEBLED, JR.           Director                           September 1, 1998
  Robert A. Gardebled, Jr.
- ------------------------------


  /S/MICHAEL E. DUNN                    Director                           September 1, 1998
  Michael E. Dunn
- ------------------------------


  /S/JEROME P. WELCH                    Director                           September 1, 1998
  Jerome P. Welch
- ------------------------------
</TABLE>
    

                                       II-6


<PAGE>
                           REGISTRATION RIGHTS AGREEMENT

                                          
     REGISTRATION RIGHTS AGREEMENT (the "Agreement"), dated as of June 4, 1998,
by and among Laboratory Specialists of America, Inc., a corporation organized
under the laws of the State of Oklahoma, with offices located at 101 Park
Avenue, Oklahoma City, Oklahoma 73102 (the "Company"), Jesup & Lamont Securities
Corporation, a corporation organized under the laws of the State of Delaware
having offices at 650 Fifth Avenue, New York, NY 10017 (the "Placement Agent"),
and the undersigned investors (together with affiliates, the "Initial
Investors").

     WHEREAS, in connection with an offering (the "Offering") pursuant to a
Confidential Private Placement Offering Circular dated April 24, 1998, and any
supplements or amendments thereto, and various Subscription Agreements between
the Company and the Initial Investors (the "Subscription Agreements"), the
Company has agreed, upon the terms and subject to the conditions contained
therein, to issue and sell to the Initial Investors shares of its common stock,
par value $.001 per share (the "Common Stock");

     WHEREAS, in order to induce the Initial Investors to execute and deliver
the Subscription Agreements and to purchase shares of the Common Stock pursuant
to the Offering, the Company has agreed to provide certain registration rights
under the Securities Act of 1933, as amended, and the rules and regulations
thereunder, or any similar successor statute (collectively, the "Securities
Act"), and applicable state securities laws; and

     WHEREAS, in connection with the Offering, the Company has issued to the
Placement Agent warrants (the "Warrants") to purchase Common Stock and has
agreed to provide the Placement Agent the rights set forth herein with respect
to the shares of Common Stock issuable upon exercise of the Warrants.

     NOW, THEREFORE, in consideration of the premises and the mutual covenants
contained herein and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the Company, the Placement Agent
and the Initial Investors hereby agree as follows:

     1.   DEFINITIONS.  For purposes of this Agreement:

     (a)  "Register", "registered" and "registration" refer to a registration
effected by preparing and filing a registration statement in compliance with the
Securities Act, including a registration statement pursuant to Rule 415 and Rule
416 under such Act (or any successor rules), and the declaration or ordering of
effectiveness of such registration statement by the Securities and Exchange
Commission ("SEC").

     (b)  "Registrable Securities" means all shares of Common Stock issued
pursuant to the  Offering or upon the exercise of the Warrants or any warrants
described in Section 8 hereof, and any shares of Common Stock issued or
issuable, from time to time (with any adjustments), as a 


                                       1

<PAGE>

distribution on, in exchange for or otherwise with respect to any such shares.

     (c)  "Holder" means any person owning of record Registrable Securities or
any assignee of record of such Registrable Securities to whom rights under this
Agreement have been assigned in accordance with this Agreement.

     2.   SHELF REGISTRATION.

     (a)  The Company, within 30 days from the date hereof, shall file a
registration statement under the Securities Act on Form S-3 (or, if not
available, on such Form as is then available to effect a registration of all
Registrable Securities) for, and shall obtain all such qualifications and
compliances as may be required and as would permit the sale and distribution of,
all Registrable Securities, and shall use its best efforts to secure the
effectiveness of such registration statement no later than 90 days following the
date hereof or, if earlier, within 5 days after the date on which the Company
shall receive clearance from the SEC to request acceleration of the
effectiveness of such registration statement.

     (b)  The Company shall pay all expenses incurred in connection with any
registration, qualification and compliance (excluding underwriters' and brokers'
discounts and commissions), including, without limitation, all filing,
registration and qualification fees, printer and accounting fees.  

     (c)  The Company shall use its best efforts to cause the registration
statement filed pursuant to this Section 2 to remain effective until the earlier
of (i) the date on which all Registrable Securities shall have been sold or (ii)
the sixth anniversary of the date hereof.

     3.   Intentionally omitted.

     4.   OBLIGATIONS OF THE COMPANY.  The Company shall, as expeditiously as
possible:

     (a)  Prepare and file with the SEC a registration statement with respect to
such Registrable Securities and use its best efforts to cause such registration
statement to become effective in accordance with the terms and provisions of
Section 2 hereof.

     (b)  Prepare and file with the SEC such amendments and supplements to such
registration statement and the prospectus included therein as may be necessary
to keep the registration statement effective and comply with the provisions of
the Securities Act with respect to the disposition of all Registrable Securities
covered by such registration statement until such time as all of such
Registrable Securities shall have been disposed of in accordance with the
intended methods of disposition as set forth in such registration statement, or,
if applicable, until such earlier time as provided in Section 2(c) hereof.

     (c)  Furnish to each Holder and its legal counsel (i) promptly after filing
with the SEC, 


                                       2

<PAGE>

one copy of such registration statement and any amendments thereto, including 
each prospectus contained therein, and each letter written by or on behalf of 
the Company to the SEC or the staff of the SEC and each correspondence 
therefrom, (ii) on the date of effectiveness of such registration statement 
or amendment, a notice that such registration statement or amendment has been 
declared  effective and (iii) such number of copies of a prospectus, 
including a preliminary prospectus, in conformity with the requirements of 
the Securities Act, and all amendments thereto, and such other documents as 
any Holder may reasonably request, in order to facilitate the disposition of 
the Registrable Securities owned by such Holder which shall have been 
included in such registration statement.

     (d)  Use its best efforts to register and qualify the Registrable
Securities covered by such registration statement under any applicable
securities or "blue sky" laws of such states and jurisdictions as shall be
reasonably requested by any Holder or to obtain exemptions therefrom, and
maintain the effectiveness of such registrations, qualifications and exemptions,
PROVIDED, that the Company shall not be required in connection therewith or as a
condition thereto to qualify to do business or to file a general consent to
service of process in any such states or jurisdictions.

     (e)  Use its best efforts promptly to secure the listing and quotation of
all Registrable Securities covered by the registration statement on the NASDAQ
SmallCap Market ("Nasdaq") or on any other market or exchange on which the
Common Stock shall then be traded.

     (f)  Notify each Holder of Registrable Securities included in such
registration statement, at any time when a prospectus relating thereto shall be
required to be delivered under the Securities Act, of the happening of any event
as a result of which the prospectus included in such registration statement
shall include an untrue statement of a material fact or omit to state a material
fact required to be stated therein or necessary to make the statements therein
not misleading in light of the circumstances then existing, and, upon such
notice, the Company shall promptly correct such misstatement or omission and
deliver to each Holder copies of the corrected prospectus.

     (g)  Take all reasonable actions required to prevent the entry of any stop
order issued or threatened by the SEC or any state regulatory authority with
respect to the registration statement covering the Registrable Securities, and
notify each Holder of any such stop order and take all reasonable actions to
remove it if entered.

     (h)  Permit one counsel designated by the Placement Agent to review such
registration statement and all amendments and supplements thereto on behalf of
the Holders in a reasonable period of time prior to their filing with the SEC,
and not file any document in a form to which such counsel shall reasonably
object.

     5.   FURNISH INFORMATION.   It shall be a condition precedent to the
obligations of the Company to take any action pursuant to Section 2 that a
selling Holder shall furnish to the Company such information regarding such
Holder, the Registrable Securities held by such Holder and the intended method
of dispositions of such Registrable Securities as reasonably shall be required
to 


                                       3

<PAGE>

effect the registration of the Registrable Securities.

     6.   INDEMNIFICATION.   In the event that any Registrable Securities shall
be included in a registration statement under this Agreement:

     (a)  The Company shall indemnify and hold harmless each Holder, the
partners, stockholders, officers and directors of each Holder, any underwriter
(as defined in the Securities Act) for such Holder and each person, if any, who
controls such Holder or underwriter within the meaning of the Securities Act or
the Securities Exchange Act of 1934 (the "Exchange Act") (each, an "Indemnified
Person") against any joint or several losses, claims, damages, liabilities or
expenses (together with actions, proceedings or inquiries by any regulatory or
self-regulatory organization, whether commenced or threatened, in respect
thereof, "Claims") to which any of them may become subject insofar as such
Claims arise out of or are based upon (i) any untrue statement or alleged untrue
statement of a material fact contained in a registration statement or the
omission or alleged omission to state therein a material fact required to be
stated therein, or necessary to make the statements therein not misleading, (ii)
any untrue statement or alleged untrue statement of a material fact contained in
any preliminary prospectus if used prior to the effective date of such
registration statement, or contained in the final prospectus (as amended or
supplemented, if the Company shall filed any amendment thereof or supplement
thereto with the SEC) or the omission or alleged omission to state therein any
material fact necessary to make the statements made therein, in light of the
circumstances under which the statements therein were made, not misleading, or
(iii) any violation or alleged violation by the Company of the Securities Act,
the Exchange Act, any state securities law or any rule or regulation thereunder
relating to the offer or sale of the Registrable Securities (the matters in the
foregoing clauses (i) through (iii) being, collectively, called "Violations"). 
The Company shall reimburse each Indemnified Person for any reasonable legal or
other expenses (promptly as such expenses shall be incurred and shall be due and
payable) incurred by such Indemnified Person in connection with investigating or
defending any such Claim.  The indemnification agreement contained in this
Section 6(a) (x) shall not apply to a Claim arising out of or based upon a
violation which shall occur in reliance upon and in conformity with information
furnished in writing to the Company by such Indemnified Person expressly for use
in such registration statement or any such amendment or supplement thereto; (y)
shall not apply to amounts paid in settlement of any Claim if such settlement
shall be effected without the prior written consent of the Company, which
consent shall not be unreasonably withheld; and (z) shall not inure to the
benefit of any Indemnified Person, with respect to any prospectus, if the untrue
statement or omission of material fact in any prospectus shall have been
corrected on a timely basis and the Indemnified Person shall have failed to
utilize such corrected prospectus.  This indemnity shall remain in full force
and effect regardless of any investigation made by or on behalf of the
Indemnified Person and shall survive the transfer of the Registrable Securities
by the Initial Investors.

     (b)  In connection with any registration statement in which a Holder shall
participate, such Holder, severally and not jointly, shall indemnify and hold
harmless the Company, each of its directors, each of its officers who shall sign
the registration statement, its employees and agents and each person, if any,
who controls the Company within the meaning of the Securities Act or the


                                       4

<PAGE>

Exchange Act, any underwriter and any other stockholder selling securities
pursuant to such registration statement or any of its partners, stockholders,
directors or officers or any person who controls such underwriter or stockholder
within the meaning of the Securities Act or the Exchange Act (each, an
"Indemnified Party") against any Claim to which any of them may become subject,
under the Securities Act, the Exchange Act or otherwise, insofar as much Claim
shall arise out of or shall be based upon any Violation, in each case to the
extent (and only to the extent) that such Violation shall occur in reliance upon
and in conformity with written information furnished to the Company by such
Holder expressly for use in connection with such registration statement.  Such
Holder shall reimburse the Indemnified party for any reasonable legal or other
reasonable expenses (promptly as such expenses shall be incurred and shall be
due and payable) incurred in connection with investigating or defending any such
Claim.  The indemnity agreement contained in this Section 6(b) shall not apply
to amounts paid in settlement of any Claim if such settlement shall be effected
without the prior written consent of such Holder, which consent shall not be
unreasonably withheld; and, PROVIDED, FURTHER, that the total amounts payable by
a Holder under this Section 6(b) shall not exceed the aggregate proceeds (net
of discounts or commissions) actually received by such Holder upon the sale of
such Holder's Registrable Securities included in such registration statement. 
Notwithstanding anything to the contrary contained herein, the indemnification
agreement contained in this Section 6(b) shall not inure to the benefit of any
person or entity if the untrue statement or omission of material fact in any
prospectus shall have been corrected on a timely basis and such person or entity
shall have failed to utilize such corrected prospectus.

     (c)  Promptly after receipt by an Indemnified Person or Indemnified Party
(the "Indemnitee") under this Section 6 of notice of the commencement of any
action (including, without limitation, any governmental action), such
Indemnitee, if a claim in respect thereof shall be made against any indemnifying
party under this Section 6, shall deliver to the indemnifying party a written
notice of the commencement thereof, and the indemnifying party shall be entitled
to participate therein, and, to the extent it shall desire, to assume the
defense thereof, with counsel mutually satisfactory to the Indemnitee, after
which the indemnifying person shall not be liable to such Indemnitee for any
legal expenses subsequently incurred by such Indemnitee in connection with the
defense thereof; PROVIDED, HOWEVER, that an Indemnitee shall have the right to
retain its own counsel, with fees and expenses to be paid by the indemnifying
party, if the indemnifying party shall have failed to assume the defense of any
such action or if, in the reasonable opinion of counsel retained by the
indemnifying party, representation of such Indemnitee by the counsel retained
would be inappropriate due to actual or potential differing interests between
such Indemnitee and any other party represented by such counsel in such action. 
No indemnifying person shall be responsible for  paying the fees and expenses of
more than one separate counsel for all Indemnitees.  Failure to deliver written
notice to the indemnifying party within a reasonable time of the commencement of
any action, if the indemnifying party shall be materially prejudiced thereby,
shall relieve such indemnifying party of liability, but only to the extent that
such indemnifying party shall be prejudiced with respect to a specific claim. 
An indemnifying party shall not, without the prior written consent of the
Indemnitee, settle or compromise or consent to the entry of a judgment in any
pending or threatened claim, action, suit or proceeding in respect of which
indemnification may be sought hereunder unless such settlement, compromise or
consent shall include an unconditional 


                                       5

<PAGE>

release of such Indemnitee from all liability arising out of such claim, 
action, suit or proceeding.

     (d)  If the indemnification provided for in Sections 6(a) or 6(b) hereof
shall be held by a court of competent jurisdiction to be unavailable to an
Indemnitee in respect of any liability under the Securities Act, then, and in
each such case, the indemnifying party, in lieu of indemnifying such Indemnitee
hereunder, shall to the extent permitted by applicable law contribute to the
amount paid or payable by such Indemnitee as a result of such loss, liability,
claim, damage or expense in such proportion as shall be appropriate to reflect
the relative fault of the indemnifying party on the one hand and of the
Indemnitee on the other in connection with the Violation that resulted in such
loss, liability, claim, damage or expense as well as any other relevant
equitable considerations.  The relative fault of the indemnifying party and of
the Indemnitee shall be determined by a court of law by reference to, among
other things, whether the untrue or alleged untrue statement of a material fact
or the omission or alleged omission to state a material fact shall have related
to information supplied by the indemnifying party or by the Indemnitee and the
parties' relative intent, knowledge, access to information and opportunity to
correct or prevent such statement, alleged statement, omission or  alleged
omission; PROVIDED, that in no event, shall any contribution under this Section
6(d) by any Holder exceed the proceeds from the offering received by such
Holder.  No person or entity guilty of fraudulent misrepresentation (within the
meaning of Section 11 of the Securities Act) shall be entitled to contribution
from any person or entity who shall not have been guilty of such fraudulent
misrepresentation.

