ADAC LABORATORIES
S-3, 1998-02-23
X-RAY APPARATUS & TUBES & RELATED IRRADIATION APPARATUS
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<PAGE>   1
   As filed with the Securities and Exchange Commission on February 23, 1998.
================================================================================
                                                            Registration No. 33-

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                    FORM S-3
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933

                                ADAC LABORATORIES
              ----------------------------------------------------
             (Exact name of registrant as specified in its charter)

                                   California
         --------------------------------------------------------------
         (State or other jurisdiction of incorporation or organization)

                                   94-1725806
                      -----------------------------------
                      (I.R.S. Employer Identification No.)


                                 540 Alder Drive
                           Milpitas, California 95035
                                 (408) 321-9100
               --------------------------------------------------
               (Address, including zip code and telephone number,
                      including area code, of Registrant's
                          principal executive offices)

                               KAREN L. MASTERSON
                       VICE PRESIDENT AND GENERAL COUNSEL
                                ADAC LABORATORIES
                                 540 ALDER DRIVE
                           MILPITAS, CALIFORNIA 95035
                                 (408) 321-9100
            ---------------------------------------------------------
            (Name, address, including zip code, and telephone number,
                   including area code, of agent for service)

================================================================================

        Approximate date of commencement of proposed sale to the public:
        ---------------------------------------------------------------
   From time to time after the effective date of this Registration Statement.

         If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the following
box. [ ]

         If any of the securities being registered on this Form are to be
offered on a delayed or continuous basis pursuant to Rule 415 under the
Securities Act of 1933, other than securities offered only in connection with
dividend or interest reinvestment plans, check the following box. [X]

         If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, check the following box and
list the Securities Act registration statement number of earlier effective
registration statement for the same offering. [ ]

         If this Form is a post-effective amendment filed pursuant to Rule
462(c) under the Securities Act, check the following box and list the Securities
Act registration statement number of the earlier effective registration
statement for the same offering. [ ]

         If delivery of the prospectus is expected to be made pursuant to Rule
434, please check the following box. [ ]

         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.
================================================================================

                         CALCULATION OF REGISTRATION FEE


<TABLE>
<CAPTION>
Title of Each               Proposed         Proposed          Amount of
Class of                    Maximum          Maximum           Registration
Securities to  Amount to be Offering Price   Aggregate         Fee
be Registered  Registered   Per Share (1)    Offering Price(1)
- -------------- ------------ ---------------- ----------------- ----------
<S>            <C>          <C>              <C>               <C>
Common Stock       139,131           $22.69     $3,156,882.39    $931.28

</TABLE>

1)  Estimated solely for the purpose of calculating the registration fee
    pursuant to Rule 457(c) of the Securities Act of 1933, as amended, based on
    the average of the high and low prices of the Common Stock on the Nasdaq
    National Market on February 19, 1998. 


                                 139,131 SHARES

                                   [ADAC LOGO]
                               ADAC LABORATORIES

                                  COMMON STOCK
                                 ---------------

        This Prospectus relates to the public offering, which is not 
being underwritten, of up to 139,131 shares of Common Stock, no par 
value per share (the "Shares"), of ADAC Laboratories ("ADAC" or 
the "Company"), which may be offered from time to time by certain 
shareholders of the Company or by pledgees, donees, transferees or 
other successors in interest that receive such Shares as a gift, 
partnership distribution or other non-sale related transfer (the 
"Selling Shareholders").  The Company will not receive any of the 
proceeds from the sale of the Shares offered hereby.  

        All of the Shares offered hereby were originally issued by the 
Company in connection with the Company's acquisition of substantially 
all of the assets of Southern Cats, Inc., Specialized Medical X-Ray, 
Inc., and J&J Medical Imaging Systems, Inc. (the "Companies")  In 
the acquisitions, the Shares were issued pursuant to the exemption 
from the registration requirements of the Securities Act of 1933, as 
amended (the "Securities Act"), provided by Section 4(2) of the 
Securities Act.  The Shares are being registered by the Company 
pursuant to the Agreement and Plan of Reorganization dated as of 
October 16, 1997 by and among ADAC, the Companies and the 
shareholders thereof.

         The Shares may be offered by the Selling Shareholders from 
time to time in transactions in the over-the-counter market at prices 
prevailing therein, in negotiated transactions at such prices as may 
be agreed upon, or in a combination of such methods of sale.  See 
"Plan of Distribution."  The price at which any of the Shares may 
be sold, and the commissions, if any, paid in connection with any 
such sale are unknown and may vary from transaction to transaction.  

        The Company's Common Stock is traded on the Nasdaq National 
Market under the symbol "ADAC".  On February 19, 1998, the closing 
price for the Common Stock was $22 15/16.    

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

        See "Risk Factors" for a discussion of certain information 
that should be considered in connection with an investment in the 
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 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.
                              ---------------

        The Company has agreed to pay certain expenses in connection 
with the offering of the Shares, estimated at approximately $6,000.  
The Selling Shareholders and any broker-dealers or agents that 
participate with the Selling Shareholders in the distribution of the 
Shares may be deemed to be "underwriters" within the meaning of 
Section 2(11) of the Securities Act, and any commissions received by 
them and any profit on the resale of the Shares purchased by them may 
be deemed to be underwriting commissions or discounts under the 
Securities Act.  

        No person is authorized in connection with the offering made 
hereby to give any information or to make any representation other 
than as contained in this Prospectus and, if given or made, such 
information or representation must not be relied upon as having been 
authorized by the Company, any Selling Shareholder or by any other 
person. This Prospectus does not constitute an offer to sell, or a 
solicitation of an offer to buy, any security other than the Shares, 
nor does it constitute an offer to or solicitation of any person in 
any jurisdiction in which such offer or solicitation cannot lawfully 
be made.  Neither the delivery of this Prospectus nor any sale made 
hereunder shall under any circumstances create any implication that 
the information contained herein is correct as of any time subsequent 
to the date hereof.

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

        The date of this Prospectus is March   , 1998.

                         AVAILABLE INFORMATION

        The Company is subject to the informational requirements of the 
Securities Exchange Act of 1934, as amended (the "Exchange Act"), 
and, in accordance therewith, files reports, proxy statements, 
information statements, and other information with the Securities and 
Exchange Commission (the "Commission").  Such reports, proxy and 
information statements and other information concerning the Company 
can be inspected and copied at the public reference facilities 
maintained by the Commission at Room 1024, Judiciary Plaza, 450 Fifth 
Street, N.W., Washington, D.C.  20549; as well as the Regional 
Offices of the Commission at Seven World Trade Center, Suite 1300, 
New York, New York, 10048 and Northwest Atrium Center, 500 West 
Madison Street, Suite 1400, Chicago, Illinois, 60661.  Copies of any 
such material can be obtained from the Public Reference Section of 
the Commission, Washington, D.C., 20549, at prescribed rates.  The 
Commission maintains a Web site that contains reports, proxy and 
information statements and other information regarding registrants 
that file electronically with the Commission.  The address of the 
site is http:\\www.sec.gov.  The Common Stock of the Company is 
listed on the Nasdaq National Market and such reports, proxy and 
information statements and other information concerning the Company 
may be inspected at the offices of Nasdaq Operations, 1735 K Street, 
N.W., Washington, D.C.  20006.  

        This Prospectus constitutes a part of a Registration Statement 
on Form S-3 (herein, together with all amendments and exhibits, 
referred to as the "Registration Statement") filed by the Company 
with the Commission under the Securities Act.  This Prospectus does 
not contain all of the information set forth in the Registration 
Statement, certain parts of which are omitted in accordance with the 
rules and regulations of the Commission.  For further information 
with respect to the Company and the Shares of Common Stock offered 
hereby, reference is hereby made to the Registration Statement.  The 
Registration Statement may be inspected at the public reference 
facilities maintained by the Commission at the addresses set forth in 
the preceding paragraph.  Statements contained herein concerning any 
document filed as an exhibit are not necessarily complete and, in 
each instance, reference is made to the copy of such document filed 
as an exhibit to the Registration Statement.  Each such statement is 
qualified in its entirety by such reference.  


            INCORPORATION OF CERTAIN INFORMATION BY REFERENCE

        The following documents filed with the Commission by the 
Company are incorporated in the Prospectus by reference:

        (a)     The Company's Annual Report on Form 10-K for the fiscal 
year ended September 28, 1997.

        (b)     The Company's Quarterly Report on From 10-Q for the 
quarter ended December 28, 1997.  

        (c)     The Company's Proxy Statement for its Annual Meeting of 
Shareholders to be held on March 5, 1998.  

        (d)     The description of the Company's Common Stock contained 
in its Registration Statement on Form 8-A, filed with the Commission 
under the Exchange Act, including any amendments or reports filed for 
the purpose of updating such description.

        Furthermore, all documents filed by the Company pursuant to 
Section 13(a), 13(c), 14 or 15(d) of the Exchange Act subsequent to 
the date of this Prospectus and prior to the termination of the 
offering of the Common Stock shall be deemed to be incorporated into 
this Prospectus to the extent required, and to be a part of this 
Prospectus from the date of filing of such reports and documents.