     7.   RULE 144 REPORTING.  With a view to making available the benefits of
certain rules and regulations of the SEC which may at any time permit the sale
of the Registrable Securities to the public without registration, the Company
shall: 

     (a)  Make and keep public information available, as those terms are
understood and defined in Rule 144, at all times while the Company shall be
reporting under the Exchange Act;

     (b)  Use its best efforts to file with the SEC in a timely manner all
reports and other documents required of the Company under the Securities Act and
the Exchange act; and

     (c)  So long as a Holder shall own any Registrable Securities, furnish to
the Holder forthwith upon request a written statement by the Company as to its
compliance with the reporting requirements of Rule 144, the Securities Act and
the Exchange Act, a copy of the most recent annual or quarterly report of the
Company and such other reports and documents of the Company as a Holder may
reasonably request in availing itself of any rule or regulation of the SEC
allowing a Holder to sell any such Securities without registration.

     8.   DEFAULT WARRANTS.   In the event that the registration statement
required to be filed pursuant to Section 2 hereof shall either (a) not be filed
within 30 days from the date hereof (the "Filing Default date"), or (b) not be
declared effective by the SEC within 90 days from the date hereof or, if
earlier, within 5 days after the date on which the Company shall receive
clearance from the SEC to request acceleration of the effectiveness of such
registration statement (the "Registration 


                                       6

<PAGE>

Default Date"), the Company shall issue and deliver, free of charge and 
without cost, to each of the Holders (i) within 10 days of the Filing Default 
Date and/or the Registration Default Date, as applicable, warrants, in the 
form annexed hereto as Exhibit A, to purchase a number of shares of Common 
Stock equal to 5% of the number of shares of Common stock purchased by each 
such Holder (or such Holder's predecessor in interest) in the Offering and 
(ii) within 10 days of the last date of each additional 30-day period in 
which such registration statement shall not have been filed and/or declared 
effective by the SEC, additional warrants, in the form annexed hereto as 
Exhibit A, to purchase a number of shares of Common Stock equal to 5% of the 
number of shares of Common Stock purchased by each such Holder (or such 
Holder's predecessor in interest) in the Offering.  The exercise price of 
such warrants, as well as the number of shares of Common Stock for which each 
of such warrants shall initially be exercisable, shall be appropriately 
adjusted, in the same manner as set forth in Section 6 of such warrants, to 
reflect dilutive events which shall occur after the date hereof and prior to 
the issuance of such warrants.  Any and all shares of Common Stock issued by 
the Company upon the exercise of any warrants delivered pursuant to this 
Section 8 shall constitute "Registrable Securities," and the Company shall be 
required to register them under the Securities Act in accordance with the 
provisions of this Agreement.

     9.   MISCELLANEOUS.

     (a)  a person or entitiy shall be deemed to be a Holder of Registrable
Securities whenever such person or entity owns of record such Registrable
Securities.  If the Company shall receive conflicting instructions, notices or
elections from two or more persons or entities with respect to the same
Registrable Securities, the Company shall act upon the basis of any
instructions, notice or election received from the registered owner of such
Registrable Securities.

     (b)  Any notices required or permitted to be given under the terms of this
Agreement shall be sent by certified or registered mail (return receipt
requested) or delivered personally or by courier or by confirmed telecopy , and
shall be effective five (5) days after being placed in the mail, if mailed, or
upon receipt or refusal of receipt, if delivered personally or by courier or
confirmed telecopy, in each case addressed to a party.  The addresses for such
communications shall be:

     If to the Company:

          Laboratory Specialists of America, Inc.
          101 Park Avenue
          Oklahoma City, OK 73102

     If to the Placement Agent:
     
          Jesup & Lamont Securities Corporation
          650 Fifth Avenue
          New York, NY 10019


                                       7

<PAGE>

and if to any Holder, at such address as such Holder shall have provided in
writing to the Company, or at such other address as each such party shall
furnish by notice given in accordance with this Section 9(b).

     (c)  Failure of any party to exercise any right or remedy under this
Agreement or otherwise, or delay by a party in exercising such right or remedy,
shall not operate as a waiver thereof.

     (d)  This Agreement shall be governed by and construed in accordance with
the laws of the State of New York applicable to contracts made and to be
performed in the State of New York.  The Company irrevocably consents to the
exclusive jurisdiction of the United States federal and state courts located in
New York County, New York in any suit or proceeding based on or arising under
this Agreement and irrevocably agrees that all claims in respect of such suit or
proceeding may be determined in such courts.  The Company irrevocably waives the
defense of an inconvenient forum to the maintenance of such suit or proceeding.
The Company further agrees that service of process upon the Company, mailed by
first class mail shall be deemed in every respect effective service of process
upon the Company in any such suit or proceeding.  Nothing herein shall affect
any Holder's right to serve process in any other manner permitted by law.  The
Company agrees that a final non-appealable judgment in any such suit or
proceeding shall be conclusive and may be enforced in other jurisdictions by
suit on such judgment or in any other lawful manner.

     (e)  This Agreement, and the Subscription Agreements constitute the entire
agreement among the parties hereto with respect to the subject matter hereof and
thereof.  This Agreement and the Subscription Agreements supersede all prior
agreements and understandings among the parties hereto with respect to the
subject matter hereof and thereof.

     (f)  This Agreement shall inure to the benefit of and be binding upon the
successors and assigns of each of the parties hereto.  The rights of any Holder
hereunder may be transferred in connection with a transfer of all or any portion
of such Holder's Registrable Securities.  Any transferee of any such Registrable
Securities shall be required, as a condition precedent to such transfer, to
agree to be bound by all the terms and conditions of this Agreement.

     (g)  The headings in this Agreement are for convenience of reference only
and shall not limit or otherwise affect the meaning hereof.

     (h)  This Agreement may be executed in two or more counterparts, each of
which shall be deemed an original but all of which shall constitute one and the
same agreement.  This Agreement, once executed by a party, may be deliverable to
the other party hereto by facsimile transmission of a copy of this Agreement
bearing the signature of the party so delivering this Agreement.

     (ii) Each party shall do and perform, or cause to be done and performed,
all such further acts and things, and shall execute and deliver all such other
agreements, certificates, instruments and 


                                       8

<PAGE>

documents, as the other party may reasonably request in order to carry out 
the intent and accomplish the purposes of this Agreement and the consummation 
of the transactions contemplated hereby.

     (j)  All consents and other determinations to be made by the Holders
pursuant to this Agreement shall be made by Holders holding a majority of the
Registrable Securities (determined as if all warrants described in Section 8
hereof then outstanding had been converted into or exercised for Registrable
Securities).

     IN WITNESS WHEREOF, the parties have caused this Agreement to be duly
executed as of the date first above written.


LABORATORY SPECIALISTS OF AMERICA, INC.


By:
   -----------------------------------------
Name:  
     ---------------------------------------
Title:  
      --------------------------------------


JESUP & LAMONT SECURITIES CORPORATION


By:
   -----------------------------------------
Name:  
     ---------------------------------------
Title:  
      --------------------------------------


INITIAL INVESTORS   

SPECIAL SITUATIONS PRIVATE EQUITY FUND, L.P.
153 East 53rd Street, 51st Floor
New York, NY 10022

By: MG Advisers, L.L.P.

By:          
   -----------------------------------------


                                       9

<PAGE>

- ------------------------------------------
Alain Aysseh
9 Shields Lane
Darien, CT 06820

- ------------------------------------------
Alfred Aysseh
9 Shields Lane
Darien, CT 06820

- ------------------------------------------
William H. Duling 
3825 Wilshire Circle
Sarasota, FL 34238

- ------------------------------------------
David Herzog
c/o S. Eisenberger
1550 54th Street
Brooklyn, NY 11219

KDP ENTERPRISES INC.
18 Kupperman Lane
Monsey, NY 10952

By:
    --------------------------------------
    Jack Siegel


- ------------------------------------------
George Levine
c/o Reuters
200 No. Sepulveda Boulevard
Suite 500 
El Segundo, CA 90245

- ------------------------------------------
Elvire Levy
c/o Lucien I. Levy
635 So. Orange Avenue
Sarasota, FL 34236


                                      10

<PAGE>

LUCIEN I. LEVY Rev. Living Trust
635 So. Orange Avenue
Sarasota, FL 34236

By:
    -------------------------------------- 
    Lucien I. Levy

- ------------------------------------------
Julius Luck
17 Manor Parkway
Ledgewood, NJ 07852

- ------------------------------------------
Ralph Mandarino
21 Fourth Place
Syosset, NY 11791


MERL Trust
635 So. Orange Avenue
Sarasota, FL 34236

By:
    -------------------------------------- 
    Lucien I. Levy


METROPOLIS EQUITY FUND, L.P.
80 Broad Street, 35th Floor
New York, NY 10004

By:
    -------------------------------------- 
    Ronny Kraft


QT FINANCE S.A
635 So. Orange Avenue
Sarasota, FL 34236

By:
    -------------------------------------- 
    By: Lucien I. Levy


                                      11

<PAGE>

PEQUOT SCOUT FUND, LP
354 Pequot Avenue
Southport, CT 06490

By:
    -------------------------------------- 
    Amiel Peretz


- ------------------------------------------ 
Spycher, Michele
c/o Lucien I. Levy
635 So. Orange Avenue
Sarasota, FL 34236


- ------------------------------------------ 
Paul S. And Ann Laurie Vanderwerf
34423 N. 68th Way
Scottsdale, AZ 85262








                                      12

<PAGE>

                                 SELLING AGREEMENT
                                          
                                          
                                          
                                                        June 4, 1998



Jesup & Lamont Securities Corporation
650 Fifth Avenue
New York, New York 10019

               RE:  LABORATORY SPECIALISTS OF AMERICA, INC.

Gentlemen:

     Laboratory Specialists of America, Inc. is a corporation duly organized
under the laws of the State of Oklahoma (the "Corporation").  The Corporation
intends to offer and sell shares of the Corporation's Common Stock (the "Common
Stock") in a non-public offering and sale under Section 4(2) of the Securities
Act of 1933, as amended (the "Act") pursuant to Regulation D, in accordance with
the terms of the Confidential Private Placement Offering Circular dated April
24, 1998, relating to the Corporation, together with any amendments thereto (the
"Memorandum").  The Corporation is offering up to a maximum of 611,112 shares of
Common Stock at a price of $4.50 per share.  The offering period (the "Offering
Period") for the Common Stock shall extend until May 31, 1998, unless extended
by the Company with or without notice, but in any event, until no later than
June 30, 1998 (the "Offering Termination Date").  

     Subject to the terms and conditions herein set forth the Corporation hereby
appoints you (the "Placement Agent") as its exclusive agent to offer and sell
the Common Stock on its behalf, on a best efforts basis, until all of the Common
Stock offered has been sold, subject only to your right to engage participating
Broker-Dealers pursuant to Section 2 hereof.  By your confirmation hereof you
agree to act in such capacity and to use your best efforts as agent for the
Corporation to find purchasers for the Common Stock acceptable to the
Corporation on terms and conditions set forth below.  We confirm our
understanding with you as follows:

          1.   OFFERING:

          (a)  Subject to the terms and conditions herein set forth, you hereby
agree to use your best efforts to offer and sell the Common Stock in accordance
with the terms hereof and of the Memorandum.  The Corporation shall have the
right, in its discretion, to reject subscriptions furnished by you, in whole or
in part, and has no obligation to accept subscriptions in the order in which
they are received.  No commissions will be paid to the Placement Agent for the
sale of 

<PAGE>

Jesup & Lamont Securities Corporation
June 4, 1998
Page 2


Common Stock to person whose subscriptions are subsequently rejected. Any 
payments made in connection with subscriptions rejected by the Corporation 
will be returned (less any escrow fees) to the subscriber.  At all times 
during the Offering Period, cash proceeds received from subscribers for the 
Common Stock shall be held in an escrow account maintained with UMB Oklahoma 
Bank.  All checks received from prospective purchasers of Common Stock shall 
be made payable to UMB Oklahoma Bank, Escrow Holder for Laboratory 
Specialists of America, Inc.  Upon the closing of the sale of the Common 
Stock (the "Closing"), the funds will be released to the Corporation in 
accordance with the terms and provisions of that certain Escrow Agreement, 
dated May 12, 1998 by and among the Corporation, the Placement Agent and UMB 
Oklahoma Bank, as Escrow Agent.

          (b)  The sale of the Common Stock shall be made only to persons or
entities whom you reasonably believe constitute accredited investors as
determined in accordance with the standards of Subsection (a) of Rule 501 of
Regulation D promulgated under  the Act or qualified institutional buyers as
defined in Rule 144A promulgated under the Act or Qualified Institutional Buyers
as determined in accordance with Rule 144A under the Act.

          (c)  Upon receipt of an executed Subscription Agreement and any other
Subscription documentation included in the Subscription package prepared by the
Corporation for delivery by you to prospective subscribers (the "Subscription
Documents") you shall promptly furnish to us the Executed Subscription
Documents, together with the purchase price for the shares of Common Stock
subscribed for by such subscriber.

     2.   PARTICIPATING BROKER-DEALERS

     The Corporation hereby authorizes you to engage other qualified 
Broker-Dealers (the "Participating Broker-Dealers") to assist you in the 
placement of the Common Stock provided that each such Participating 
Broker-Dealer shall be registered as a broker-deal under the Securities 
Exchange Act of 1934 (the "Exchange Act"), shall be a member in good standing 
of the National Association of Securities Dealers, Inc. ("NASD"), and shall 
be authorized to offer and sell the Common Stock under the laws of the 
jurisdiction in which the Common Stock will be offered and sold by such 
Participating Broker-Dealers.

     3.   COMPENSATION.

     If the Corporation accepts offers for the sale of up to 611,112 shares of
the Common Shares (or such lessor amount) and the Closing occurs, the
Corporation will pay to you the following compensation:

          (i)    Sales commissions in an amount up to 7% of the aggregate gross
proceeds of the offering price per shares of Common Stock sold which commissions
shall be payable on the date on which the Company receives the proceeds from the
sale of the Common Stock.  Such sales commissions may be reallocated to
Participating Broker-Dealers, if any. 

          (ii)   Concurrent with the Closing, sell to the Placement Agent (or
its designees) Warrants to acquire such number of shares of Common Stock as is
equal to ten  percent (10%) of the shares of Common Stock sold at the Closing
(the "Placement Agent's 

<PAGE>

Jesup & Lamont Securities Corporation
June 4, 1998
Page 3


Warrants").  The purchase price of the Placement Agent's Warrants shall be 
reallocated $0.001 per warrant.  Such warrants, which shall be satisfactory 
in form and substance to the Placement Agent and its counsel, will expire 
five years from the date of issuance and will be non-callable.  The Placement 
Agent's Warrants will be exercisable at $5.40 per Warrant, which is equal to 
twenty percent (20%) above the price at which the Common Stock is sold in the 
Offering.  The Placement Agent's Warrants shall not be redeemable.  The 
Placement Agent's Warrants may be exercised as to all or a lesser number of 
Common Stock.  The Corporation will register the shares of Common Stock 
underlying the Placement Agent's Warrants in a registration statement 
covering the shares of Common Stock. 

          (iii)  The Corporation will pay all the fees, expenses and
disbursements related to the Offering, including but not limited to, (a) fees
and disbursements of its counsel; (b) costs relating to the preparation,
printing, filing and distribution of the Memorandum and all amendments thereto,
and any other instruments connected with the Offering; (c) applicable Blue Sky
filing fees and disbursements all reasonable and accountable "road show"
expenses, if any; and (d) fees and disbursements of Placement Agent's counsel,
and (e) any other expenses incurred by the Corporation in connection with the
Offering.  It is also understood that the Corporation shall reimburse the
Placement Agent for its out-of pocket expenses incurred in rendering services
within a reasonable period of time following the presentation by the Placement
Agent of an itemized statement of such expenses.  

          (iv)   It is expressly understood and agreed by the parties hereto
that the Placement Agent shall have the right of first refusal with respect to
any financing activities of the Corporation of $10,000,000.00 or less, whether
through senior or subordinated debt or equity, for twenty-four months from the
date of the Closing.  Failure of the Corporation to give the Placement Agent
the right of first refusal granted herein and to comply with this paragraph 3
(iv) of this Agreement, shall result in such fees and compensation due and
payable by the Corporation to the Placement Agent under the same terms of this
Section 3.  It is further understood and agreed that in the event that the
Corporation shall engage in financing activities in excess of $10,000,000, then
the parties shall in good faith determine the role of the Placement Agent, if
any, at or prior to the time upon which the Corporation has committed to such
financing activities.

          (vi)   The undersigned parties, intending to be legally bound hereby
irrevocably agree not to circumvent, avoid, bypass or abrogate each other,
directly or indirectly to avoid payment of fees or commissions, in any
transaction with any corporation, partnership, or individual, introduced by
either party to the other, in connection with any projects, any loans or
collateral, or funding, or any other transaction involving any products,
transfers or services, or additional, renewal, extension, rollover, amendment,
renegotiation, new contracts, parallel contracts/agreements, or third party
assignments thereto.


     4.   REPRESENTATIONS, WARRANTIES AND CONVENANTS OF PLACEMENT AGENT.

     You represent and warrant to the Corporation as follows:

<PAGE>

Jesup & Lamont Securities Corporation
June 4, 1998
Page 4


          (a)  You are registered as a Broker-Dealer under the Exchange Act,
that you are and shall remain during the offering period a member in good
standing of the NASD and that you are licensed or qualified as a Broker-Dealer,
or otherwise authorized to offer and sell the Common Stock, under the laws of
the jurisdictions in which the Common Stock will be offered and sold by you.

          (b)  You agree that the offers and sales of the Common Stock made by
you will be effected in accordance with the requirements of Section 4(2) of the
Act and Regulation D thereunder, it being understood that you are not
responsible for the accuracy, adequacy, or completeness of the Memorandum
(except for information supplied by you to the Corporation) or any supplemental
information supplied by the Corporation to prospective investors or the actions
or omissions of the Corporation or any affiliates of the Corporation.  Without
limiting the generality of the foregoing, in effecting the offering and sale of
the Common Stock, you will not utilize any form of general solicitation or
general advertising including, but not limited to, any advertisement, article,
notice, or other communication published in any newspaper, magazine, or similar
media or broadcast over television or radio.  You will not make any
representations or transmit any information relating to the Corporation or its
assets or business dealings, the Common Stock or the transactions contemplated
in the Memorandum, other than the information set forth in the Memorandum or
such additional information as is expressly approved by the Corporation.  Any
projections distributed to potential investors developed by the Placement Agent
will be based on information deemed to be reliable and accurate, supplied to the
Placement Agent by the Corporation.

          (c)  You agree that the manner by which you offer the Common Stock
for sale will be in accordance with Blue Sky or other state securities laws
applicable in the jurisdictions in which the Common Stock will be offered and
sold.

          (d)  You will maintain, for a period of three years after the date
of the Closing, a current list of the name and address of each person to whom
you have made an offer and will make the same available to the Corporation in
the event the Corporation shall reasonably believe such access to be necessary
for the purpose of any pending or threatened litigation, arbitration or other
administrative or judicial proceeding or investigation. Upon request, you will
provide the Corporation on a timely basis with such additional information
relating to the offer and sale of the Common Stock by you as the Corporation my
reasonably request or as may be required to enable the Corporation to prepare a
Form D for filing with the Securities and Exchange Commission (the "Commission")
and to prepare such other reports or sale as may be required to be filed under
any applicable Blue Sky laws.

          (e)  You will furnish each prospective investor with the Memorandum
and the Subscription Documents and the offer and sale of Common Stock by you
will be made in accordance with the terms of the Memorandum and the Subscription
Documents.  You will not offer or sell any Common Stock with an understanding
that you will later repurchase or arrange the sale of the same.

          (f)  With respect to engagement of the Participating Broker-Dealers,
you will use due care in selecting participating Broker-Dealers to participate
in the offering and sale of Common Stock.  Each Participating Broker-Dealer is,
and shall remain through the date of the 

<PAGE>

Jesup & Lamont Securities Corporation
June 4, 1998
Page 5


Closing, registered and in good standing with the NASD and is, and shall 
remain through the date of the Closing, licensed or qualified as a 
Broker-Dealer, or otherwise authorized to offer and sell the Common Stock in 
the jurisdictions in which such Participating Broker-Dealer will offer and 
sell the Common Stock    

          (g)  You have been duly organized and are, and at all times through
the Offering Termination Date will be validly existing as a corporation under
the laws of the State of Delaware, with full power and authority to enter into
this Agreement and to be bound by the provisions and the conditions thereof.

          (h)  This Agreement has been duly and validly authorized, executed
and delivered by you and on your behalf and constitutes a legal, valid and
binding obligations, enforceable against you in accordance with their terms,
subject to applicable bankruptcy, insolvency, and other laws affecting the
enforceability of creditors' rights generally and subject to general principals
of equity.

     5.   REPRESENTATIONS, WARRANTIES AND CONVENANTS OF THE CORPORATION.

     The Corporation represents and warrants to you and any Participating
Broker-Dealer engaged by your as follows:

          (a)  The Memorandum, together with any exhibits, supplements and
amendments thereto, does not state any untrue statement of a material fact or
omit to state a material fact necessary to make the statements made therein not
misleading as of the date thereof.  The Corporation further represents and
warrants that all information which it has supplied in connection with this
offering is true and correct in all material respects, and that you are entitled
to rely on such information, including the information set forth in the
Memorandum.

          (b)  The Corporation has been duly organized and is, and at all
times through the date of the Closing will be validly existing and in good
standing as a corporation under the laws of the State of Oklahoma.

          (c)  The Corporation has all of the requisite corporate power and
authority and all necessary authorizations and approvals to enter into this
Agreement and to carry out the provisions and conditions hereof.

          (d)  There is no material litigation, undisclosed liability or
governmental proceeding pending or threatened against or affecting or involving
the business or operations (financial or otherwise) of the Corporation which
would adversely affect the value or the operation of the business of the
Corporation taken as a whole, except as disclosed in the Memorandum.

          (e)  The Corporation covenants and agrees that it will deliver to
you such number of copies of the Memorandum and any amendment or supplement
thereto, with all exhibits, as you may reasonably request.

<PAGE>

Jesup & Lamont Securities Corporation
June 4, 1998
Page 6


          (f)  If at any time any event occurs as a result of which the
Memorandum would include an untrue statement of material fact or, in view of the
circumstances under which they were made, omit to state any material fact
necessary to make the statements therein not materially misleading, the
Corporation will notify you thereof (unless the information shall have been
received from you) and will effect the preparation of an amended or supplemented
Memorandum which will correct such statement or omission.  The Corporation will
deliver to you as many copies of such amended or supplemented Memorandum as you
may reasonably request.

          (g)  The net proceeds from the offering received by the Corporation
shall be applied substantially in the manner set forth in the Memorandum.

          (h)  The Corporation shall make such filings with the Securities and
Exchange Commission and state and other governmental agencies as may be
necessary to assure or confirm exemption of the offering and sale of the Common
Stock from the registration requirements of the Act and of the securities laws
of any state or other jurisdiction in which Common Stock may be offered.

          (i)  The Corporation will not take any action which could reasonably
be expected to jeopardize the exemption under Section 4(2) of the Act and
Regulation D thereunder.

          (j)  Except as set forth in clause (h) above, the Corporation knows
of no consent by any court or governmental agency is necessary to conduct the
offering as described in the Memorandum.

          (k)  This Agreement has been duly authorized and validly executed
and delivered by the Corporation and constitutes a legal, valid and binding
obligation, enforceable against the Corporation in accordance with its terms,
subject to applicable bankruptcy, insolvency, and other laws affecting the
enforceability of creditors' rights generally and subject to general principles
of equity.

          (l)  The Corporation will deliver to the Placement Agent prior to
the Closing a true, correct, and complete copy of each form, report, schedule,
registration statement, definitive proxy statement and other document (together
with all amendments thereof and supplements thereto) requested by the Placement
Agent and filed by the Corporation or any of its subsidiaries with the SEC since
May 15, 1998 (as such documents have, since the time of their filing,  been
amended or supplemented (the "Corporation's SEC Reports"), which are all the
documents (other than preliminary material) that the Corporation and its
subsidiaries were required to file with the Commission since such date.  As of
their respective dates, the Corporation's SEC Reports (i) complied as to form in
all material respects with the requirements of the Act or the Exchange Act, as
the case may be, and (ii) to the best of the Corporation's knowledge, did not
contain any untrue statements of a material fact or omit to state a material
fact required to be stated therein or necessary, in order to make the statements
therein in light of the circumstances under which they were made, not
misleading.  The audited consolidated financial statements and unaudited interim
consolidated financial statements (including, in each case, the notes, if any,
thereto) included in the Corporation's SEC Reports (the "Corporation's 

<PAGE>

Jesup & Lamont Securities Corporation
June 4, 1998
Page 7


Financial Statements") complied as to form in all material respects with the 
published rules and regulations of the Commission with respect thereto, were 
prepared in accordance with generally accepted accounting principles applied 
on a consistent basis during the periods involved (except as may be indicated 
therein or in the notes thereto and except with respect to unaudited 
statements as permitted by Form 10-Q) and fairly present (subject, in the 
case of the unaudited interim financial statements, to normal, recurring 
year-end audit adjustments which are not expected to be, individually or in 
the aggregate, materially adverse to the Corporation and the Corporation's 
subsidiaries taken as a whole) the consolidated financial position of the 
Corporation and its consolidated subsidiaries is treated as a consolidated 
subsidiary of the Corporation in the Corporation' Financial Statements for 
all periods covered thereby.

          (m)  Except as disclosed in the Corporation's SEC Reports filed
prior to the date of this Agreement, (i) since March 31, 1998 there has not been
any change, event or development or combination of changes or developments
(including any worsening of any condition currently existing) having, or that
could be reasonably expected to have, individually or in the aggregate, a
material adverse effect on the Corporation and the Corporation's subsidiaries
taken as a whole (a "Material Adverse Change in the Corporation"), and (ii)
between such date and the date hereof (A) the Corporation and the Corporation's
subsidiaries have conducted their respective business only in the ordinary
course consistent with past practice and (B) neither the Corporation nor any of
the Corporation's subsidiaries has taken any action which, if taken after the
date hereof, would constitute a breach of any provisions of this Agreement.

          (n)  The Corporation will use commercially reasonable efforts to
file a Registration Statement covering the shares of Common Stock, including
those shares issuable upon exercise of the Placement Agents Warrants, within 30
days following the Closing of the Offering contemplated by this Agreement and as
contemplated by the Registration Rights Agreement, a copy of which is attached
hereto as Exhibit A and incorporated by reference herein (the "Rights
Agreement").  The Company agrees that it shall use its best efforts to cause
such Registration Statement to be declared effective by the Commission no later
than 90 days following the Closing.     

          (o)  The Corporation will assure that the Common Stock will be
registered and sold in accordance with Blue Sky or other state securities laws
applicable in the jurisdictions in which the Common Stock will be offered and
sold, and that the Corporation will, at any time, provide evidence, if requested
by the Placement Agent, of compliance with same to the Placement Agent.

     6.   CONDITIONS PRECEDENT TO OBLIGATIONS OF THE PLACEMENT AGENT AND RIGHTS
OF THE CORPORATION.

     The right of the Corporation to obtain the funds received from subscribers
at the Closing is subject to the material accuracy, as of the date of the
Closing, of the representations and warranties of the Corporation set forth
herein, to the performance by the Corporation of its obligations under this
Agreement required to be performed on or before the date of the Closing, and to
the satisfaction of the following further conditions at the time of the Closing.

<PAGE>

Jesup & Lamont Securities Corporation
June 4, 1998
Page 8


          (a)  Receipt by the Placement Agent of a certificate, signed by the
Corporation setting forth in such certificate that the Corporation has performed
all obligations required to be performed by it under this Agreement at or prior
to such Closing, that it has examined the Memorandum and other documents
required to be delivered in connection with the offer and sale of the Common
Stock and that the representations and warranties contained in Section 5 hereof
are true and correct on the date of such Closing with the same force and effect
as though expressly made on such date.

          (b)  At the Closing, receipt by the Placement Agent of an opinion
or opinions of counsel for the Corporation approved by the Placement Agent and
by counsel to the Placement Agent dated the Closing Date, in form and content
reasonably satisfactory to the Placement Agent and counsel to the Placement
Agent, stating that:

               (i)    The Corporation is duly organized, validly existing and in
good standing as a corporation under the laws of the State of Oklahoma.  The
Corporation is qualified to do business and is in good standing in such
jurisdictions where failure to so qualify would have a material adverse effect
on the business of the Corporation when taken as a whole.  The Corporation has
full power and authority to conduct the business in which it intends to engage,
as described in the Memorandum, and to perform all of its obligations hereunder
or contemplated hereby or in the Memorandum.