        Any statement contained in a document incorporated or deemed to 
be incorporated by reference herein shall be deemed to be modified or 
superseded for purposes of this Prospectus to the extent that a 
statement contained herein or in any other subsequently filed 
document which also is or is deemed to be incorporated by reference 
herein modifies or supersedes such statements.  Any such statement so 
modified or superseded shall not be deemed, except as so modified or 
superseded, to constitute a part of this Prospectus.

        The Company will provide without charge to each person to whom 
this Prospectus is delivered, upon the request of any such person, a 
copy of any or all of the documents described above, other than 
exhibits to such documents which are not specifically incorporated by 
reference herein.  Requests should be directed to Investor Relations 
at the principal executive offices of the Company, 540 Alder Drive, 
Milpitas, California, 95035, telephone (408) 321-9100.

                              THE COMPANY

        ADAC Laboratories ("ADAC" or "the Company") designs, 
develops, manufactures, sells and services medical imaging and health 
care information systems used in hospitals and clinics worldwide.  
The Company conducts its business through two primary business units, 
Medical Systems and Healthcare Information Systems ("HCIS").  The 
Company's Medical Systems products include nuclear medicine systems 
used primarily in cardiology and oncology and radiation therapy 
planning systems for oncology, as well as refurbished ADAC and third-
party nuclear medicine systems.  The Company's HCIS products include 
laboratory, radiology, and cardiology information systems.  In 
October 1996, the United States Department of Commerce awarded ADAC a 
Malcolm Baldrige National Quality Award in the large manufacturing 
category in recognition of its performance management system and its 
achievements in quality and business performance.  ADAC is the first 
healthcare manufacturer ever to receive this award.  ADAC was 
incorporated in California on October 14, 1970.  Its principal 
offices are located at 540 Alder Drive, Milpitas, California, 95035.  
Its telephone number at that location is (408) 321-9100.

                              RISK FACTORS

        The Shares offered hereby involve certain risks.  The business 
considerations and other information contained in the Company's 
Quarterly Report on Form 10-Q for the fiscal quarter ended December 
28, 1997 are incorporated by reference herein.  See "Incorporation 
of Certain Documents by Reference."  Such business considerations 
and other information should be carefully considered before 
purchasing the Shares. 

                            USE OF PROCEEDS

        All proceeds will be for the account of Selling Shareholders.  
See "Selling Shareholders" and "Plan of Distribution."  The 
Company will not receive any of the proceeds from the sale of the 
Shares.  

                              SELLING SHAREHOLDERS

      The following table sets forth as of February 20, 1998 with respect to
each Selling Shareholder (1) the number of Shares of Common Stock
beneficially owned by each Selling Shareholder and (ii) the number of Shares of
Common Stock to be owned after the offering (assuming all Shares are sold in
this offering).  Except as  indicated, none of the Selling Shareholders has
held any position or had a material relationship with the Company or any of its
affiliates within the past three years other than as a result of ownership of
the Commpany's Common Stock.

<TABLE>
<CAPTION>
                     NUMBER OF SHARES    NUMBER OF      NUMBER OF SHARES
NAME OF SELLING       OWNED PRIOR TO       SHARES       TO BE OWNED AFTER
SHAREHOLDER              OFFERING      OFFERED HEREBY       OFFERING
- -------------------- ----------------- --------------- -------------------
<S>                  <C>               <C>             <C>
Southern Cats, Inc.           113,366         113,366
Specialized Medical                                                  --
  X-Ray, Inc.                   5,153           5,153                --
J&J Medical Imaging,                                                 --
 Inc.                          20,612          20,612                --
                     ----------------- --------------- -------------------
     Total                    139,131         139,131                --
                     ================= =============== ===================
</TABLE>

                              PLAN OF DISTRIBUTION

        The Shares covered by this Prospectus may be offered and sold 
from time to time by the Selling Shareholders.  The Selling 
Shareholders will act independently of the Company in making 
decisions with respect to the timing, manner and size of each sale.  
The Selling Shareholders may sell the Shares being offered hereby on 
the Nasdaq National Market, or otherwise, at prices and under terms 
then prevailing or at prices related to the then current  market 
price or at negotiated prices.  The Shares may be sold through one or 
more of the following means of distribution:  (a) a block trade in 
which the broker-dealer so engaged will attempt to sell Shares as 
agent, but may position and resell a portion of the block as 
principal to facilitate the transaction; (b) purchases by a broker-
dealer as principal and resale by such broker-dealer for its own 
account pursuant to this Prospectus; (c) an over-the-counter 
distribution in accordance with the rules of the Nasdaq National 
Market; (d) ordinary brokerage transactions and transactions in which 
the broker solicits purchasers; and (e) in privately negotiated 
transactions.  To the extent required, this Prospectus may be amended 
and supplemented from time to time to describe a specific plan of 
distribution.  In connection with distributions of the Shares or 
otherwise, the Selling Shareholders may enter into hedging 
transactions with broker-dealers or other financial institutions.  In 
connection with such transactions, broker-dealers or other financial 
institutions may engage in short sales of the Company's Common Stock 
in the course of hedging the positions they assume with Selling 
Shareholders.  The Selling Shareholders may also sell the Company's 
Common Stock short and redeliver the shares to close out such short 
positions.  The Selling Shareholders may also enter into option or 
other transactions with broker-dealers or other financial 
institutions which require the delivery to such broker-dealer or 
other financial institution of Shares offered hereby, which Shares 
such broker-dealer or other financial institution may resell pursuant 
to this Prospectus (as supplemented or amended to reflect such 
transaction).  The Selling Shareholders may also pledge Shares to a 
broker-dealer or other financial institution, and, upon a default, 
such broker-dealer or other financial institution may effect sales of 
the pledged Shares pursuant to this Prospectus (as supplemented or 
amended to reflect such transaction).  In addition, any Shares that 
qualify for sale pursuant to Rule 144 may be sold under Rule 144 
rather than pursuant to this Prospectus.

        In effecting sales, brokers, dealers or agents engaged by the 
Selling Shareholders may arrange for other brokers or dealers to 
participate.  Brokers, dealers or agents may receive commissions, 
discounts or concessions from the Selling Shareholders in amounts to 
be negotiated prior to the sale.  Such brokers or dealers and any 
other participating brokers or dealers may be deemed to be 
"underwriters" within the meaning of the Securities Act in 
connection with such sales, and any such commissions, discounts or 
concessions may be deemed to be underwriting discounts or commissions 
under the Securities Act.  The Company will pay certain expenses 
incident to the offering and sale of the Shares to the public, except 
for any commissions and discounts of underwriters, dealers or agents 
and any transfer taxes.

        In order to comply with the securities laws of certain states, 
if applicable, the Shares must be sold in such jurisdictions only 
through registered or licensed brokers or dealers.  In addition, in 
certain states the Shares may not be sold unless they have been 
registered or qualified for sale in the applicable state or an 
exemption from the registration or qualification requirement is 
available and is complied with.   

        The Company has advised the Selling Shareholders that the anti-
manipulation rules of Regulation M under the Exchange Act may apply 
to sales of Shares in the market and to the activities of the Selling 
Shareholders and their affiliates.  In addition, the Company will 
make copies of this Prospectus available to the Selling Shareholders 
and has informed them of the need for delivery of copies of this 
Prospectus to purchasers at or prior to the time of any sale of the 
Shares offered hereby.  The Selling Shareholders may indemnify any 
broker-dealer that participates in transactions involving the sale of 
the Shares against certain liabilities, including liabilities arising 
under the Securities Act.

        At the time a particular offer of Shares is made, if required, 
a Prospectus Supplement will be distributed that will set forth the 
number of Shares being offered and the terms of the offering, 
including the name of any underwriter, dealer or agent, the purchase 
price paid by any underwriter, any discount, commission and other 
item constituting compensation, any discount, commission or 
concession allowed or reallowed or paid to any dealer, and the 
proposed selling price to the public.  

        The Company has agreed with certain of the Selling Shareholders 
to keep the Registration Statement of which this Prospectus 
constitutes a part effective for up to one year following October 29, 
1997, the closing date of the acquisition of the Companies (which 
period may be shortened or extended under certain circumstances).  
The Company intends to de-register any of the Shares not sold by the 
Selling Shareholders at the end of such one year period; however, it 
is anticipated that at such time certain of the unsold Shares may be 
freely tradable subject to compliance with Rule 144 of the Securities 
Act.  

                              LEGAL MATTERS

        Certain legal matters in respect of the Shares offered hereby 
will be passed upon for the Company by Karen L. Masterson, Vice 
President and General Counsel of ADAC, 540 Alder Drive, Milpitas, CA  
95035.

                                EXPERTS

        The consolidated financial statements and related financial 
statement schedules of ADAC Laboratories and Subsidiaries, included 
in the Report on Form 10-K of the Company for the fiscal year ended 
September 28, 1997 referred to above, have been audited by Coopers & 
Lybrand L.L.P., independent accountants, as set forth in their report 
dated November 4, 1997, and are incorporated herein by reference in 
reliance upon the report of such firm, given upon their authority as 
experts in accounting and auditing.