               (ii)   The Corporation has the requisite authority to execute
and deliver this Agreement, and such Agreement has been duly executed and
delivered by the Corporation, and constitutes the legal, valid and binding
agreement of the Corporation enforceable in accordance with its terms, except
(i) as the enforceability thereof may be limited by the laws of generally, and
(ii) subject to limitation by general principles of equity.

               (iii)  All corporate action required to be taken by the
Corporation to authorize the offering and sale of the Common Stock in accordance
with the Memorandum has been taken.

               (iv)   Based upon an examination of the Memorandum, such
counsel has no reason to believe that the Memorandum, including any amendments
or supplements thereto (but excluding the financial statements as to which
counsel need express no opinion), contains an untrue statement of a material
fact or omits to state a material fact required to be stated therein or
necessary in order to make the statements therein, in light of the circumstances
under which they were made, no misleading.

               (v)    To counsel's knowledge, there is no litigation,
undisclosed liability or governmental proceeding pending or threatened against,
or involving the property or business of the Corporation which might materially
and adversely affect the value of the property or the business of the
Corporation taken as a whole, except as discussed in the Memorandum.

          (c)  Receipt by the Placement Agent of a duly executed copy of the
Rights Agreement, dated as of the date of Closing.

     7.   INDEMNIFICATION.

<PAGE>

Jesup & Lamont Securities Corporation
June 4, 1998
Page 9


          (a)  The Corporation agrees to indemnify and hold harmless you, and
your officers, directors, shareholders, affiliates, agents and employees, and
any Participating Broker-Dealer engaged by you, against any and all losses,
liabilities, claims, damages or expenses whatsoever (including reasonable legal
expenses) but only to the extent such losses, liabilities, claims, damages and
expenses shall arise out of or be based upon: (i) the inaccuracy of any
representation, or a breach of any warranty, convenant, or agreement of the
Corporation contained herein; (ii) any act or omission of the Corporation which
results in the loss or unavailability of any exemption for the offer and sale of
the Common Stock from the registration requirements of the Act or any local
securities law; and (iii) any untrue statement of a material fact contained in
the Memorandum (or in any amendment or supplement thereto), any untrue statement
of a material fact contained in any application or other papers, hereinafter
collectively called Blue Sky applications, filed with the written approval of
the Corporation in any state or states in order to qualify under the securities
laws thereof, or any commission to state therein a material fact necessary to
make the statement contained in such documents not misleading; provided,
however, the Corporation will not be liable in any such case to the extent that
any such losses, liabilities, claims, damages or expenses arise out of or are
based upon an untrue statement or omission made in the Memorandum, any amendment
or amendments, or any Blue Sky application, or arise out of or are based upon
the omission to state in those documents a material fact required to be stated
therein or necessary to make the statements therein not misleading, where such
statement or omission was made in reliance upon information furnished by you to
the Corporation expressly for use in the Memorandum or in any amendment or
amendments thereto, or where such statement or omission was made by you in any
Blue Sky application not in reliance upon any information furnished by the
Corporation.

          (b)  Promptly after receipt by the indemnified party of notice of
the commencement of any action, such indemnified party will notify the
indemnifying party in writing of the commencement thereof, but the omission to
so notify the indemnifying party will not relieve it from any liability which it
may have to any indemnified part.  Where an action is brought against any
indemnified party and where the indemnified party notifies the  indemnifying
party of the commencement thereof, the indemnifying party will be entitled to
participate in and, to the extent that it may wish, jointly with any other
indemnifying party similarly notified, to assume the defense thereof, with
counsel reasonably satisfactory to the indemnified party; after notice by the
indemnifying party of its election to so assume the defense thereof, the
indemnifying party will not be liable to such indemnified party under this
section for any legal or other expenses subsequently incurred by such
indemnified party in connection with the defense thereof, other than the
reasonable costs of investigation.  The indemnifying party shall not be liable
for any settlement of a claim or action by any third party effected without the
written consent of the indemnifying party which consent shall not be
unreasonably withheld.  In any claim for indemnification of federal or state
securities law violations, the party seeking indemnification shall place before
the court the position of the  Commission (and the Oklahoma Securities Division,
if Oklahoma law is applicable) with respect to the issue of indemnification for
securities law violations.

          (c)  If the indemnification provided for in this Section 7 is
unavailable for any reason to any party entitled to such indemnification in
respect of any losses, claims, damages or liabilities referred to herein, then
each applicable indemnifying party, in lieu of indemnifying such 

<PAGE>

Jesup & Lamont Securities Corporation
June 4, 1998
Page 10


indemnified party, shall contribute to the amount paid or payable by such 
indemnified party as a result of such losses, claims, damages or liabilities, 
(i) in such proportions as is appropriate to reflect the relative benefits 
received by the Corporation on the one had and the Placement Agent on the 
other hand from the offering of the Common Stock or (ii) if the allocation 
provided by clause (i) above is not permitted by applicable law, in such 
proportion as is appropriate to reflect not only the relative benefits 
referred to in clause (i) above but also the relative fault of the 
Corporation on the one hand and the Placement Agent on the other hand in 
connection with the statements or other actions or omissions that resulted in 
such losses, claims, damages or liabilities, as well as any other relevant 
equitable considerations.  The relative benefits received by the Corporation 
on the one hand and the  Placement Agent on the other shall be deemed to be 
in the same proportion as the total proceeds from the offering (net of 
commissions and fees to the Placement Agent and their affiliates, but before 
deducting other expenses) received by the Corporation and to the commissions 
and fees received by the Placement Agent and their affiliates.  The relative 
fault of the Corporation on the one hand and of the Placement Agent on the 
other shall be determined by reference to, among other things, whether the 
untrue or alleged untrue statement of a material fact, or the omission to 
state a material fact, if any, relates to information supplied by the 
Corporation or by the Placement Agent and the parties' relative intent, 
knowledge, access to information and opportunity to correct or prevent such 
statement of omission. The amount paid or payable by a party as a result of 
the losses, claims, damages and liabilities referred to above shall be deemed 
to include, subject to the limitations set forth in subsection (b) of this 
Section 7, any reasonable legal or other fees or expenses reasonably incurred 
by such party in connection with investigating or defending any action or claim.

<PAGE>

Jesup & Lamont Securities Corporation
June 4, 1998
Page 11


          (d)  The parties hereto agree that it would not be just and
equitable if contribution pursuant to this Section 7 were determined by pro rata
allocation or by any other method of allocation that does not take account of
the equitable considerations referred to in subsection (c) above. 
Notwithstanding the provision of this Section 7, the Placement Agent shall not
be required to pay any amount in excess of the amount of the commissions
received by the Placement Agent from the offering.  No person guilty of
fraudulent misrepresentation (within the meaning of Section 11(f) of the Act)
shall be entitled to contribution from any person who was not guilty of such
fraudulent misrepresentation.

          (e)  The respective representations, warranties and Convenants set
forth in this Agreement will remain in full force and effect, regardless of any
investigation made by or on behalf of you, the Corporation and any controlling
person or any Participating Broker-Dealer, and will survive for a period of
three (3) years following the final Closing Date regardless of any termination
or cancellation of this Agreement.

     8.   GOVERNING LAWS. 

          This Agreement will be governed by, and construed in accordance with,
the laws of the State of Oklahoma without giving effect to the rules governing
the conflicts of law.

                                       Very truly yours,

                                       LABORATORY SPECIALISTS OF AMERICA, INC. 



                                       By:
                                          ------------------------------------
                                             Name:
                                             Title:




Accepted and agreed to as of
this _____day of June ____, 1998


JESUP & LAMONT SECURITIES CORPORATION


By:
   ----------------------------------
    Name:
    Title:


<PAGE>
                                       
                    LABORATORY SPECIALISTS OF AMERICA, INC.
                      1997 NON-QUALIFIED STOCK OPTION PLAN
                    (AS AMENDED AND RESTATED JULY 20, 1998)

                                   ARTICLE I

                               GENERAL PROVISIONS

      On October 1, 1997, Laboratory Specialists of America, Inc. (the 
"Company") adopted the Laboratory Specialists of America, Inc. 1997 
Non-Qualified Stock Option Plan (the "Original Plan").  On July 20, 1998, the 
Board of Directors of  the Company (the "Board") approved amendment of the 
Original Plan increasing the shares of stock authorized to be issued under 
the Original Plan and readopted the 1997 Stock Option Plan (the "Revised 1997 
Plan"). Amendment of the Original Plan.  The amendment must be approved by 
the shareholders of the Company at the next annual or special meeting of the 
Shareholders of this Corporation to the extent and only in the event such 
approval is required under the Nasdaq Stock Market, Inc.  governance rules.  
If the Revised 1997 Plan requires shareholder approval and such shareholder 
approval is not obtained, (i) the Original Plan will continue in effect and 
(ii) any Options issued under the Revised 1997 Plan shall remain valid and 
unchanged to the extent that such Options contain terms which could have been 
granted under the Original Plan.  The Revised 1997 Plan shall be known as the 
Laboratory Specialists of America, Inc. 1997 Non-Qualified Stock Option Plan 
(the "Plan").  

     1.1  PURPOSE.  The purpose of the Plan shall be to attract, retain and 
motivate directors, executive officers, key employees and independent 
contractors and consultants of the Company and its subsidiaries ("Eligible 
Persons") by way of granting (i) non-qualified stock options ("Stock 
Options") with stock appreciation rights attached ("Stock Option SARs").  For 
the purpose of this Plan, Stock Option SARs are sometimes herein called 
"SARs."  The Stock Options to be granted are intended to be "non-qualified 
stock options" as described in Sections 83 and 421 of the Internal Revenue 
Code of 1986, as amended (the "Code").  Furthermore, under the Plan, the 
terms "parent"  and "subsidiary" shall have the same meaning as set forth in 
Subsections (e) and (f) of Section 425 of the Code unless the context herein 
clearly indicates to the contrary.

     1.2  GENERAL.  The terms and provisions of this Article I shall be 
applicable to Stock Options and SARs unless the context herein clearly 
indicates to the contrary.

     1.3  ADMINISTRATION OF THE PLAN.  The Plan shall be administered by the 
Board of Directors (the "Board") of the Company.  

          1.3.1  BOARD ADMINISTRATION.  The Board shall have the power where
     consistent with the general purpose and intent of the Plan to (i) modify
     the requirements of the Plan to conform with the law or to meet special
     circumstances not anticipated or covered in the Plan, (ii) suspend or
     discontinue the Plan, (iii) establish policies, and (iv) adopt rules and
     regulations and prescribe forms for carrying out the purposes and
     provisions of the Plan including the form of any "stock option agreements"
     ("Stock Option Agreements").  

          1.3.2  PLAN INTERPRETATION.  Unless otherwise provided in the Plan,
     the Board shall have the authority to interpret and construe the Plan, and
     determine all questions arising under the Plan and any agreement made
     pursuant to the Plan.  Any interpretation, decision or determination made
     by the Board shall be final, binding and conclusive. 

          1.3.3  SELECTION OF PARTICIPANTS.  In designating and selecting
     Eligible Persons ("Participants") for participation in the Plan, the Board
     may consult with and give consideration to the recommendations and
     criticisms submitted by appropriate managerial and executive officers of
     the Company.  The Board also 

                                       1
<PAGE>

     shall take into account the duties and responsibilities of the Eligible 
     Persons, their past, present and potential contributions to the success 
     of the Company and such other factors as the Board shall deem relevant in 
     connection with accomplishing the purpose of the Plan.

     1.4  SHARES SUBJECT TO THE PLAN.  Shares of stock ("Stock") covered by 
Stock Options and SARs shall consist of 800,000 shares of the Common Stock, 
$.001 par value, of the Company, subject to adjustment pursuant to Section 
1.7 of the Plan, which may be either authorized and unissued shares or 
treasury shares, as determined in the sole discretion of the Board.  If any 
Option for shares of Stock, granted to a Participant lapses, or is otherwise 
terminated, the Board may grant Stock Options and SARs for such shares of 
Stock to other Participants.  However, Stock Options and SARs shall not be 
granted again for shares of Stock which have been (i) subject to SARs which 
are surrendered in exchange for cash or shares of Stock issued pursuant to 
the exercise of SARs as provided in Article II hereof and (ii) shares 
withheld for tax withholding requirements.

     1.5  PARTICIPATION IN THE PLAN.  The Board shall determine from time to 
time those Eligible Persons who are to be granted Stock Options and SARs and 
the number of shares of Stock covered thereby.  The maximum number of shares 
of Stock for which an employee-Director may be granted Stock Options in any 
calendar year shall not exceed 25 percent of the aggregate number of shares 
of Stock with respect to which Options may be granted under the Plan. 

     1.6  DETERMINATION OF FAIR MARKET VALUE.  As used in the Plan, "fair 
market value" shall mean on any particular day (i) if the Stock is listed or 
admitted for trading on any national securities exchange or the SmallCap 
Market System or the National Market System of Nasdaq Stock Market, Inc. 
("Nasdaq"), the last sale price, or if no sale occurred, the mean between the 
closing high bid and low asked quotations, for such day of the Stock, (ii) if 
Stock is not traded on any national securities exchange but is quoted on an 
automated quotation system or any similar system of automated dissemination 
of quotations or securities prices in common use, the mean between the 
closing high bid and low asked quotations for such day of the Stock on such 
system, (iii) if neither clause (i) nor (ii) is applicable, the mean between 
the high bid and low asked quotations for the Stock as reported by the 
National Daily Quotation Bureau, Incorporated if at least two securities 
dealers have inserted both bid and asked quotations for shares of the Stock 
on at least five (5) of the ten (10) preceding days, (iv) in lieu of the 
above, if actual transactions in the shares of Stock are reported on a 
consolidated transaction reporting system, the last sale price of the shares 
of Stock on such system or, (v) if none of the conditions set forth above is 
met, the fair market value of shares of Stock as determined by the Board.  
Provided, however, for purposes of determining "fair market value" of the 
Common Stock of the Company, such value shall be determined without regard to 
any restriction other than a restriction which will never lapse.