                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

14.      OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION

         The following table shows all expenses of the issuance and distribution
of the securities offered hereby, other than underwriting discounts and
commissions:

    SEC REGISTRATION FEE  .............................   $931.00
    NASDAQ NATIONAL MARKET LISTING FEE ................  2,783.00
    ACCOUNTING FEES AND EXPENSES ......................  2,000.00
    MISCELLANEOUS EXPENSES ............................    286.00
                                                       -----------
             TOTAL .................................... $6,000.00
                                                       ===========

         All amounts listed above, except for the registration and listing fees,
are estimates.

15.     Indemnification of Directors and Officers

        Section 317 of the California General Corporation Law permits 
indemnification of directors, officers and controlling persons of a 
corporation under certain conditions and subject to certain 
limitations.  Article VII of the Registrant's Articles of Incorpo-
ration authorizes the Registrant to indemnify its officers and 
directors in accordance with the General Corporation Law.  Pursuant 
to Article VI of the Company's Bylaws and the terms of 
indemnification agreements between the Company and each of its 
directors and executive officers, the Company has agreed to indemnify 
and advance expenses to its agents and to such directors and 
executive officers, respectively, to the fullest extent permitted by 
law.  Indemnification also may be granted pursuant to bylaw 
provisions that may be adopted in the future, or pursuant to a vote 
of shareholders or directors.

16.     Exhibits

        (a)     Exhibits:


2.1                     Agreement and Plan of Reorganization
                        dated as of October 16, 1997 by and among
                        ADAC, the Companies and the shareholders thereof

5.1                     Opinion of General Counsel of ADAC

23.1                    Consent of Coopers & Lybrand L.L.P.

23.2                    Consent of General Counsel of ADAC
                        (included in Exhibit 5.1 hereto)

24.1                    Power of Attorney (included on page II-3 of
                        this Registration Statement)
<PAGE>



17.      UNDERTAKINGS

(a)     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 
arising after the effective date of the registration statement (or the 
most recent post-effective amendment thereof) which, individually or 
in the aggregate, represents a fundamental change in the information 
set forth in the registration statement;

                (iii)   To include any material information with respect to 
the plan of distribution not previously disclosed in the registration 
statement or any material change to such information in the 
registration statement;

        Provided, however, that paragraphs (a)(1)(i) and (a)(1)(ii) do 
not apply if the registration statement is on Form S-3 or Form S-8 and 
the information required to be included in a post-effective amendment 
by those paragraphs is contained in periodic reports filed by the 
registrant pursuant to Section 13 or Section 15(d) of the Securities 
Exchange Act of 1934 that are incorporated by reference in the 
registration statement.

        (2)     That, for the purpose of determining any liability under 
the Securities Act of 1933, each such post-effective amendment shall 
be deemed to be a new registration statement relating to the 
securities offered therein, and the offering of such securities at 
that time shall be deemed to be the initial bona fide offering 
thereof.

        (3)     To remove from registration by means of a post-effective 
amendment any of the securities being registered which remain unsold 
at the termination of the offering.

        (4)     The undersigned registrant hereby undertakes that, for 
purposes of determining any liability under the Securities Act of 
1933, each filing of the registrant's annual report pursuant to 
Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934 
(and, where applicable, each filing of an employee benefit plan's 
annual report pursuant to Section 15(d) of the Securities Exchange Act 
of 1934) that is incorporated by reference in the registration 
statement shall be deemed to be a new registration statement relating 
to the securities offered therein, and the offering of such securities 
at that time shall be deemed to be the initial bona fide offering 
thereof.

        (5)     Insofar as indemnification for liabilities arising under 
the Securities Act of 1933 may be permitted to directors, officers and 
controlling persons of the registrant pursuant to the foregoing pro-
visions, or otherwise, the 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 the registrant of expenses 
incurred or paid by a director, officer or controlling person of the 
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, the 
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 Act and will be 
governed by the final adjudication of such issue.

<PAGE>

                              SIGNATURES

        Pursuant to the requirements of the Securities Act of 1933, 
the Registrant certifies that it has reasonable grounds to believe 
that it meets all of the requirements for filing on Form S-3 and 
has duly caused this Registration Statement to be signed on its 
behalf by the undersigned, thereunto duly authorized, in Milpitas, 
California on the date set forth below.


Date:  February 20, 1998                ADAC LABORATORIES
        (Registrant)


                                        BY:/s/ R. Andrew Eckert                 
                                                R. Andrew Eckert,
                                              Chief Executive Officer
                                               (Principal Executive Officer)

        KNOW ALL MEN BY THESE PRESENTS, that each person whose 
signature appears below constitutes and appoints R. Andrew Eckert and 
P. Andre Simone and each of them acting individually, as such person's 
true and lawful attorneys-in-fact and agents, each with full power of 
substitution, for such person, in any and all capacities, to sign any 
and all amendments (including post-effective amendments) to this 
Registration Statement, and to file same, with all exhibits thereto and 
other documents in connection therewith, with the Securities and 
Exchange Commission, granting unto said attorneys-in-fact and agents, 
and each of them, full power and authority to do and perform each and 
every act and thing requisite and necessary to be done in connection 
therewith, as fully to all intents and purposes as such person might or 
could do in person, hereby ratifying and confirming all that said 
attorneys-in-fact and agents, or any of them, or their or his or her 
substitutes, may do or cause to be done by virtue thereof. 

        Pursuant to the requirements of the Securities Exchange Act of 1933, as
amended, this Registration Statement has been signed below by the following
persons in the capacities and on the dates indicated.


<TABLE>
<CAPTION>
        Signature                    Capacities                  Date
- -------------------------- ------------------------------- -----------------
<S>                        <C>                             <C>
/s/ David L. Lowe          Chairman of the Board           February 20, 1998
- -------------------------  of Directors
David L. Lowe


/s/ R. Andrew Eckert       Chief Executive Officer         February 20, 1998
- -------------------------  and Director
R. Andrew Eckert           (Principal Executive Officer)


/s/ P. Andre Simone        Chief Financial Officer         February 20, 1998
- -------------------------  (Principal Financial and
P. Andre Simone            Accounting Officer)


/s/ Stanley D. Czerwinski  Director                        February 20, 1998
- -------------------------
Stanley D. Czerwinski


/s/ Graham O. King         Director                        February 20, 1998
- -------------------------
Graham O. King


/s/ F. David Rollo         Director                        February 20, 1998
- -------------------------
F. David Rollo


/s/ Edmund H. Shea,  Jr.   Director                        February 20, 1998
- -------------------------
Edmund H. Shea, Jr.

</TABLE>
<PAGE>




                                EXHIBIT INDEX



                EXHIBIT NAME                                    PAGE NO.


2.1     Agreement and Plan of Reorganization dated as of 
        October 16, 1997 by and among ADAC, the Companies
        and the shareholders thereof


5.1     Opinion of General Counsel of ADAC


23.1    Consent of Coopers & Lybrand L.L.P.


23.2    Consent of General Counsel of ADAC (included
        in Exhibit 5.1 hereto)


24.1    Power of Attorney (included on page II-3 of this 
        Registration Statement)







                AGREEMENT AND PLAN OF REORGANIZATION


        THIS AGREEMENT AND PLAN OF REORGANIZATION (this "Agreement") is made  
and entered into as of October 16, 1997, by and among ADAC LABORATORIES, a 
California corporation ("ADAC"), Specialized Medical X-Ray, Inc., a 
California corporation ("SMX"), J&J Medical Imaging Systems, Inc., a 
California corporation ("J&J"), Southern Cats, Inc., a California 
corporation ("SCI"), Richard Stockton, Edward Manubay, James Karlen 
and Joseph Marino (collectively the "Shareholders").  SMX, J&J and SCI 
are referred to herein individually as a "Company" and collectively 
as the "Companies".

                              RECITALS

        A.   ADAC, the Companies and the Shareholders intend to effect 
tax-free reorganizations in which ADAC will acquire substantially all 
of the assets of the Companies solely in exchange for shares of the 
common stock, no par value, of ADAC ( the "ADAC Common Stock") in 
accordance with the terms of this Agreement (the "Acquisition").

        B.   It is intended that the Acquisition qualify as a tax-free 
reorganization within the meaning of Section 368(a) of the Internal 
Revenue Code of 1986, as amended (the "Code"). 

        C.   This Agreement has been adopted and approved by the Boards 
of Directors and the Shareholders of the Companies.

        NOW, THEREFORE, in consideration of the mutual agreements and 
premises contained herein, ADAC, Sub, the Company and the 
Shareholders agree as follows:

                                     1

                   SALE OF ASSETS AND RELATED TRANSACTIONS

        1.1   Assets.  On the terms and subject to the conditions of 
this Agreement, and except as provided in Section 1.2, the Companies 
shall transfer, convey and assign (or cause to be transferred, conveyed 
and assigned) to ADAC, at the Closing, and ADAC shall purchase and 
acquire from the Companies, all of the Companies' right, title and 
interest in all rights, assets and properties, of every kind and 
description, tangible and intangible, wherever located, that are in 
each case, directly or indirectly, owned or used by the Companies in 
their businesses, together with all accrued benefits and rights 
attaching thereto, including those rights, properties and assets listed 
on Exhibit A.  The rights, properties and assets that are to be 
transferred, conveyed and assigned to ADAC are hereinafter referred to 
as the "Assets".  