     1.7  ADJUSTMENTS UPON CHANGES IN CAPITALIZATION.  The grants of Stock 
Options shall in no way affect the right of the Company to adjust, 
reclassify, reorganize or otherwise change its capital or business structure 
or to merge, consolidate, dissolve, liquidate or sell or transfer all or any 
part of its assets or business.  The aggregate number of shares of Stock 
under Stock Options granted under the Plan, the Option Price and the total 
number of shares of Stock which may be purchased by a Participant on exercise 
of a Stock Option shall be appropriately adjusted by the Board to reflect any 
recapitalization, stock split, merger, consolidation, reorganization, 
combination, liquidation, stock dividend or similar transaction involving the 
Company.  Provided, however, and notwithstanding the foregoing, (i) a 
dissolution or liquidation of the Company, (ii) a merger or consolidation in 
which the Company is not the surviving or the resulting corporation or (iii) 
a reverse merger in which the Company is the surviving entity but in which 
the securities possessing more than 50 percent of the total combined voting 
power of the Company's outstanding securities are transferred to a person or 
persons different from those who held such securities immediately prior to 
the merger (collectively referred to herein as a "Corporate Transaction"), 
shall cause the Plan and any Stock Option or SAR granted thereunder, to 
terminate upon the effective date of such dissolution, liquidation, merger or 
consolidation, subject to Section 1.21 of the Plan. Provided, further, that 
for the purposes of this Section 1.7, if any merger, consolidation or 
combination occurs in which the Company is not the surviving corporation and 
is the result of a mere change in the identity, form or place of organization 
of the Company 

                                       2
<PAGE>

accomplished in accordance with Section 368(a)(1)(F) of the Code, then, such 
event will not cause a termination of the Plan. Appropriate adjustment may 
also be made by the Board in the terms of a SAR to reflect any of the 
foregoing changes.

     1.8  AMENDMENT AND TERMINATION OF THE PLAN.  The Plan shall terminate at 
midnight, October 1, 2007, but prior thereto may be altered, changed, 
modified, amended or terminated by written amendment approved by the Board.  
Provided, that no action of the Board may amend the Plan in any manner which 
would impair the applicability of Rule 16b-3 under the Securities Exchange 
Act of 1934, as amended, to the Plan.  Except as provided in this Article I, 
no amendment, modification or termination of the Plan shall in any manner 
adversely affect any Stock Option or SAR theretofore granted under the Plan 
without the consent of the affected Participant. 

     1.9  EFFECTIVE DATE.  The Plan shall be effective October 1, 1997 (the 
"Effective Date").

     1.10  SECURITIES LAW REQUIREMENTS.  The Company shall have the right, 
but not the obligation to cause the shares of Stock issuable upon exercise of 
the Options to be registered under the Securities Act of 1933, as amended 
(the "Securities Act") or the securities laws of any state or jurisdiction.  

          1.10.1  RESTRICTIONS ON TRANSFERABILITY AND LEGEND ON CERTIFICATES. 
     As a condition precedent to the grant of any Stock Option or the issuance
     or transfer of shares pursuant to the exercise of any Stock Option, the
     Company may require the Participant or holder to take any reasonable action
     to meet such requirements or to obtain such approvals.  The Company shall
     have the right to restrict the transferability of shares of Stock issued or
     transferred upon exercise of the Stock Options in such manner as it deems
     necessary or appropriate to insure the availability of any exemption from
     registration under the Securities Act and any other applicable securities
     laws or regulations that may be available, including the endorsement with a
     legend reading as follows:

          The shares of Common Stock evidenced by this certificate
          have been issued to the registered owner in reliance upon
          written representations that these shares have been
          purchased solely for investment purposes.  These shares may
          not be sold, transferred or assigned unless in the opinion
          of the Company and its legal counsel such sale, transfer or
          assignment will not be in violation of the Securities Act of
          1933, as amended, and the rules and regulations thereunder.

          1.10.2  REGISTRATION STATEMENT.  If a registration statement covering
     the shares of Stock issuable upon exercise of the Stock Options granted
     under the Plan is filed under the Securities Act, and is declared effective
     the Securities and Exchange Commission, the provisions of Section 1.10.1
     shall terminate during the period of time that such registration statement,
     as periodically amended, remains effective. 

     1.11  SEPARATE CERTIFICATES.  Separate certificates representing the Common
Stock of the Company to be delivered to a Participant upon the exercise of any
Stock Option and SAR will be issued to such Participant.

     1.12  PAYMENT FOR STOCK; RECEIPT OF STOCK OR CASH IN LIEU OF PAYMENT.  

          1.12.1  PAYMENT FOR STOCK.  Payment for shares of Stock purchased
     under this Plan shall be made (i) in full and in cash or check made payable
     to the Company or (ii) may also be made in Common Stock of the Company held
     for the requisite period necessary to avoid a charge to the Company's
     reported earnings and valued at fair market value on the date of exercise
     of the Option, or (iii) a combination of cash and Common Stock of the
     Company.  In the event that Common Stock of the Company is utilized in
     consideration for the purchase of Stock upon the exercise of an Option,
     such Common Stock shall be valued at the "fair market value" as defined in
     Section 1.6 of the Plan.

          1.12.2  RECEIPT OF STOCK IN LIEU OF CASH PAYMENT.  Furthermore, a
     Participant may exercise an 

                                       3
<PAGE>

     Option without payment of the Option Price in the event that the exercise 
     is pursuant to rights under an SAR attached to the Option and such SAR is 
     exercisable on the date of exercise of the Stock Option to which it is 
     attached.  In the event a Stock Option with an SAR attached is exercised 
     without payment of the Option Price  in cash or by check or Common Stock 
     of the Company, the Participant shall be entitled to receive either (i) a 
     cash payment from the Company equal to the excess of the total fair market 
     value of the shares of Stock on such date as determined with respect to 
     which the Stock Option is being exercised over the total cash Option Price 
     of such shares of Stock as set forth in the Stock Option SAR or (ii) that 
     number of whole shares of Stock as is determined by dividing (A) an amount 
     equal to the fair market value per share of Stock on the date of exercise 
     into (B) an amount equal to the excess of the total fair market value of 
     the shares of Stock on such date with respect to which the Stock Option 
     SAR is being exercised over the total cash Option Price of such shares of 
     Stock as set forth in the Stock Option SAR, and fractional shares will be 
     rounded to the next lowest number and the Participant will receive cash in 
     lieu thereof. 

     1.13  INCURRENCE OF DISABILITY AND RETIREMENT.  A Participant shall be 
deemed to have terminated his employment as an employee, his independent 
contractor arrangement or consulting arrangement with the Company and 
incurred a disability ("Disability") if such Participant suffers a physical 
or mental condition which, in the judgment of the Board, totally and 
permanently prevents a Participant from engaging in any substantial gainful 
employment with or the providing of services or consulting for the Company or 
a subsidiary.  A Participant shall be deemed to have terminated employment as 
an employee, independent contractor or a consultant due to retirement 
("Retirement") if such Participant ceases to be an employee, independent 
contractor or a consultant of the Company or its subsidiary, without cause, 
after attaining the age of 55.

     1.14  STOCK OPTIONS GRANTED SEPARATELY.  Because the Board is authorized 
to grant Stock Options and SARs to Participants, the grant thereof and Stock 
Option Agreements relating thereto will be made separately and totally 
independent of each other. 

     1.15  GRANTS OF OPTIONS AND STOCK OPTION AGREEMENT.  Each Stock Option 
and Stock Option SAR granted under this Plan shall be evidenced by the 
minutes of a meeting of the Board or by the written consent of the Board and 
by a written Stock Option Agreement effective on the date of grant and 
executed by the Company and the Participant.  Each Stock Option and Stock 
Option SAR granted hereunder shall contain such terms, restrictions and 
conditions as the Board may determine, which terms, restrictions and 
conditions may or may not be the same in each case.

     1.16  USE OF PROCEEDS.  The proceeds received by the Company from the 
sale of Stock pursuant to the exercise of Stock Options granted under the 
Plan shall be added to the Company's general funds and used for general 
corporate purposes.

     1.17  NON-TRANSFERABILITY OF OPTIONS.  Except as otherwise herein 
provided, any Stock Option or Stock Option SAR granted shall not be 
transferable otherwise than by will or the laws of descent and distribution 
or with the consent of the Company, and the Stock Option and Stock Option SAR 
may be exercised, during the lifetime of the Participant, only by him.  More 
particularly (but without limiting the generality of the foregoing), the 
Stock Option and Stock Option SAR may not be assigned, transferred (except as 
provided above), pledged or hypothecated in any way, shall not be assignable 
by operation of law and shall not be subject to execution, attachment, or 
similar process. Any attempted assignment, transfer, pledge, hypothecation, 
or other disposition of the Stock Option or Stock Option SAR contrary to the 
provisions hereof shall be null and void and without effect.

     1.18  ADDITIONAL DOCUMENTS ON DEATH OF PARTICIPANT.  No transfer of a 
Stock Option or Stock Option SAR by the Participant by will or the laws of 
descent and distribution shall be effective to bind the Company unless the 
Company shall have been furnished with written notice and an unauthenticated 
copy of the will and/or such other evidence as the Board may deem necessary 
to establish the validity of the transfer and the acceptance by the successor 
to the Stock Option or Stock Option SAR of the terms and conditions of such 
Stock Option or Stock 

                                       4
<PAGE>

Option SAR.

     1.19  CHANGES IN EMPLOYMENT.  So long as the Participant shall continue 
to be a director, an employee, an independent contractor or a consultant of 
the Company or any one of its subsidiaries, any Stock Option or Stock Option 
SAR granted to such Participant shall not be affected by any change of duties 
or position.  Nothing in the Plan or in any Stock Option Agreement which 
relates to the Plan shall confer upon any Participant any right to continue 
as a director or in the employ as an employee, independent contractor or 
consultant of the Company or of any of its subsidiaries, or interfere in any 
way with the right of the Company or any of its subsidiaries to terminate 
such Participant as a director, employee or independent contractor or 
consultant at any time.

     1.20  SHAREHOLDER RIGHTS.  No Participant shall have a right as a 
shareholder with respect to any shares of Stock subject to a Stock Option or 
Stock Option SAR prior to the purchase of such shares of Stock by exercise of 
the Stock Option or Stock Option SAR.

     1.21  RIGHT TO EXERCISE UPON COMPANY CEASING TO EXIST.  In the event of 
a Corporate Transaction, the Participant shall have the right immediately 
prior to consummation of the Corporate Transaction to exercise, in whole or 
in part, such Participant's then remaining Stock Options and Stock Option 
SARs whether or not then exercisable, but limited to that number of shares 
that can be acquired without causing the Participant to have an "excess 
parachute payment" as determined under Section 280G of the Code determined by 
taking into account all of Participant's "parachute payments" determined 
under Section 280G of the Code. Provided, the foregoing notwithstanding, 
after the Participant has been afforded the opportunity to exercise his then 
remaining Stock Options and Stock Option SARs as provided in this Section 
1.21, and to the extent such Stock Options and Stock Option SARs are not 
timely exercised as provided in this Section 1.21, then, the terms and 
provisions of this Plan and any Stock Option Agreement will thereafter 
continue in effect, and the Participant will be entitled to exercise any such 
remaining and unexercised Options in accordance with the terms and provisions 
of this Plan and such Stock Option Agreement as such Stock Options and Stock 
Option SARs thereafter become exercisable.  Provided further, that for the 
purposes of this Section 1.21, if any merger, consolidation or combination 
occurs in which the Company is not the surviving corporation and is the 
result of a mere change in the identity, form, or place of organization of 
the Company accomplished in accordance with Section 368(a)(1)(F) of the Code, 
then, such event shall not cause an acceleration of the exercisability of any 
such Stock Options and Stock Option SARs granted hereunder.  

     1.22  ASSUMPTION OF OUTSTANDING STOCK OPTIONS AND STOCK OPTION SARS. Any 
successor to the Company succeeding to, or assigned the business of, the 
Company as the result of or in connection with a corporate merger, 
consolidation, combination, reorganization, dissolution or liquidation 
transaction shall assume all Stock Options and Stock Option SARs outstanding 
under the Plan or issue new Stock Options and Stock Option SARs in place of 
outstanding Stock Options and/or Stock Option SARs under the Plan.

     1.23  TAX WITHHOLDINGS.  The Company's obligation to deliver Stock upon 
the exercise of Stock Options or Stock Option SARs under the Plan shall be 
subject to the satisfaction of all applicable federal, state and local income 
tax withholding requirements. The Board may in its discretion and in 
accordance with the provisions of Section 1.23 and such supplemental rules as 
the Board may from time to time adopt, provide any or all holders of Stock 
Options or Stock Option SARs with the right to use shares of Stock in 
satisfaction of all or part of the federal, state and local income tax 
liabilities incurred by such holders in connection with the exercise of their 
Stock Options or Stock Option SARs ("Taxes").  Such right may be provided to 
any such holders of Stock Options or Stock Option SARs in either or both of 
the following methods:  (i) the holder of a Stock Option or Stock Option SAR 
may be provided with the election, which may be subject to approval by the 
Board, to have the Company withhold, from the Stock otherwise issuable upon 
exercise of such Stock Option or Stock Option SAR, a portion of those shares 
of Stock with an aggregate fair market value equal to the percentage (not to 
exceed 100 percent) of the applicable Taxes designated by the holder of the 
Options, and/or (ii) the Board may, in its discretion, provide the holder of 
the Stock Options or Stock Option SARs with the election to deliver to the 
Company, at the time the Stock Option or 

                                       5
<PAGE>

Stock Option SAR is exercised, one or more shares of Stock previously 
acquired by such holder (other than pursuant to the transaction triggering 
the Taxes) with an aggregate fair market value equal to the percentage (not 
to exceed 100 percent) of the Taxes incurred in connection with such Stock 
Option or Stock Option SAR exercise designated by such holder.

     1.24  GOVERNING LAW.  The Plan shall be governed by and all questions 
hereunder shall be determined in accordance with the laws of the State of 
Oklahoma.

                                   ARTICLE II

                      TERMS OF STOCK OPTIONS AND EXERCISE

     2.1  GENERAL TERMS.

          2.1.1  GRANT AND TERMS FOR STOCK OPTIONS. Stock Options and Stock
     Option SARs shall be granted by the Board on the following terms and
     conditions:  No Stock Options and Stock Option SARs shall be exercisable
     more than 10 years after the date of grant.  Subject to such limitation,
     the Board shall have the discretion to fix the period (the "Option Period")
     during which any Stock Option or Stock Option SAR may be exercised.  Stock
     Options and Stock Option SARs granted shall not be transferable except by
     will or by the laws of descent and distribution or with the consent of the
     Company. Stock Options and Stock Option SARs shall be exercisable only by
     the Participant while serving as a Director of the Company or a subsidiary
     or while actively employed as an employee, an independent contractor or a
     consultant by the Company or a subsidiary, except that (i) any such Stock
     Option granted and which is otherwise exercisable, may be exercised by the
     personal representative of a deceased Participant within 12 months after
     the death of such Participant (but not beyond the Option Period of such
     Stock Option), (ii) if a Participant is terminated as a Director, an
     employee, an independent contractor or a consultant of the Company or a
     subsidiary on account of Retirement, such Participant may exercise any
     Stock Option which is otherwise exercisable at any time within three months
     of such date of termination, or (iii) if a Participant is terminated as a
     Director, as an employee, an independent contractor or a consultant of the
     Company or a subsidiary on account of incurring a Disability, such
     Participant may exercise any Stock Option which is otherwise exercisable at
     any time within 12 months of such date of termination.  If a Participant
     should die during the applicable three-month or 12-month period following
     the date of such Participant's Retirement or termination on account of
     Disability, the rights of the personal representative of such deceased
     Participant as such relate to any Stock Options and Stock Option SARs
     granted to such deceased Participant shall be governed in accordance with
     Subsection 2.1.1(i) of this Article II.