        1.2   Excluded Assets.   Notwithstanding anything contained in 
Section 1.1 or elsewhere in this Agreement to the contrary, there are 
expressly excluded from the rights, properties and assets being 
acquired, the shares of capital stock of J&J and SMX owned by SCI and 
the notes receivable and accrued interest thereon executed by Messrs. 
Bear, Stockton, Manubay, and Sterba in the aggregate principal amount 
of $60,000 (such assets, the "Excluded Assets").

        1.3   Liabilities Being Assumed.  Simultaneously with the 
transfer, conveyance and assignment to ADAC of the Assets, ADAC shall 
assume the Liabilities of the Companies that are listed on Exhibit B 
(the `Assumed Liabilities"). 

        1.4   Excluded Liabilities.   Notwithstanding anything to the 
contrary in Section 1.3 or elsewhere in this Agreement, ADAC shall not 
assume any of the following Liabilities (the "Excluded Liabilities"):

        (a)   any Liabilities arising out of any claims brought by  
either of Rudy Ryskey or Dan Bear against the Companies or any of the 
Shareholders;

        (b)   any Liabilities arising out of any Taxes arising out 
of the conduct of the businesses of the Companies; and

        (c)   any Liabilities arising out of compensation paid or 
payable to any employees, agents, contractors or consultants to the 
Companies for services rendered prior to the Closing to the extent not 
reflected in the September 30, 1997 Financial Statements;

        (d)   any Liability under any motor vehicle leases for 
non-commercial vehicles leased by the Companies; 

        (e)   any Liability for accrued rent or any other 
obligations of the Companies under the existing lease for the premises 
occupied by the Companies; and

        (f)   any Liability of the Companies or any Shareholder to 
the Small Business Adminstration or the Money Store Corporation in 
relation to the leased premises referred to in Section 4.8 below or 
otherwise.

                                       2

                                 PURCHASE PRICE

        2.1   Purchase Price.

        (a)   The aggregate purchase price (the "Purchase Price") 
to be paid to the Companies for the Assets and the Non-Compete 
Agreements described in Article 11 hereof shall be $2,700,000, subject 
to adjustment as provided in paragraph (b) and Article 10 below.  The 
Purchase Price shall be paid in shares of ADAC Common Stock.  The 
aggregate number of shares of ADAC Common Stock to be issued in the 
Acquisition shall equal (x) $2,700,000, divided by (y) the closing 
sales price of a share of ADAC Common Stock as reported on the Nasdaq 
Stock Market on October 16, 1997 (the "Designated ADAC Stock Price").

        (b)   The purchase price to be paid to the Companies at 
the Closing in ADAC Common Stock (the "Initial Purchase Price") shall 
be $2,430,000, and the remainder of the Purchase Price shall be held 
back, adjusted and distributed subject to and in accordance with 
Article 10 below.

        (c)   The shares of ADAC Common Stock representing the 
Initial Purchase Price shall be issued to the Companies as of the 
Closing Date, and shall be allocated among the Companies in the manner 
agreed by the Companies, and the Purchase Price shall be allocated 
between the Assets and the Non-Compete Covenant, which allocations are 
set forth in Exhibit C.  

        (d)   No certificates or scrip for fractional shares of 
ADAC Common Stock shall be issued, but in lieu thereof each Company 
that would otherwise be entitled to receive a certificate or scrip for 
a fraction of a share of ADAC Common Stock shall receive from ADAC a 
cash amount (without interest) equal to the Designated ADAC Stock Price 
multiplied by the fraction of a share of ADAC Common Stock to which 
such holder would otherwise be entitled.

        (e)   The shares of ADAC Common Stock to be issued in the 
Acquisition shall be characterized as "restricted securities" for 
purposes of Rule 144 under the Securities Act of 1933, as amended, and 
each certificate representing any of such shares shall bear a legend 
identical or similar in effect to the following legend (together with 
any other legend or legends required by applicable state securities 
laws or otherwise):

        "THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT 
        BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS 
        AMENDED (THE "ACT"), AND MAY NOT BE OFFERED, SOLD OR 
        OTHERWISE TRANSFERRED, ASSIGNED, PLEDGED OR 
        HYPOTHECATED UNLESS REGISTERED UNDER THE ACT OR 
        UNLESS AN EXEMPTION FROM THE REGISTRATION 
        REQUIREMENTS OF THE ACT IS AVAILABLE."

        2.2   Tax Consequences.  For federal income tax purposes, the 
Acquisition is intended to constitute a tax-free reorganization within 
the meaning of Section 368 of the Code.  The parties to this Agreement 
hereby adopt this Agreement as a "plan of reorganization" within the 
meaning of the applicable United States Treasury Regulations.  None of 
the Companies, any Shareholder or ADAC shall take a position 
inconsistent with this Section 2.3 on any tax return.  The Companies 
and the Shareholders agree to liquidate the Companies within period of 
time required by the Code in order for the transactions contemplated 
hereby to constitute tax-free reorganizations.

                                       3

                                    CLOSING

        3.1   Closing.  Unless this Agreement shall have been terminated 
and the transactions herein contemplated shall have been abandoned 
pursuant to Article 9 hereof, a closing (the "Closing") shall be held 
at 1:00 p.m., local time, on Friday, October 24, 1997, or such later 
date that is not more than five (5) business days after all of the 
conditions to Closing have been satisfied.  

        3.2   Effectiveness.  The date of the Closing is referred to 
herein as the "Closing Date".  The transactions contemplated by this 
Agreement to be taken at the Closing shall be effective as of the close 
of business on the Closing Date and all references herein to the 
Closing Date shall be as of the close of business on the Closing Date. 

        3.3   Obligations of the Companies.  At the Closing, each of the 
Companies shall deliver to ADAC:

              (a)     all customer and supplier lists, books of account, 
contracts and all records of such Company relating to the Assets, 
together with all drawings, designs, specifications, plans, 
instructions, manufacturing data, advertising material and all other 
technical and sales material of such Company relating to the business 
of such Company, whether contained in electronic media or otherwise 
(collectively, the "Books and Records");

               (b)     possession of the Assets;

               (c) all documents of title relating to the Assets;

               (d) a bill of sale in the form attached hereto as 
Exhibit D (the "Bill of Sale");

               (e) an assignment and assumption agreement in the form 
attached hereto as Exhibit E (the "Assignment and Assumption 
Agreement") with respect to the Assumed Contracts; and 

               (f) each of the other agreements and documents 
contemplated to be delivered by or entered into by such Company as 
referenced in Article 7 hereof.

        3.4 Obligations of ADAC.  On the Closing Date, ADAC shall 
deliver to the Companies:

               (a) the Initial Purchase Price pursuant to Section 
2.1(c); and 

               (b)     each of the other agreements and documents 
contemplated to be delivered or entered into by ADAC as set forth in 
Article 8 hereof.

         3.5 Passage of Title; Risk of Loss.  Legal and equitable title 
and risk of loss with respect to the Assets shall pass to ADAC on the 
Closing Date.


                                       4

      REPRESENTATIONS AND WARRANTIES OF THE COMPANIES AND THE SHAREHOLDERS

        Except as set forth in the disclosure schedule delivered to ADAC 
with this Agreement and signed by the Presidents of the Companies (the 
"Disclosure Schedule"), the Companies and the Shareholders jointly and 
severally represent and warrant to ADAC as follows:


        4.1     Organization and Qualification.

                (a)     Each Company is a corporation duly organized, 
validly existing and in good standing under the laws of the State of 
California.  Each Company has all necessary power and authority under 
applicable corporate law and its organizational documents to own or 
lease its Assets, to carry on its business as presently conducted and 
to perform its obligations under all Assumed Contracts.  None of the 
Companies owns or holds, directly or indirectly, any debt or equity 
securities of, or has any other interest in, any corporation, 
partnership, joint venture or other entity, and Company has not entered 
into any agreement to acquire any such interest, except that SCI owns 
52% of the issued and outstanding capital stock of J&J.

                (b)     Each Company is qualified to do business as a 
foreign corporation and is in good standing, under the laws of all 
jurisdictions where the nature of its business requires such 
qualification and where the failure to so qualify would have a Material 
Adverse Effect, a list of which jurisdictions is set forth in the 
Disclosure Schedule. 