          2.1.2  OPTION PRICE.  The option price ("Option Price") for shares of
     Stock subject to Stock Options and Stock Option SARs shall be determined by
     the Board, but in no event shall such Option Price be less than 85 percent
     of the fair market value of the Stock on the date of grant.  

          2.1.3  ACCELERATION OF OTHERWISE UNEXERCISABLE STOCK OPTION ON
     RETIREMENT, DEATH, DISABILITY OR OTHER SPECIAL CIRCUMSTANCES.  The Board,
     in its sole discretion, may permit (i) a Participant who is terminated as a
     Director, an employee, an independent contractor or a consultant due to
     Retirement or Disability, (ii) the personal representative of a deceased
     Participant, or (iii) any other Participant who is terminated as a
     Director, an employee, an independent contractor or a consultant upon the
     occurrence of special circumstances (as determined by the Board), to
     exercise and purchase (within three years of such date of such
     Participant's termination) all or any part of the shares subject to Stock
     Options and Stock Option SARs on the date of the Participant's termination,
     Retirement, Disability, death, or as the Board otherwise so determines,
     notwithstanding that all installments, if any, with respect to such Stock
     Option or Stock Option SAR, had not accrued on such termination date. 

          2.1.4  NUMBER OF STOCK OPTIONS GRANTED.  Participants may be granted
     more than one Stock 

                                       6
<PAGE>

     Option and Stock Option SAR.  In making any such determination, the Board 
     shall obtain the advice and recommendation of the officers of the Company 
     or a subsidiary which have supervisory authority over such Participants.  
     The granting of a Stock Option or Stock Option SAR under the Plan shall 
     not affect any outstanding Stock Options or Stock Option SARs previously 
     granted to a Participant under the Plan.

          2.1.5  NOTICE OF EXERCISE STOCK OPTION.  Upon exercise of a Stock
     Option or Stock Option SAR, a Participant shall give written notice to the
     Secretary of the Company, or other officer designated by the Board, at the
     Company's main office in Oklahoma City, Oklahoma.  No Stock shall be issued
     to any Participant until the Company receives full payment for the Stock
     purchased, if applicable, and any required Taxes as provided in the Plan
     and the Stock Option Agreement.

                                  ARTICLE III

                                      SARS

3.1 GENERAL TERMS.

          3.1.1  GRANT AND TERMS OF SARS.  The Board grant SARs to Participants
     in connection with Stock Options granted under the Plan.  SARs shall
     terminate at such time as the Board determines and shall be exercised only
     upon surrender of the related Stock Option and only to the extent that the
     related Stock Option (or the portion thereof as to which the SAR is
     exercisable) is exercised.  SARs may be exercised only by the Participant
     while a director, an employee, an independent contractor or a consultant
     of the Company or a subsidiary except that (i) any SARs previously granted
     to a Participant which are otherwise exercisable may be exercised, with the
     approval of the Board, by the personal representative of a deceased
     Participant (but not beyond the expiration date of such SAR), and (ii) if a
     Participant is terminated as a director, an employee, an independent
     contractor or a consultant of the Company or a subsidiary, as the case may
     be, on account of Retirement or Disability, such Participant may exercise
     any SARs which are otherwise exercisable, with the approval of the Board,
     anytime within three months of the date of the termination by Retirement or
     within 12 months of termination by Disability.  If a Participant should die
     during the applicable three-month period following the date of such
     Participant's Retirement or during the applicable 12 month period following
     the date of termination on account of Disability, the rights of the
     personal representative of such deceased Participant as such relate to any
     SARs granted to such deceased Participant shall be governed in accordance
     with (i) of the second sentence of this Subsection 3.1.1.  The applicable
     SAR shall (i) terminate upon the termination of the underlying Stock Option
     (ii) only be transferable at the same time and under the same conditions as
     the underlying Stock Option is transferable, (iii) only be exercised when
     the underlying Stock Option is exercised, and (iv) may be exercised only if
     there is a positive spread between the Option Price and the fair market
     value of the Stock for which the SAR is exercised.

          3.1.2 ACCELERATION OF OTHERWISE UNEXERCISABLE SARS ON RETIREMENT,
     DEATH, DISABILITY OR OTHER SPECIAL CIRCUMSTANCES.  The Board, in its sole
     discretion, may permit (i) a Participant is terminated as a director, an
     employee, an independent contractor, or a consultant with the Company or a
     subsidiary due to Retirement or Disability, (ii) the personal
     representative of such deceased Participant, or (iii) any other Participant
     who is terminated as director, an employee, an independent contractor or a
     consultant with the Company or a subsidiary upon the occurrence of special
     circumstances (as determined by the Board) to exercise (within three years
     of such date of such termination) all or any part of any such SARs
     previously granted to such Participant as of the date of such Participant's
     termination, Retirement, Disability, death, or as the Board otherwise so
     determines, notwithstanding that all installments, if any with respect to
     such SARs, had not accrued on such date. 

          3.1.3  FORM OF PAYMENT OF SARS.  The Participant may request the
     method and combination of 

                                       7
<PAGE>

     payment upon the exercise of a SAR; however, the Board has the final 
     authority to determine whether the value of the SAR shall be paid in cash 
     or shares of Stock or both.  Upon exercise of a SAR, the holder is 
     entitled to receive the excess amount of the fair market value of the 
     Stock (as of the date of exercise) for which the SAR is exercised over 
     the Option Price under the related Stock Option.  All applicable Taxes 
     will be paid by the Participant to the Company upon the exercise of a 
     SAR in accordance with Section 1.23.












                                       8

<PAGE>

                                       
                              EMPLOYMENT AGREEMENT
                             (Amended and Restated)

     THIS EMPLOYMENT AGREEMENT (this "Agreement"), shall be effective the 
15th day of April, 1994, by and between Laboratory Specialists of America, 
Inc. (the "Company"), an Oklahoma corporation, and John Simonelli, an 
individual ("Simonelli").

     WHEREAS, the parties hereto entered into this Employment Agreement on 
April 15, 1994, which was amended and restated on September 9, 1994, April 
23, 1996 and September 26, 1997;

     WHEREAS, the parties have determined that it is in the best interest of 
the Company that this Agreement be further amended to extend the term of this 
Agreement, effective as of the date hereof; 

     NOW, THEREFORE, for and in consideration of the conditions hereinbelow 
to be performed on the part of the respective parties hereto, and in 
consideration of the mutuality thereof, the parties hereto agree as follows:

     1.  TERM OF EMPLOYMENT.  The Company hereby agrees to employ Simonelli, 
and Simonelli hereby agrees to serve the Company, during the period beginning 
on April 15, 1996 and ending on April 15, 2000 (the "Period of Employment"), 
or on such earlier date as provided in Sections 4 and 5 hereof; provided, 
however, that the Period of Employment shall be extended an additional one 
year period to next April 15 immediately following the end of each full year 
of employment with the Company that Simonelli completes pursuant to and 
accordance with this Agreement.

     2.  DUTIES.  Substantially all of the duties and responsibilities of 
Simonelli, subject to such travel as the duties of Simonelli hereunder may 
reasonably require, shall be performed by Simonelli at and from the corporate 
offices of the Company in Oklahoma City, Oklahoma.  

          2.1  During the Employment Period, Simonelli shall devote such time,
     attention, skill, energy and best efforts to the duties assigned to him
     from time to time by management and/or the Board of Directors of the
     Company, and shall, but without obligation hereunder, serve the Company in
     the executive officer positions to which he may be elected or appointed by
     the Board of Directors of the Company, subject to acceptance by Simonelli
     of such executive officer position or positions.  Notwithstanding the
     foregoing, Simonelli shall be required to devote not less than 50 percent
     of his full business time, attention, skill, energy and efforts to the
     performance of his duties hereunder; provided, however, that Simonelli may
     engage in any other employment or pursuit of other endeavors which does not
     conflict with his ability to perform his duties to the business interests
     of the Company, provided that such other employment or pursuit of other
     endeavors does not violate the duty of loyalty and care which Simonelli has
     to the Company by reason of this Agreement or in his capacity as an
     executive officer of the Company.

          2.2  As an employee of the Company, Simonelli shall be subject to the
     overall supervision and instructions of management of the Company and, if
     applicable, that are associated with the executive officer position or
     positions held by Simonelli which shall be subject to the overall
     supervision and instructions of the Board of Directors to the Company.

     3.  COMPENSATION AND OTHER BENEFITS.  During the Employment Period, the 
Company shall pay or provide to Simonelli and Simonelli shall be entitled to 
receive or have maintained for his benefit, the following:

          3.1  Effective July 1, 1998, the Company shall compensate Simonelli
     for the services to be rendered by him thereunder at the rate of one
     hundred fifty-two thousand five hundred dollars ($152,500) per year,
     payable in equal semi-monthly installments on the first and fifteen day of
     each month, commencing on July 15, 

                                       1
<PAGE>

     1998.

          3.2  In addition to the compensation payable to Simonelli pursuant to
     Section 3.1 hereof, within 90 days following the end of each fiscal year of
     Laboratory Specialists of America, Inc. ending during the Employment
     Period, the Company shall pay Simonelli a bonus equal to one percent of the
     net income from continuing operations of Laboratory Specialists, Inc.
     before provision for income taxes determined in accordance with generally
     accepted accounting principles as reflected on the audited financial
     statements of Laboratory Specialists of America, Inc. for the immediately
     preceding fiscal year.  The bonus payable pursuant to this Section 3.2
     shall be deemed earned by Simonelli as of the end of each such fiscal year
     of Laboratory Specialists of America, Inc. for all intents and purposes,
     including for federal income tax purposes, notwithstanding termination of
     the employment of Simonelli on or after the end of such fiscal year of
     Laboratory Specialists of America, Inc.  To the extent that bonuses or
     stock options are paid or granted by the Board of Directors to its
     executive officers, Simonelli shall be deemed to be a member of the bonus
     group or group to which stock options are granted, and his bonus or stock
     option grants shall be determined in the same manner as are the bonuses or
     stock option grants of other executives in the group.

          3.3  Simonelli is hereby authorized to incur reasonable expenses for
     the promotion of the Company's business, including entertainment, travel
     and similar expenses, and he shall be reimbursed therefore by the Company
     upon his presentation of itemized accounts of such expenditures.

          3.4  The Company shall provide to Simonelli health and disability
     insurance benefits comparable to those provided to the executive officers
     of the Company either as a group or individually.

          3.5  Simonelli shall be entitled to reasonable periods of vacation
     with pay in each year, and reasonable periods of sick leave with pay
     commensurate with his position, in accordance with Company policy as
     established by the Board of Directors.

          3.6  The Company shall provide to Simonelli and maintain insurance, at
     the Company's cost and expense, covering the life of Simonelli in the face
     amount of five hundred thousand dollars ($500,000), the proceeds of which
     shall be payable to such beneficiary that Simonelli shall designate or in
     the event of failure to designate a named beneficiary shall be payable to
     the estate of Simonelli.

          3.7  The Company shall pay to Simonelli an automobile allowance of
     five hundred dollars ($500) per month, payable on the fifteen day of each
     month while employed pursuant to this Agreement, and shall provide at the
     sole cost and expense of the Company a mobile phone to assist Simonelli in
     the performance of his duties and responsibilities as an employee and, if
     applicable, executive officer of the Company.

     4.  DISABILITY OR DEATH.

          4.1  In the event the Board of Directors of the Company determines in
     good faith that Simonelli is unable, because of physical or mental illness
     or disability, to render services of the character contemplated hereby and
     that such disability reasonably may be expected to be permanent or to
     continue for a period of at least six (6) consecutive months (or for
     shorter periods totaling more than six (6) months during any period of
     eighteen (18) consecutive months), in such event the Board of Directors of
     the Company may elect to terminate the employment of Simonelli hereunder
     upon written notice by the Company to Simonelli effective on the next first
     or fifteenth day of the month following the date of such notice.  At any
     time and upon reasonable request therefor by the Company, Simonelli shall
     submit to medical examination by a physician designated by the Company in
     Oklahoma City, Oklahoma, for the purpose of determining the existence,
     nature and extent of any such disability.  In the event the Board of
     Directors elects to terminate the employment of Simonelli pursuant to this
     Section 4.1, Simonelli shall be entitled to receive any amount of
     compensation determined pursuant to Section 3.1 up to the date of the
     termination of the employment of Simonelli payable 

                                       2
<PAGE>

     on the dates established pursuant to Section 3.1.

          4.2  In the event Simonelli shall die during the Employment Period,
     this Agreement shall terminate effective on the next first or fifteenth day
     of the month following the date of death, and the Company shall pay to the
     spouse of Simonelli, or if unmarried at the time of his death, to the
     estate of Simonelli, the compensation payable to Simonelli pursuant to
     Section 3.1 for a period of three (3) months following the effective date
     of termination of this Agreement pursuant to this Section 4.2, payable on
     the dates provided for such compensation payment thereunder.

          4.3  In the event of termination of this Agreement pursuant to Section
     4.1 and/or Section 4.2 of this Agreement, Simonelli (or his spouse or if
     unmarried on the date of his death his estate) shall be entitled to receive
     accrued and unpaid expense reimbursements, automobile allowance and any
     unpaid bonus amounts awarded to Simonelli prior to such termination and
     stock option grants awarded to Simonelli prior to such termination
     exercisable in accordance with the terms of such stock option grants.

     5.  TERMINATION FOR CAUSE.  In the event the Board of Directors of the 
Company determines in good faith that Simonelli is guilty of gross negligence 
or fraud materially injurious to the Company, the Company may terminate this 
Agreement, and all obligations hereunder shall thereupon terminate.

     6.  NON-COMPETITION.  During the Employment Period, or, if longer, the 
period of employment of Simonelli by the Company, Simonelli will not engage 
in competition with the Company, either directly or indirectly, in any manner 
or capacity as an employee or executive officer of a competitor company in 
any phase of the business carried on by the Company at any time.