        4.2     Articles of Incorporation and Bylaws; Records.   Each 
Company has delivered to ADAC accurate and complete copies of:  (1) the 
Company's articles of incorporation and bylaws, including all 
amendments thereto; (2) the stock records of the Company; and (3) the 
minutes and other records of the meetings and other proceedings 
(including any actions taken by written consent or otherwise without a 
meeting) of the shareholders of the Company and the board of directors 
of the Company. The books of account, stock records, minute books and 
other records of the Company are accurate, up-to-date and complete, and 
have been maintained in accordance with prudent business practices and 
all applicable Legal Requirements.

        4.3     Capitalization.  The Disclosure Schedule sets forth the 
authorized and issued and outstanding capital stock of the Companies.  
The Disclosure Schedule sets forth the names of each Company's 
shareholders and the number of shares of stock owned of record by each. 
 None of the Companies has granted any options, warrants or rights to 
acquire any capital stock or other securities of the Companies.

        4.4     Financial Statements; Absence of Liabilities.

                (a)     Each of the Companies has previously delivered to 
ADAC unaudited financial statements of such Company for the fiscal year 
ended December 31, 1996, and for the nine--month period ended September 
30, 1997, including a balance sheet and related statements of income 
and cash flows including the notes thereto (collectively, the 
"Financial Statements").  The Financial Statements were prepared in 
accordance with the books and records of the Companies and fairly 
present the financial position of the Companies as of the dates thereof 
and the results of its operations and cash flows for the periods 
indicated.

                (b)     Except as set forth in the Disclosure Schedule, the 
Companies have no Liabilities, except for (i) Liabilities that are 
fully reflected and reserved against in the Financial Statements, and 
(ii) Liabilities incurred by the Companies in the ordinary course of 
business and consistent with past practice since the date of the 
Financial Statements.  All Assumed Liabilities were incurred by the 
Companies in the ordinary course of business.

        4.5     Absence of Certain Changes or Events.  Except as set forth 
in the Disclosure Schedule, since September 30, 1997,

                (a)     each Company has conducted its business and 
operations in the ordinary course and there has not been any material 
adverse change in such Company's business, condition, assets, 
liabilities, operations, or prospects, and no event has occurred that 
will, or could reasonably be expected to, have a Material Adverse 
Effect;

                (b)     there has not been any loss, damage or destruction 
to, or any interruption in the use of, any of the Assets (whether or 
not covered by insurance);

                (c)     there has been no amendment to any Company's 
articles of incorporation or bylaws, and no Company has effected or 
been a party to any acquisition transaction, recapitalization, 
reclassification of shares, stock split, reverse stock split or similar 
transaction;

                (d)     the Companies have not formed any subsidiary or 
acquired any equity or other interest in any other entity;

                (e)     the Companies have not made any capital expenditure 
which, when added to all other capital expenditures made by the 
Companies since that date, exceeds $10,000 in the aggregate;

                (f)     the Companies have not (i) entered into or permitted 
any of the Assets to become bound by any Material Contract (as defined 
in Section 4.10(a)), except that the Companies has renewed various 
Material Contracts in the ordinary course of business, or (ii) amended 
or prematurely terminated, or waived any material right or remedy 
under, any Assumed Contract;

                (g)     the Companies have not (i) acquired, leased or 
licensed any right or other asset from any other person or entity 
(other than immaterial rights or other immaterial assets acquired, 
leased or licensed from other persons or entities in the ordinary 
course of business and consistent with the Companies' past practices), 
(ii) sold or otherwise disposed of, or leased or licensed, any right or 
other asset to any other person or entity (other than immaterial rights 
or other immaterial assets disposed of or leased or licensed to other 
persons or entities in the ordinary course of business and consistent 
with the Companies' past practices), or (iii) waived or relinquished 
any right (other than immaterial rights waived or relinquished in the 
ordinary course of business and consistent with the Companies' past 
practices);

                (h)     the Companies have not written off as uncollectible, 
or established any extraordinary reserve with respect to, any account 
receivable or other indebtedness;

                (i)     the Companies have not made any pledge of any of the 
Assets or otherwise permitted any of the Assets to become subject to 
any lien, pledge, charge or other encumbrance;

                (j)     the Companies have not (i) lent money to any person 
or entity, or (ii) incurred or guaranteed any indebtedness for borrowed 
money;

                (k)     the Companies have not changed any methods of 
accounting or accounting practices in any respect;

                (l)     the Companies have not made any tax election;

                (m)     the Companies have not commenced or settled any 
Legal Proceeding;

                (n)     the Companies have not entered into any material 
transaction or taken any other material action outside the ordinary 
course of business or inconsistent with past practices; and

                (o)     the Companies have not agreed or committed to take 
any of the actions referred to in clauses "(c)" through "(n)" above.

        4.6     Title to Assets.  Except as set forth in the Disclosure 
Schedule, the Companies own, and have good, valid and marketable title 
to, all of the Assets purported to be owned by them, including:  (i)  
all assets reflected on the September 30, 1997 Financial Statements 
(ii) all assets referred to in Sections  4.7, 4.8 and 4.9 hereof, and 
(iii) all of the Companies' rights under the Assumed Contracts.  All of 
the Companies' inventory (spare parts and otherwise) consists of a 
quality and quantity usable and salable in the ordinary course of 
business, and the present quantities of such inventory are reasonable 
in the present circumstances of the Companies' businesses.  Upon 
consummation of the Acquisition, ADAC will acquire good and marketable 
title to all of the Assets, free and clear of all liens, claims, and 
other encumbrances, except for any lien for current taxes not yet due 
and payable.  Except for the Excluded Assets, the Assets constitute all 
of the assets held for use or used primarily in the Companies 
businesses, are in good condition and repair (ordinary wear and tear 
excepted) and are adequate to carry on the businesses of the Companies. 

        4.7     Accounts Receivable; Customers; Payables.

                (a)     Except as set forth in the Disclosure Schedule, all 
existing accounts and notes receivable of the Companies (i) represent 
valid and enforceable obligations arising from bona fide transactions 
entered into in the ordinary course of business, (ii) are current and 
will be collected in full, without any counterclaim or set off, when 
due, net of an allowance for doubtful accounts in the amount of 
$111,063;and (iii) are not, and as of the Closing Date, will not be 
delinquent more than ninety (90) days in its payment.  To the extent 
ADAC is unable to collect any such receivables, ADAC will assign those 
receivables to the Companies for collection and, unless the Companies 
are able to collect such receivables and pay the amount of such 
recievables to ADAC in full within ninety (90) days of such assignment, 
ADAC shall have the right to make a claim against the Holdback in such 
amount to the extent such amount plus the amount of all other 
uncollected receivables exceeds the above allowance.

                (b)     Since September 30, 1997, the Companies have not 
received any notice or other communication indicating that any customer 
intends or expects to cease dealing with the Companies or to effect a 
material reduction in the volume of business transacted by such Person 
with the Companies below historical levels.

                (c)     Except as set forth in the Disclosure Schedule, all 
accounts payable and notes payable by any of the Companies to third 
parties arose and will have arisen in the ordinary course of business, 
and, except as set forth in the Disclosure Schedule, as of the date 
hereof, there is, and as of the Closing Date there will be, no such 
account or note payable delinquent more than ninety (90) days in its 
payment.

        4.8     Leased Property.  The Disclosure Schedule contains (a) an 
accurate and complete list of all real property leased by any of the 
Companies, as well as all buildings, structures and material 
improvements located on such real property and (b) a complete list of 
all leases pursuant to which the Companies lease personal property.  
All such leases are valid, binding and enforceable in accordance with 
their terms, and are in full force and effect, and there are no 
defaults, or events that with the giving of notice or the passage of 
time or both would constitute an event of default thereunder.  The 
Companies have made available to ADAC true and correct copies of all 
leases referred to in the Disclosure Schedule.  Except as set forth in 
the Disclosure Schedule, all improvements on any real estate conform to 
all Legal Requirements, including zoning and building ordinances, and 
the properties are zoned for the purposes for which they are being 
used; none of any buildings or structures located on such real 
property, nor any appurtenances thereto or equipment therein, nor the 
operation or maintenance thereof, violates in any manner any 
restrictive covenants or encroaches on any property owned by others nor 
does any building or structure of third parties encroach upon the real 
property leased by the Companies.  The Company does not own any real 
property or any interest in real property, except for the leasehold 
created under the real property lease for the premises located at 1137 
East Philadelphia Street, Ontario, CA  91761.  This lease will be 
terminated as of the Closing Date without liability to the Companies, 
and ADAC and the landlords will enter into a new lease for such 
premises as contemplated in Section 6.10 hereof.  

        4.9     Proprietary Assets.

                (a)     The Disclosure Schedule sets forth, with respect to 
each Company Proprietary Asset that has been registered, recorded or 
filed with any Governmental Body or with respect to which an 
application has been filed with any Governmental Body, (i) a brief 
description of such Company Proprietary Asset, and (ii) the names of 
the jurisdictions covered by the applicable registration, recordation, 
filing or application.  The Disclosure Schedule identifies and provides 
a brief description of all other Company Proprietary Assets owned by 
the Company.  The Disclosure Schedule identifies and provides a brief 
description of each Company Proprietary Asset that is owned by any 
other person or entity and that is licensed to or used by the Company 
(except for any Company Proprietary Asset that is licensed to the 
Company under any third party software license that (1) is generally 
available to the public at a cost of less than $1,000, and (2) imposes 
no future monetary obligation on the Company) and identifies the 
license agreement or other agreement under which such Company 
Proprietary Asset is being licensed to or used by the Company.  Except 
as set forth in the Disclosure Schedule, the Companies have good, valid 
and marketable title to all of the Company Proprietary Assets owned by 
the Companies, free and clear of all liens, claims and other 
encumbrances, and has a valid right to use all other Company 
Proprietary Assets licensed to or used by the Companies in their 
businesses.  Except as set forth in the Disclosure Schedule, the 
Companies are not obligated to make any payment to any Person for the 
use of any Company Proprietary Asset.  Except as set forth in the 
Disclosure Schedule, the Company is free to use, modify, copy, 
distribute, sell, license or otherwise exploit each of the Company 
Proprietary Assets on an exclusive basis (other than Company 
Proprietary Assets consisting of software licensed to the Company under 
third party licenses generally available to the public, with respect to 
which the Company's rights are not exclusive).

                (b)     The Companies have taken all reasonable measures and 
precautions necessary to protect and maintain the confidentiality and 
secrecy of all Company Proprietary Assets (except Company Proprietary 
Assets whose value would be unimpaired by public disclosure) and 
otherwise to maintain and protect the value of all Company Proprietary 
Assets.  Except as set forth in the Disclosure Schedule, the Companies 
have not disclosed or delivered or permitted to be disclosed or 
delivered to any person or entity, and no person or entity (other than 
the Company) has access to or has any rights with respect to, the 
source code, or any portion or aspect of the source code, to any 
Company Proprietary Asset.

                (c)     None of the Company Proprietary Assets infringes or 
conflicts with any Proprietary Asset owned or used by any other person 
or entity.  Except as set forth in the Disclosure Schedule, the Company 
is not infringing, misappropriating or making any unlawful use of, and 
the Companies have not at any time infringed, misappropriated or made 
any unlawful use of, or received any notice or other communication of 
any actual, alleged, possible or potential infringement, 
misappropriation or unlawful use of, any Proprietary Asset owned or 
used by any other Person. To the best of the knowledge of the Companies 
and the Shareholders, except as set forth in the Disclosure Schedule, 
no other person or entity is infringing, misappropriating or making any 
unlawful use of, and no Proprietary Asset owned or used by any other 
person or entity infringes or conflicts with, any Company Proprietary 
Asset.

                (d)     Except as set forth in the Disclosure Schedule:  (i) 
each Company Proprietary Asset conforms with any specification, 
documentation, performance standard, representation or statement made 
or provided with respect thereto by or on behalf of the Companies; and 
(ii) there has not been any claim by any customer or other Person 
alleging that any Company Proprietary Asset does not conform with any 
specification, documentation, performance standard, representation or 
statement made or provided by or on behalf of the Companies, and, to 
the best of the knowledge of the Companies and the Shareholders, there 
is no basis for any such claim.  The Companies are not required under 
generally accepted accounting principles to establish reserves on their 
financial statements to cover any costs associated with any obligations 
that the Companies may have with respect to the correction or repair of 
programming errors or other defects in the Company Proprietary Assets.

                (e)     The Company Proprietary Assets constitute all the 
Proprietary Assets necessary to enable the Companies to conduct their 
businesses in the manner in which such businesses have been conducted. 
 Except as set forth in the Disclosure Schedule, (i) the Companies have 
not licensed any of the Company Proprietary Assets to any Person on an 
exclusive basis, and (ii) the Companies have not entered into any 
covenant not to compete or contract limiting their ability to exploit 
fully any of its Proprietary Assets or to transact business in any 
market or geographical area or with any Person.

                (f)     All current and former employees of the Companies, 
and all current and former consultants and independent contractors to 
the Companies, have executed and delivered to the Company written 
agreements (containing no exceptions to or exclusions from the scope of 
their coverage) that convey to the Companies all right, title and 
interest in any inventions developed by such parties that form a part 
of the Company Proprietary Assets.

                (g)     The execution, delivery and performance of this 
Agreement, and the consummation of the transactions contemplated 
hereby, will not breach, violate or conflict with any instrument or 
agreement governing any Company Proprietary Assets, and will not cause 
the forfeiture or termination or give rise to a right of forfeiture or 
termination of any Company Proprietary Asset.

        4.10    Contracts.

                (a)     Except as set forth in the Disclosure Schedule, the 
Companies are not a party to (each such Company Contract, a "Material 
Contract"):

                        (i)     any material Contract relating to the 
employment or engagement of, or the performance of services by, any 
employee, consultant or independent contractor;

                        (ii)    any Contract relating to the acquisition, 
transfer, use, development, sharing or license of any technology or any 
Proprietary Asset;

                        (iii)   any Contract imposing any restriction on any 
Company's right or ability (A) to compete with any other person or 
entity, (B) to acquire any product or other asset or any services from 
any other person or entity, to sell any product or other asset to or 
perform any services for any other person or entity or to transact 
business or deal in any other manner with any other person or entity, 
or (C) to develop or distribute any technology;

                        (iv)    any Contract creating or involving any agency 
relationship, distribution arrangement or franchise relationship;

                        (v)     any Contract relating to the acquisition, 
issuance or transfer of any securities;

                        (vi)    any Contract creating or relating to the 
creation of any lien, charge, pledge or other encumbrance with respect 
to any Asset;

                        (vii)   any Contract involving or incorporating any 
guaranty, any pledge, any performance or completion bond, any 
indemnity, any right of contribution or any surety arrangement;

                        (viii)  any Contract creating or relating to any 
partnership or joint venture or any sharing of revenues, profits, 
losses, costs or liabilities;

                        (ix)    any Contract relating to the purchase or sale 
of any product or other asset by or to, or the performance of any 
services by or for, any Related Party (as defined in Section 4.19);

                        (x)     any Contract to which any Governmental Body is 
a party or under which any Governmental Body has any rights or 
obligations, or involving or directly or indirectly benefiting any 
Governmental Body (including any subcontract or other Contract between 
any Company and any contractor or subcontractor to any Governmental 
Body);

                        (xi)    any Contract entered into outside the ordinary 
course of business or inconsistent with any Company's past practices;

                        (xii)   any Contract that has a term of more than 60 
days and that may not be terminated by the applicable Company (without 
penalty) within 60 days after the delivery of a termination notice by 
such Company; and

                        (xiii)  any Contract (not otherwise identified in 
clauses "(i)" through "(xii)" of this sentence) that contemplates or 
involves (A) the payment or delivery of cash or other consideration in 
an amount or having a value in excess of $10,000 in the aggregate, or 
(B) the performance of services having a value in excess of $10,000 in 
the aggregate.

                (b)     The Companies have delivered to ADAC accurate and 
complete copies of all Material Contracts, including all amendments 
thereto.  Each Material Contract is valid and in full force and effect, 
and is enforceable by the Company in accordance with its terms, subject 
to (i) laws of general application relating to bankruptcy, insolvency 
and the relief of debtors, and (ii) rules of law governing specific 
performance, injunctive relief and other equitable remedies.  The 
Companies are not in default under any Company Contract, no default has 
occurred that with notice, the passage of time or both would constitute 
an event of default thereunder, and to the best knowledge of the 
Companies and the Shareholders, the other parties thereto are not in 
default thereunder.  

        4.11    Compliance with Legal Requirements.  The Companies are, 
and at all times since December 31, 1994 have been, in compliance with 
all applicable Legal Requirements. Since December 31, 1994, the 
Companies have not received any notice or other communication from any 
Governmental Body regarding any actual or possible violation of, or 
failure to comply with, any Legal Requirement.

        4.12    Governmental Authorizations. The Disclosure Schedule 
identifies each material Governmental Authorization held by the 
Companies, and the Companies have delivered to ADAC accurate and 
complete copies of all such Governmental Authorizations.  Such 
Governmental Authorizations are valid and in full force and effect, and 
collectively constitute all Governmental Authorizations necessary to 
enable the Companies to conduct their businesses in the manner in which 
they are currently being conducted.  The Companies are, and at all 
times since December 31, 1994 have been, in compliance with the terms 
and requirements of such Governmental Authorizations.  Since December 
31, 1994, the Companies have not received any notice or other 
communication from any Governmental Body regarding (a) any actual or 
possible violation of or failure to comply with any term or requirement 
of any Governmental Authorization, or (b) any actual or possible 
revocation, withdrawal, suspension, cancellation, termination or 
modification of any Governmental Authorization.