     7.  CONFIDENTIALITY.  During the Employment Period, or, if longer, the 
period of employment of Simonelli by the Company, and for a period of three 
(3) years thereafter, Simonelli will not divulge to anyone, other than the 
Company or persons designated by the Company in writing, any confidential 
material information directly or indirectly useful in any aspect of the 
business of the Company or any of its subsidiaries, as conducted from time to 
time, as to which Simonelli is now, or at any time during employment shall 
become, informed and which is not then generally known to the public or 
recognized as standard practice.

     8.  CERTAIN PROVISIONS TO SURVIVE TERMINATION; ETC.  Notwithstanding any 
termination of his employment under this Agreement, Simonelli, in 
consideration of his employment hereunder to the date of such termination, 
shall remain bound by the provisions of Section 6 and 7, and consequently, in 
addition to all other remedies that may be available to it, the Company shall 
be entitled to injunctive relief for any actual or threatened violation of 
such Sections.

     9.  NON-ASSIGNABILITY.  Neither party hereto shall have the right to 
assign this Agreement or any rights or obligations hereunder without the 
written consent of the other party.

     10.  ARBITRATION.  Any controversy or claim arising out of or relating 
to this Agreement, or the breach thereof, shall be settled by arbitration in 
accordance with the Rules of the American Arbitration Association and 
judgment upon the award rendered by the arbitrator or arbitrators may be 
entered in any court having jurisdiction thereof.  The arbitration 
proceedings shall be conducted in Oklahoma City, Oklahoma unless otherwise 
agreed by the parties hereto.  The arbitrator or arbitrators shall be deemed 
to possess the powers to issue mandatory orders and restraining orders in 
connection with such arbitration; provided, however, that nothing in this 
Section 10 shall be construed so as to deny the Company the right and power 
to seek and obtain injunctive relief in a court of equity for any breach or 
threatened breach by Simonelli of any of his covenants contained in Sections 
6 and 7 hereof. 

     11.  NOTICE.  All notices required or permitted to be given hereunder 
shall be in writing and shall be deemed to have been given forty-eight (48) 
hours after depositing in the United States mail, certified mail, postage 
prepaid, addressed to the party to receive such notice at the address set 
forth hereinbelow or such other address as either party 

                                       3
<PAGE>

may give to the other in writing pursuant to written notice pursuant to this 
Section:

          If to Simonelli:         Mr. John Simonelli
                                   101 Park Avenue, Suite 810
                                   Oklahoma City, Oklahoma 73112

          If to the Company:       Laboratory Specialists of America, Inc.
                                   101 Park Avenue, Suite 810
                                   Oklahoma City, Oklahoma 73112
                                   Attention: Larry E. Howell

     12.  GENERAL.  The terms and provisions herein contained (i) constitute 
the entire Agreement between the Company and Simonelli with respect to the 
subject matter hereof, (ii) may be amended or modified only by a written 
instrument executed by the parties hereto, and (iii) shall be construed and 
enforced in accordance with the laws in effect in the State of Oklahoma 
without regard to its conflicts of law provisions.  Failure by a party hereto 
to require performance of any provision of this Agreement shall not affect, 
impair or waive such party's right to require full performance at any time 
thereafter.

     It is acknowledged that the furniture, equipment and artwork in the 
corporate offices of the Company in Oklahoma City, Oklahoma are the property 
of Larry E. Howell and Simonelli.

     This Agreement may be executed in two or more counterparts, each of 
which shall be deemed an original but all of which together shall constitute 
one and the same instrument.

     IN WITNESS WHEREOF, the parties hereto have duly executed this 
Agreement, as amended and restated, on the 16th day of July, 1998, with an 
effective date of the 1st day of July, 1998.

"Company"                     LABORATORY SPECIALISTS OF AMERICA, INC.


                              By:
                                   --------------------------------------------
                                   Larry E. Howell, President


"Simonelli"                        
                                   --------------------------------------------
                                   John Simonelli






                                       4

<PAGE>
                                       
                              EMPLOYMENT AGREEMENT
                             (Amended and Restated)

     THIS EMPLOYMENT AGREEMENT (this "Agreement"), shall be effective the 
15th day of April, 1994, by and between Laboratory Specialists of America, 
Inc. (the "Company"), an Oklahoma corporation, and Larry E. Howell, an 
individual ("Howell").

     WHEREAS, the parties hereto entered into this Employment Agreement on 
April 15, 1994, which was amended and restated on September 9, 1994, April 
23, 1996 and September 26, 1997;

     WHEREAS, the parties have determined that it is in the best interest of 
the Company that this Agreement be further amended to extend the term of this 
Agreement, effective as of April 15, 1996; 

     NOW, THEREFORE, for and in consideration of the conditions hereinbelow 
to be performed on the part of the respective parties hereto, and in 
consideration of the mutuality thereof, the parties hereto agree as follows:

     1.  TERM OF EMPLOYMENT.  The Company hereby agrees to employ Howell, and 
Howell hereby agrees to serve the Company, during the period beginning on 
April 15, 1996, and ending on April 15, 2000 (the "Employment Period"), or on 
such earlier date as provided in Sections 4 and 5 hereof; provided, however, 
that the Period of Employment shall be extended an additional one year period 
to next April 15 immediately following the end of each full year of 
employment with the Company that Howell completes pursuant to and accordance 
with this Agreement.

     2.  DUTIES.  Substantially all of the duties and responsibilities of 
Howell, subject to such travel as the duties of Howell hereunder may 
reasonably require, shall be performed by Howell at and from the corporate 
offices of the Company in Oklahoma City, Oklahoma.  

          2.1  During the Employment Period, Howell shall devote such time,
     attention, skill, energy and best efforts to the duties assigned to him
     from time to time by management and/or the Board of Directors of the
     Company, and shall, but without obligation hereunder, serve the Company in
     the executive officer positions to which he may be elected or appointed by
     the Board of Directors of the Company, subject to acceptance by Howell of
     such executive officer position or positions.  Notwithstanding the
     foregoing, Howell shall be required to devote not less than 50 percent of 
     his full business time, attention, skill, energy and efforts to the
     performance of his duties hereunder; provided, however, that Howell may
     engage in any other employment or pursuit of other endeavors which does not
     conflict with his ability to perform his duties to the business interests
     of the Company, provided that such other employment or pursuit of other
     endeavors does not violate the duty of loyalty and care which Howell has to
     the Company by reason of this Agreement or in his capacity as an executive
     officer of the Company.

          2.2  As an employee of the Company, Howell shall be subject to the
     overall supervision and instructions of management of the Company and, if
     applicable, that are associated with the executive officer position or
     positions held by Howell which shall be subject to the overall supervision
     and instructions of the Board of Directors to the Company.

     3.  COMPENSATION AND OTHER BENEFITS.  During the Employment Period, the 
Company shall pay or provide to Howell and Howell shall be entitled to 
receive or have maintained for his benefit, the following:

          3.1  Effective July 1, 1998, the Company shall compensate Howell for
     the services to be rendered by him thereunder at the rate of one hundred
     fifty-two thousand five hundred dollars ($152,500) per year, payable in
     equal semi-monthly installments on the first and fifteen day of each month,
     commencing on July 15, 1998.

                                       1
<PAGE>

          3.2  In addition to the compensation payable to Howell pursuant to
     Section 3.1 hereof, within 90 days following the end of each fiscal year of
     Laboratory Specialists of America, Inc. ending during the Employment
     Period, the Company shall pay Howell a bonus equal to one percent of the
     net income from continuing operations of Laboratory Specialists, Inc.
     before provision for income taxes determined in accordance with generally
     accepted accounting principles as reflected on the audited financial
     statements of Laboratory Specialists of America, Inc. for the immediately
     preceding fiscal year.  The bonus payable pursuant to this Section 3.2
     shall be deemed earned by Simonelli as of the end of each such fiscal year
     of Laboratory Specialists of America, Inc. for all intents and purposes,
     including for federal income tax purposes, notwithstanding termination of
     the employment of Howell on or after the end of such fiscal year of
     Laboratory Specialists of America, Inc.  To the extent that bonuses or
     stock options are paid or granted by the Board of Directors to its
     executive officers, Howell shall be deemed to be a member of the bonus
     group or group to which stock options are granted, and his bonus or stock
     option grants shall be determined in the same manner as are the bonuses or
     stock option grants of other executives in the group.

          3.3  Howell is hereby authorized to incur reasonable expenses for the
     promotion of the Company's business, including entertainment, travel and
     similar expenses, and he shall be reimbursed therefore by the Company upon
     his presentation of itemized accounts of such expenditures.

          3.4  The Company shall provide to Howell health and disability
     insurance benefits comparable to those provided to the executive officers
     of the Company either as a group or individually.

          3.5  Howell shall be entitled to reasonable periods of vacation with
     pay in each year, and reasonable periods of sick leave with pay
     commensurate with his position, in accordance with Company policy as
     established by the Board of Directors.

          3.6  The Company shall provide to Howell and maintain insurance, at
     the Company's cost and expense, covering the life of Howell in the face
     amount of five hundred thousand dollars ($500,000), the proceeds of which
     shall be payable to such beneficiary that Howell shall designate or in the
     event of failure to designate a named beneficiary shall be payable to the
     estate of Howell.

          3.7  The Company shall pay to Howell an automobile allowance of five
     hundred dollars ($500) per month, payable on the fifteen day of each month
     while employed pursuant to this Agreement, and shall provide at the sole
     cost and expense of the Company a mobile phone to assist Howell in the
     performance of his duties and responsibilities as an employee and, if
     applicable, executive officer of the Company.

     4.  DISABILITY OR DEATH.

          4.1  In the event the Board of Directors of the Company determines in
     good faith that Howell is unable, because of physical or mental illness or
     disability, to render services of the character contemplated hereby and
     that such disability reasonably may be expected to be permanent or to
     continue for a period of at least six (6) consecutive months (or for
     shorter periods totaling more than six (6) months during any period of
     eighteen (18) consecutive months), in such event the Board of Directors of
     the Company may elect to terminate the employment of Howell hereunder upon
     written notice by the Company to Howell effective on the next first or
     fifteenth day of the month following the date of such notice.  At any time
     and upon reasonable request therefor by the Company, Howell shall submit to
     medical examination by a physician designated by the Company in Oklahoma
     City, Oklahoma, for the purpose of determining the existence, nature and
     extent of any such disability.  In the event the Board of Directors elects
     to terminate the employment of Howell pursuant to this Section 4.1, Howell
     shall be entitled to receive any amount of compensation determined pursuant
     to Section 3.1 up to the date of the termination of the employment of
     Howell payable on the dates established pursuant to Section 3.1.

                                       2
<PAGE>

          4.2  In the event Howell shall die during the Employment Period, this
     Agreement shall terminate effective on the next first or fifteenth day of
     the month following the date of death, and the Company shall pay to the
     spouse of Howell, or if unmarried at the time of his death, to the estate
     of Howell, the compensation payable to Howell pursuant to Section 3.1 for a
     period of three (3) months following the effective date of termination of
     this Agreement pursuant to this Section 4.2, payable on the dates provided
     for such compensation payment thereunder.

          4.3  In the event of termination of this Agreement pursuant to Section
     4.1 and/or Section 4.2 of this Agreement, Howell (or his spouse or if
     unmarried on the date of his death his estate) shall be entitled to receive
     accrued and unpaid expense reimbursements, automobile allowance and any
     unpaid bonus amounts awarded to Howell prior to such termination and stock
     option grants awarded to Howell prior to such termination exercisable in
     accordance with the terms of such stock option grants.

     5.  TERMINATION FOR CAUSE.  In the event the Board of Directors of the 
Company determines in good faith that Howell is guilty of gross negligence or 
fraud materially injurious to the Company, the Company may terminate this 
Agreement, and all obligations hereunder shall thereupon terminate.

     6.  NON-COMPETITION.  During the Employment Period, or, if longer, the 
period of employment of Howell by the Company, Howell will not engage in 
competition with the Company, either directly or indirectly, in any manner or 
capacity as an employee or executive officer of a competitor company in any 
phase of the business carried on by the Company at any time.

     7.  CONFIDENTIALITY.  During the Employment Period, or, if longer, the 
period of employment of Howell by the Company, and for a period of three (3) 
years thereafter, Howell will not divulge to anyone, other than the Company 
or persons designated by the Company in writing, any confidential material 
information directly or indirectly useful in any aspect of the business of 
the Company or any of its subsidiaries, as conducted from time to time, as to 
which Howell is now, or at any time during employment shall become, informed 
and which is not then generally known to the public or recognized as standard 
practice.

     8.  CERTAIN PROVISIONS TO SURVIVE TERMINATION; ETC.  Notwithstanding any 
termination of his employment under this Agreement, Howell, in consideration 
of his employment hereunder to the date of such termination, shall remain 
bound by the provisions of Section 6 and 7, and consequently, in addition to 
all other remedies that may be available to it, the Company shall be entitled 
to injunctive relief for any actual or threatened violation of such Sections.

     9.  NON-ASSIGNABILITY.  Neither party hereto shall have the right to 
assign this Agreement or any rights or obligations hereunder without the 
written consent of the other party.

     10.  ARBITRATION.  Any controversy or claim arising out of or relating 
to this Agreement, or the breach thereof, shall be settled by arbitration in 
accordance with the Rules of the American Arbitration Association and 
judgment upon the award rendered by the arbitrator or arbitrators may be 
entered in any court having jurisdiction thereof.  The arbitration 
proceedings shall be conducted in Oklahoma City, Oklahoma unless otherwise 
agreed by the parties hereto.  The arbitrator or arbitrators shall be deemed 
to possess the powers to issue mandatory orders and restraining orders in 
connection with such arbitration; provided, however, that nothing in this 
Section 10 shall be construed so as to deny the Company the right and power 
to seek and obtain injunctive relief in a court of equity for any breach or 
threatened breach by Howell of any of his covenants contained in Sections 6 
and 7 hereof. 

     11.  NOTICE.  All notices required or permitted to be given hereunder 
shall be in writing and shall be deemed to have been given forty-eight (48) 
hours after depositing in the United States mail, certified mail, postage 
prepaid, addressed to the party to receive such notice at the address set 
forth hereinbelow or such other address as either party may give to the other 
in writing pursuant to written notice pursuant to this Section:

                                       3
<PAGE>

          If to Howell:            Mr. Larry E. Howell
                                   101 Park Avenue, Suite 810
                                   Oklahoma City, Oklahoma 73112

          If to the Company:       Laboratory Specialists of America, Inc.
                                   101 Park Avenue, Suite 810
                                   Oklahoma City, Oklahoma 73112
                                   Attention: John Simonelli

     12.  GENERAL.  The terms and provisions herein contained (i) constitute the
entire Agreement between the Company and Howell with respect to the subject
matter hereof, (ii) may be amended or modified only by a written instrument
executed by the parties hereto, and (iii) shall be construed and enforced in
accordance with the laws in effect in the State of Oklahoma without regard to
its conflicts of law provisions.  Failure by a party hereto to require
performance of any provision of this Agreement shall not affect, impair or waive
such party's right to require full performance at any time thereafter.