        4.13    Tax Matters.  All Tax Returns required to be filed by or 
on behalf of the Companies with any Governmental Body (the "Company 
Returns") (i) have been or will be filed when due, and (ii) have been, 
or will be when filed, prepared accurately and completely in compliance 
with all applicable Legal Requirements.  All amounts shown on the 
Company Returns to be due have been paid, and the Companies have 
withheld all amounts required to be withheld by or on their behalf.  
The Companies have delivered to ADAC accurate and complete copies of 
all Company Returns filed since December 31, 1991.  There is no 
agreement, plan, arrangement or other Contract covering any employee or 
independent contractor or former employee or independent contractor of 
the Company that, considered individually or considered collectively 
with any other such Contracts, will, or could reasonably be expected 
to, give rise directly or indirectly to the payment of any amount that 
would not be deductible pursuant to Section 280G or Section 162 of the 
Code.  The Company is not, and has never been, a party to or bound by 
any tax indemnity agreement, tax sharing agreement, tax allocation 
agreement or similar Contract. Except as set forth in the Disclosure 
Schedule, since December 31, 1991, (i) no Governmental Body has 
asserted any claim or otherwise made any allegation that the Companies 
have failed or may have failed to pay any sales tax, use tax or similar 
Tax, and (ii) the Companies have not engaged in any discussions or 
negotiations with any Governmental Body, and has not sent any written 
communication to or received any written communication from any 
Governmental Body, in connection with any possible failure on the part 
of the Company to pay any sales tax, use tax or similar Tax.

        4.14    Employee and Labor Matters; Benefit Plans.

                (a)     The Disclosure Schedule contains a list of all 
salaried employees of the Companies as of the date of this Agreement, 
and correctly reflects their salaries, any other compensation payable 
to them (including compensation payable pursuant to bonus, deferred 
compensation or commission arrangements), their dates of employment and 
their positions.  The Companies are not a party to any collective 
bargaining contract or other Contract with a labor union involving any 
of its employees.

                (b)     There is no employee of the Companies who is not 
fully available to perform work because of disability or other leave.

                (c)     The Disclosure Schedule identifies each salary, 
bonus, deferred compensation, incentive compensation, stock purchase, 
stock option, severance pay, termination pay, hospitalization, medical, 
insurance, supplemental unemployment benefits, profit-sharing, pension 
or retirement plan, program or agreement (individually referred to as a 
"Plan" and collectively referred to as the "Plans") sponsored, 
maintained, contributed to or required to be contributed to by the 
Company for the benefit of any current or former employee of the 
Company.

                (d)     Except as set forth in the Disclosure Schedule, the 
Companies do not maintain, sponsor or contribute to, and the Companies 
have not at any time in the past maintained, sponsored or contributed 
to, any employee pension benefit plan (as defined in Section 3(2) of 
the Employee Retirement Income Security Act of 1974, as amended 
("ERISA"), whether or not excluded from coverage under specific Titles 
or Merger Subtitles of ERISA) for the benefit of employees or former 
employees of the Company (a "Pension Plan").

                (e)     The Companies do not maintain, sponsor or contribute 
to any employee welfare benefit plan (as defined in Section 3(1) of 
ERISA, whether or not excluded from coverage under specific Titles or 
Merger Subtitles of ERISA) for the benefit of employees or former 
employees of the Company (a "Welfare Plan") except for those Welfare 
Plans described in Disclosure Schedule, none of which is a 
multiemployer plan (within the meaning of Section 3(37) of ERISA).

                (f)     The Companies are in compliance with all applicable 
Legal Requirements and Contracts relating to employment, employment 
practices, employee compensation, wages, bonuses and terms and 
conditions of employment. The Companies have paid all sums due and 
owing all employees and independent contractors of the Companies for 
all periods ending on or prior to the Closing Date or has made an 
appropriate reserve therefor in the September 30, 1997 Financial 
Statements, and have properly withheld all Taxes therefrom.  Each 
employee, agent and contractor to the Companies is authorized under the 
Immigration Reform and Control Act of 1986 to lawfully work in the 
United States.

        4.15    Litigation and Claims.  Except for the Rysky, Bear and 
Madison Radiology suits (the "Suits"), there is no examination, 
review, investigation, arbitration, suit, litigation or other 
proceeding (a "Legal Proceeding") pending or threatened by or before 
any court or Governmental Body in which any Company is a party or 
otherwise involved or to which any of the business or assets of any 
Company is subject, nor has any third party made any claim against any 
Company which could result in any such Legal Proceeding nor, to the 
best of the Companies' and the Shareholders' knowledge, is there any 
basis for any such claim or Legal Proceeding. The Companies are not a 
party to any decree, order or arbitration award (or agreement entered 
into in any Legal Proceeding) with respect to its properties, assets, 
personnel or business activities.  Except for the Suits, there are no 
Legal Proceedings pending or, to the knowledge of the Companies, 
threatened (or any basis therefor known to the Companies) involving the 
prior employment of any of the Companies' employees, their use in 
connection with the Companies' business of any information or 
techniques allegedly proprietary to any of their former employers, or 
their obligations under any agreements with prior employers.    

        4.16    Environmental Matters.  The Companies are and at all times 
have been in compliance with all applicable Environmental Laws.  The 
Companies possess all permits and other Governmental Authorizations 
required under applicable Environmental Laws, and the Companies are and 
at all times have been in compliance with the terms and requirements of 
all such Governmental Authorizations.  The Companies have not received 
any notice or other communication (whether from a Governmental Body, 
citizens group, employee or otherwise) that alleges that any Company is 
not in compliance with any Environmental Law.  To the best of the 
knowledge of the Companies and the Shareholders, no current or prior 
owner of any property leased or controlled by the Companies has 
received any notice or other communication (whether from a Governmental 
Body, citizens group, employee or otherwise) that alleges that such 
current or prior owner or any Company is not or was not in compliance 
with any Environmental Law.  All Governmental Authorizations currently 
held by the Companies pursuant to Environmental Laws are identified in 
the Disclosure Schedule. 

        4.17    Insurance.  The Disclosure Schedule contains an accurate 
and complete list of each insurance policy maintained by, at the 
expense of or for the benefit of the Companies and with respect to any 
claims made thereunder.  Each such insurance policy is in full force 
and effect.  Since December 31, 1994, the Companies have not received 
any notice or other communication regarding any actual or possible (a) 
cancellation or invalidation of any insurance policy, (b) refusal of 
any coverage or rejection of any claim under any insurance policy, or 
(c) material adjustment in the amount of the premiums payable with 
respect to any insurance policy.

        4.18    Full Disclosure.  This Agreement, the Disclosure Schedule 
and all other documents delivered by the Companies and the Shareholders 
to ADAC or its attorneys or agents in connection herewith or in 
connection with the transactions contemplated hereby, do not contain 
any untrue statement of a material fact or omit to state a material 
fact necessary in order to make the statements contained herein or 
therein not misleading. 

        4.19    Related Party Transactions.  Except as set forth in the 
Disclosure Schedule:  (a) no Related Party has, and no Related Party 
has at any time since December 31, 1994 had, any direct or indirect 
interest in any Asset; (b) no Related Party is, or has at any time 
since December 31, 1994 been, indebted to any Company; (c) since 
December 31, 1994, no Related Party has entered into, or has had any 
direct or indirect financial interest in, any Assumed Contract; (d) no 
Related Party is competing, or has at any time since December 31, 1994 
competed, directly or indirectly, with the Companies; and (e) no 
Related Party has any claim or right against the Companies (other than 
rights to receive compensation for services performed as an employee of 
any Company).  (For purposes of this Section 2.19, each of the 
following shall be deemed to be a "Related Party":  (i) each of the 
Shareholders; (ii) each individual who is, or who has at any time since 
December 31, 1994 been, an officer or director of any Company; 
(iii) each individual who is, or who has at any time since December 31, 
1994 been, a member of the immediate family of any of the individuals 
referred to in clauses "(i)" and "(ii)" above; and (iv) any trust or 
other Entity (other than a Company) in which any one of the individuals 
referred to in clauses "(i)", "(ii)" and "(iii)" above holds (or in 
which more than one of such individuals collectively hold), 
beneficially or otherwise, a voting, proprietary or equity interest.)

        4.20    Financial Advisor.  The Companies and the Shareholders 
represent and warrant that, no broker, finder or investment banker is 
entitled to any brokerage, finder's or other fee or commission in 
connection with the Acquisition or any of the other transactions 
contemplated hereby based upon arrangements made by or on behalf of the 
Companies or any Shareholder.

        4.21    Enforceability.  The Companies have the corporate power 
and authority to execute, deliver and perform each of the Transactional 
Agreements (as defined below) to which it is or will become a party.  
The execution and delivery of said Transactional Agreements have been 
duly and validly authorized by the unanimous vote of the Board of 
Directors of each Company and by the Shareholders of each Company. No 
other corporate proceedings on the part of the Company is necessary to 
authorize the Company's execution, delivery and performance by the 
Companies of their obligations under the Transactional Agreements.  
Said Transactional Agreements (a) have been (or will be) duly executed 
and delivered by duly authorized officers of the Companies and (b) 
constitute (or, when executed by the Companies, will constitute) legal, 
valid and binding obligations of the Companies enforceable against them 
in accordance with their terms.  For purposes of this Agreement, 
(i) "Transactional Agreements" means this Agreement and each of the 
other agreements and documents referred to in Articles 3 and 7 hereof; 
and (ii) "Transactions" means (A) the execution, delivery and 
performance of the respective Transactional Agreements and (B) each of 
the transactions contemplated by or otherwise referred to in any of the 
Transactional Agreements.