     It is acknowledged that the furniture, equipment and artwork in the
corporate offices of the Company in Oklahoma City, Oklahoma are the property of
John Simonelli and Howell.

     This Agreement may be executed in two or more counterparts, each of which
shall be deemed an original but all of which together shall constitute one and
the same instrument.

     IN WITNESS WHEREOF, the parties hereto have duly executed this Agreement,
as amended and restated, on the 16th day of July, 1998, with an effective date
of the 1st day of July, 1998.

"Company"                     LABORATORY SPECIALISTS OF AMERICA, INC.


                              By:
                                   --------------------------------------------
                                   John Simonelli, Chief Executive Officer


"Howell"                                                                    
                                   --------------------------------------------
                                   Larry E. Howell





                                       4

<PAGE>

                              EMPLOYMENT AGREEMENT
                             (Amended and Restated)

     THIS EMPLOYMENT AGREEMENT (this "Agreement"), dated this 16th day of 
July, 1997 (the "date hereof"), with an effective date of the 15th day of 
April, 1996 (the "effective date"), by and between Laboratory Specialists, 
Inc. (the "Company"), a Louisiana corporation, and Arthur R. Peterson, Jr., 
an individual ("Peterson").

     WHEREAS, the parties hereto entered into this Employment Agreement on 
April 23, 1996, which was amended and restated on September 26, 1997;

     WHEREAS, the parties have determined that it is in the best interest of 
the Company that this Agreement be further amended to extend the term of this 
Agreement, effective as of the date hereof; 

     WHEREAS, Peterson is currently serving as President and Chief Executive 
Officer of the Company;

     WHEREAS, the Company is a wholly-owned subsidiary of Laboratory 
Specialists of America, Inc., of which Peterson is currently serving as 
Treasurer; 

     WHEREAS, the Company desires to obtain the services of Peterson on a 
full-time basis in order to preserve the continuation of the operations of 
the Company with its suppliers, customers and others, and Peterson desires to 
render such services to the Company;

     NOW, THEREFORE, for and in consideration of the conditions hereinbelow 
to be performed on the part of the respective parties hereto, and in 
consideration of the mutuality thereof, the parties hereto agree as follows:

     1.  TERM OF EMPLOYMENT. The Company hereby agrees to employ Peterson, 
and Peterson hereby agrees to serve the Company, during the period beginning 
on April 15, 1996 and ending on April 15, 2000 (the "Period of Employment"), 
or on such earlier date as provided in Sections 4 and 5 hereof; provided, 
however, that the Period of Employment shall be extended an additional one 
year period to next April 15 immediately following the end of each full year 
of employment with the Company that Peterson completes pursuant to and 
accordance with this Agreement.

     2.  DUTIES.  Substantially all of the duties and responsibilities of 
Peterson, subject to such travel as the duties of Peterson hereunder may 
reasonably require, shall be performed by Peterson at and from the corporate 
offices of the Company in Belle Chasse, Louisiana.  

          2.1  During the Period of Employment, Peterson shall serve as
     President and Chief Executive Officer of the Company and shall devote his
     full time, attention, skill, energy and best efforts to the duties assigned
     to him from time to time by management and/or the Board of Directors of the
     Company, and shall, but without obligation hereunder, serve the Company in
     such additional executive officer positions to which he may be elected or
     appointed by the Board of Directors of the Company, subject to acceptance
     by Peterson of such additional executive officer position or positions. 
     Notwithstanding the foregoing, Peterson may engage in any other pursuit or
     endeavor which does not conflict with his ability to perform his duties to
     the business interests of the Company, provided that such other pursuit or
     endeavors does not violate the duty of loyalty and care which Peterson has
     to the Company by reason of this Agreement or in his capacity as an
     executive officer of the Company.

          2.2  As an employee of the Company, Peterson shall be subject to the
     overall supervision and instructions of management of the Company and, if
     applicable, that are associated with the executive officer position or
     positions held by Peterson which shall be subject to the overall
     supervision and instructions of the Board of Directors to the Company.

EMPLOYMENT AGREEMENT PAGE 1
<PAGE>

     3.  COMPENSATION AND OTHER BENEFITS.  During the Employment Period, the 
Company shall pay or provide to Peterson and Peterson shall be entitled to 
receive or have maintained for his benefit, the following:

          3.1  Commencing on the effective date, the Company shall compensate
     Peterson for the services to rendered by him hereunder at the rate of one
     hundred sixty-five thousand dollars ($165,000) per year, payable in equal
     semi-monthly installments on the first and fifteen day of each month,
     commencing on July 1, 1998.

          3.2  In addition to the compensation payable to Peterson pursuant to
     Section 3.1 hereof, within 90 days following the end of each fiscal year of
     Laboratory Specialists of America, Inc. ending during the Employment
     Period, the Company shall pay Peterson a bonus equal to the lesser of (i)
     $50,000 or (ii) 10 percent of the net income of Laboratory Specialists of
     America, Inc. before provision for income taxes determined in accordance
     with generally accepted accounting principles as reflected on the audited
     financial statements of Laboratory Specialists of America, Inc. for the
     immediately preceding fiscal year.  The bonus payable pursuant to this
     Section 3.2 shall be deemed earned by Peterson as of the end of each such
     fiscal year of Laboratory Specialists of America, Inc. for all intents and
     purposes, including for federal income tax purposes, notwithstanding
     termination of the employment of Peterson on or after the end of such
     fiscal year of Laboratory Specialists of America, Inc.  To the extent that
     stock options are granted by the Board of Directors of Laboratory
     Specialists of America, Inc. to its executive officers, Peterson shall be
     deemed to be a member of the group to which stock options are granted, and
     his stock option grants shall be determined in the same manner as are the
     stock option grants of other executives in the group.

          3.3  Peterson is hereby authorized to incur reasonable expenses for
     the promotion of the Company's business, including entertainment, travel
     and similar expenses, and he shall be reimbursed therefore by the Company
     upon his presentation of itemized accounts of such expenditures.

          3.4  The Company shall provide to Peterson health and disability
     insurance benefits comparable to those provided to the executive officers
     of the Company either as a group or individually.

          3.5  Peterson shall be entitled to reasonable periods of vacation with
     pay in each year, and reasonable periods of sick leave with pay
     commensurate with his position, in accordance with Company policy as
     established by the Board of Directors.

          3.6  The Company shall provide to Peterson and maintain insurance, at
     the Company's cost and expense, covering the life of Peterson in the face
     amount of one million dollars ($1,000,000), the proceeds of which shall be
     payable to such beneficiary that Peterson shall designate or in the event
     of failure to designate a named beneficiary shall be payable to the estate
     of Peterson.

          3.7  The Company shall pay to Peterson an automobile allowance of five
     hundred dollars ($500) per month, payable on the fifteen day of each month
     while employed pursuant to this Agreement, and shall provide at the sole
     cost and expense of the Company a mobile phone to assist Peterson in the
     performance of his duties and responsibilities as an employee and, if
     applicable, executive officer of the Company.

     4.  DISABILITY OR DEATH.

          4.1  In the event the Board of Directors of the Company determines in
     good faith that Peterson is unable, because of physical or mental illness
     or disability, to render services of the character contemplated hereby and
     that such disability reasonably may be expected to be permanent or to
     continue for a period of at least six (6) consecutive months (or for
     shorter periods totaling more than six (6) months during any period of
     eighteen (18) consecutive months), in such event the Board of Directors of
     the Company may elect to terminate the employment of Peterson hereunder
     upon written notice by the Company to Peterson effective on the next first
     or fifteenth day of the month following the date of such notice.  At any
     time and upon reasonable request therefor by the Company, Peterson shall
     submit to medical examination by a physician designated by the Company in
     New Orleans, Louisiana, for the purpose of determining the existence,
     nature and extent of any such disability.  In the event the Board of
     Directors elects to terminate the employment of 

EMPLOYMENT AGREEMENT PAGE 2
<PAGE>

     Peterson pursuant to this Section 4.1, Peterson shall be entitled to 
     receive any amount of compensation determined pursuant to Section 3.1 
     hereof up to the date of the termination of the employment of Peterson 
     payable on the dates established pursuant to Section 3.1 hereof.

          4.2  In the event Peterson shall die during the Employment Period,
     this Agreement shall terminate effective on the next first or fifteenth day
     of the month following the date of death, and the Company shall pay to the
     spouse of Peterson, or if unmarried at the time of his death, to the estate
     of Peterson, the compensation payable to Peterson pursuant to Section 3.1
     hereof for a period of three (3) months following the effective date of
     termination of this Agreement pursuant to this Section 4.2, payable on the
     dates provided for such compensation payment thereunder.

          4.3  In the event of termination of this Agreement pursuant to Section
     4.1 and/or Section 4.2 of this Agreement, Peterson (or his spouse or if
     unmarried on the date of his death his estate) shall be entitled to receive
     accrued and unpaid expense reimbursements, automobile allowance and any
     unpaid bonus amounts awarded to Peterson prior to such termination and
     stock option grants awarded to Peterson prior to such termination
     exercisable in accordance with the terms of such stock option grants.

     5.  TERMINATION FOR CAUSE.  In the event the Board of Directors of the 
Company determines in good faith that Peterson is guilty of gross negligence 
or fraud materially injurious to the Company, the Company may terminate this 
Agreement, and all obligations hereunder shall thereupon terminate.

     6.  NON-COMPETITION.  During the Employment Period, or, if longer, the 
period of employment of Peterson by the Company, Peterson will not engage in 
competition with the Company, either directly or indirectly, in any manner or 
capacity as an employee or executive officer of a competitor company in any 
phase of the business carried on by the Company at any time.

     7.  CONFIDENTIALITY.  During the Employment Period, or, if longer, the 
period of employment of Peterson by the Company, and for a period of three 
(3) years thereafter, Peterson will not divulge to anyone, other than the 
Company or persons designated by the Company in writing, any confidential 
material information directly or indirectly useful in any aspect of the 
business of the Company or any of its subsidiaries, as conducted from time to 
time, as to which Peterson is now, or at any time during employment shall 
become, informed and which is not then generally known to the public or 
recognized as standard practice.

     8.  CERTAIN PROVISIONS TO SURVIVE TERMINATION; ETC.  Notwithstanding any 
termination of his employment under this Agreement, Peterson, in 
consideration of his employment hereunder to the date of such termination, 
shall remain bound by the provisions of Section 6 and 7 hereof, and 
consequently, in addition to all other remedies that may be available to it, 
the Company shall be entitled to injunctive relief for any actual or 
threatened violation of such Sections.

     9.  NON-ASSIGNABILITY.  Neither party hereto shall have the right to 
assign this Agreement or any rights or obligations hereunder without the 
written consent of the other party.

     10.  ARBITRATION.  Any controversy or claim arising out of or relating 
to this Agreement, or the breach thereof, shall be settled by arbitration in 
accordance with the Rules of the American Arbitration Association and 
judgment upon the award rendered by the arbitrator or arbitrators may be 
entered in any court having jurisdiction thereof.  The arbitration 
proceedings shall be conducted in New Orleans, Louisiana, unless otherwise 
agreed by the parties hereto.  The arbitrator or arbitrators shall be deemed 
to possess the powers to issue mandatory orders and restraining orders in 
connection with such arbitration; provided, however, that nothing in this 
Section 10 hereof shall be construed so as to deny the Company the right and 
power to seek and obtain injunctive relief in a court of equity for any 
breach or threatened breach by Peterson of any of his covenants contained in 
Sections 6 and 7 hereof. 

     11.  NOTICE.  All notices required or permitted to be given hereunder 
shall be in writing and shall be deemed to have been given forty-eight (48) 
hours after depositing in the United States mail, certified mail, postage 
prepaid, addressed to the party to receive such notice at the address set 
forth hereinbelow or such other address as either party may give to the other 
in writing pursuant to written notice pursuant to this Section:

EMPLOYMENT AGREEMENT PAGE 3
<PAGE>

          If to Peterson:          (PERSONAL AND CONFIDENTIAL)
                                   Mr. Arthur R. Peterson, Jr.
                                   1111 Newton Street
                                   Gretna, Louisiana 70053

          If to the Company:       Laboratory Specialists, Inc.
                                   1111 Newton Street
                                   Gretna, Louisiana 70053

     12.  GENERAL.  The terms and provisions herein contained (i) constitute 
the entire Agreement between the Company and Peterson with respect to the 
subject matter hereof, (ii) may be amended or modified only by a written 
instrument executed by the parties hereto, and (iii) shall be construed and 
enforced in accordance with the laws in effect in the State of Louisiana 
without regard to its conflicts of law provisions.  Failure by a party hereto 
to require performance of any provision of this Agreement shall not affect, 
impair or waive such party's right to require full performance at any time 
thereafter.

     This Agreement may be executed in two or more counterparts, each of 
which shall be deemed an original but all of which together shall constitute 
one and the same instrument.

     IN WITNESS WHEREOF, the parties hereto have duly executed this 
Agreement, as amended and restated, on the 16th day of July, 1998, with an 
effective date of the 1st day of July, 1998.

"Company"                          LABORATORY SPECIALISTS, INC.


                                   By:                    
                                      -----------------------------------------
                                          Larry E. Howell, Vice President


"Peterson"                                                  
                                      -----------------------------------------
                                          Arthur R. Peterson, Jr.








EMPLOYMENT AGREEMENT PAGE 4

<PAGE>

                                     EXHIBIT 23.1


                            CONSENT OF ARTHUR ANDERSEN LLP

     As independent public accountants, we hereby consent to the use of our
report and to all references to our Firm included in or made a part of this
Registration Statement.


                                             Arthur Andersen LLP


Oklahoma City, Oklahoma,
   
 August 31, 1998
    


<PAGE>
                                     EXHIBIT 23.2


                          CONSENT OF DUNN SWAN & CUNNINGHAM

     Dunn & Swan, A Professional Corporation, hereby consents to the use of its
name under the heading "Legal Matters" in the Prospectus constituting a part of
this Registration Statement.


                                             DUNN SWAN & CUNNINGHAM
                                             A Professional Corporation

Oklahoma City, Oklahoma,
   
 August 27, 1998
    


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