        4.22    Governmental Consents; No Conflicts.  Except as set forth 
in the Disclosure Schedule, there is no requirement applicable to any 
Company to make any filing with, or to obtain any permit, 
authorization, consent or approval of, any Governmental Body as a 
condition to the lawful consummation of any of the Transactions.  The 
Company does not know of any reason why any required permit, 
authorization, consent or approval will not be obtained.  Neither the 
execution and delivery of this Agreement by the Company nor the 
consummation by the Company of any of the Transactions will 
(a) conflict with, violate or result in any breach of any provision of 
the Articles of Incorporation or Bylaws (or comparable charter 
documents) of the Companies, (b) result in a default (or with notice or 
lapse of time or both would result in a default) under, or impair the 
rights of the Company or alter the rights or obligations of any third 
party under, or require the Company to make any material payment or 
become subject to any liability to any third party under, or give rise 
to any right of termination, amendment, cancellation, acceleration, 
repurchase, put or call under, any of the terms, conditions or 
provisions of any Contract, (c) result in the creation of any liens, 
charges or encumbrances on any of the assets of the Company or (d) 
conflict with or violate any law, statute, rule, regulation, judgment, 
order, writ, injunction, decree or arbitration award applicable to the 
Companies or any of their assets.

                                     5

                       REPRESENTATIONS AND WARRANTIES OF ADAC

        ADAC represents and warrants to the Companies and the 
Shareholders as follows:

        5.1     SEC Filings; Financial Statements.

                (a)     ADAC has delivered to the Companies accurate and 
complete copies (excluding copies of exhibits) of each report, 
registration statement (on a form other than Form S-8) and definitive 
proxy statement filed by ADAC with the SEC between September 30, 1996 
and the date of this Agreement (the "ADAC SEC Documents").  As of the 
time it was filed with the SEC (or, if amended or superseded by a 
filing prior to the date of this Agreement, then on the date of such 
filing):  (i) each of the ADAC SEC Documents complied in all material 
respects with the applicable requirements of the Securities Act or the 
Exchange Act (as the case may be); and (ii) none of the ADAC SEC 
Documents contained any untrue statement of a material fact or omitted 
to state a material fact required to be stated therein or necessary in 
order to make the statements therein, in the light of the circumstances 
under which they were made, not misleading.

                (b)     The consolidated financial statements contained in 
the ADAC SEC Documents:  (i) complied as to form in all material 
respects with the published rules and regulations of the SEC applicable 
thereto; (ii) were prepared in accordance with generally accepted 
accounting principles applied on a consistent basis throughout the 
periods covered, except as may be indicated in the notes to such 
financial statements and (in the case of unaudited statements) as 
permitted by Form 10-Q of the SEC, and except that unaudited financial 
statements may not contain footnotes and are subject to year-end audit 
adjustments; and (iii) fairly present the consolidated financial 
position of ADAC and its subsidiaries as of the respective dates 
thereof and the consolidated results of operations of ADAC and its 
subsidiaries for the periods covered thereby.

        5.2     Authority; Binding Nature of Agreement.  Subject to the 
requisite approval by the ADAC Board of Directors, ADAC has the 
corporate power and authority to perform its obligations under this 
Agreement.  No vote of ADAC's stockholders is needed to approve the 
Merger.  Subject to the foregoing, this Agreement constitutes the 
legal, valid and binding obligation of ADAC, enforceable against it in 
accordance with its terms.

        5.3     Valid Issuance.  The ADAC Common Stock to be issued in the 
Merger will, when issued in accordance with the provisions of this 
Agreement, be validly issued, fully paid and nonassessable.

        5.4     Financial Advisor.  ADAC represents and warrants that no 
broker, finder or investment banker is entitled to any brokerage, 
finder's or other fee or commission in connection with the Merger or 
any of the other Transactions based upon arrangements made by or on 
behalf of ADAC.

                                       6

                  CONDUCT AND TRANSACTIONS PRIOR TO EFFECTIVE TIME; 
                               ADDITIONAL AGREEMENTS

        6.1     Information and Access.

                (a)     During the period from the date of this Agreement 
through the Closing Date (the "Pre-Closing Period"):

                        (i)     the Companies shall afford, and shall cause 
the independent auditors, counsel and other advisors and 
representatives (collectively, "Representatives") of the Companies to 
afford, to ADAC and to ADAC's Representatives, reasonable access to the 
properties, books, records (including filed Tax Returns, Tax Returns in 
preparation and the audit work papers and other records of the 
independent auditors of the Companies) and personnel of the Companies 
in order that ADAC and ADAC's Representatives may have a full 
opportunity to make such investigation as ADAC reasonably desires to 
make of the Company;

                        (ii)    the Companies shall permit ADAC and ADAC's 
Representatives to make such reasonable inspections of the Companies 
and their operations as ADAC may reasonably require from time to time; 
and

                        (iii)   the Companies shall furnish ADAC and ADAC's 
Representatives with, and shall cause the Companies' Representatives to 
furnish ADAC with, such financial and operating data and other 
information with respect to the business and properties of the 
Companies as ADAC or its counsel may reasonably request from time to 
time.

                (b)     Without limiting the generality of Section 6.1(a), 
during the period from the date of this Agreement through the Closing 
Date, the Companies shall promptly provide ADAC with copies of:

                        (i)     all material operating and financial reports 
prepared by the Companies for its senior management, including copies 
of the unaudited monthly balance sheets of the Companies and the 
related unaudited monthly statements of operations, changes in 
financial position and changes in shareholders' equity (with copies of 
such monthly financial statements to be delivered to ADAC no later than 
the 20th day after the last day of the month to which they relate);

                        (ii)    any written materials or written 
communications sent by the Company to its shareholders generally in 
connection with their status as such; and

                        (iii)   any notice, report or other document filed 
with or sent to any Governmental Authority in connection with any of 
the Transactions.

                (c)     No investigation by ADAC or any of its 
Representatives pursuant to this Section 6.1 shall limit or otherwise 
affect any representations or warranties of the Companies or any 
condition to any obligation of ADAC.

        6.2     Conduct of Business of the Companies.

                (a)     Except as provided in Section 6.2(b), during the 
Pre-Closing Period, (i) the Companies shall conduct their business in 
the ordinary and usual course consistent with past practice and (ii) 
the Companies shall use their best efforts to maintain and preserve 
intact their business organizations, to keep available the services of 
their officers and employees and to maintain satisfactory relations 
with lessors, suppliers, contractors, distributors, customers and 
others having business relationships with the Companies.

                (b)     During the Pre-Closing Period,

                        (i)     the Companies shall keep in full force all 
insurance policies identified in the Disclosure Schedule;

                        (ii)    the Companies shall (to the extent requested 
by ADAC) cause its officers to report regularly (but in no event less 
frequently than weekly) to ADAC concerning the status of the Companies' 
businesses;

                        (iii)   the Companies shall not declare, accrue, set 
aside or pay any dividend or make any other distribution in respect of 
any shares of capital stock, and shall not repurchase, redeem or 
otherwise reacquire any shares of capital stock or other securities;

                        (iv)    the Companies shall not sell, issue or 
authorize the issuance of (A) any capital stock or other security, (B) 
any option, call, warrant or right to acquire, or relating to, any 
capital stock or other security, or (C) any instrument convertible into 
or exchangeable for any capital stock or other security;

                        (v)     none of the Companies nor any of the 
Shareholders shall amend or permit the adoption of any amendment to the 
Companies' articles of incorporation or bylaws, or effect or permit the 
Companies to become a party to any Acquisition Transaction, 
recapitalization, reclassification of shares, stock split, reverse 
stock split or similar transaction;

                        (vi)    the Companies shall not form any subsidiary or 
acquire any equity interest or other interest in any other entity;

                        (vii)   the Companies shall not make any capital 
expenditure, except for capital expenditures that, when added to all 
other capital expenditures made on behalf of the Companies during the 
Pre-Closing Period, do not exceed $5,000 in the aggregate (for purposes 
hereof, purchases of equipment held for sale shall not be deemed 
capital expenditures);

                        (viii)  the Companies shall not (i) enter into or 
become bound by, or permit any of the Assets to become bound by, any 
Material Contract or (ii) amend or prematurely terminate, or waive any 
material right or remedy under, any Material Contract;

                        (ix)    the Companies shall not (A) acquire, lease or 
license any right or other asset from any other Person, (B) sell or 
otherwise dispose of, or lease or license, any right or other asset to 
any other Person, or (C) waive or relinquish any right, except for 
immaterial assets acquired, leased, licensed or disposed of by the 
Companies pursuant to Contracts that are not Material Contracts;

                        (x)     the Companies shall not (A) lend money to any 
person or entity, or (B) incur or guarantee any indebtedness;

                        (xi)    the Companies shall not (A) establish, adopt 
or amend any Employee Benefit Plan, (B) pay any bonus or make any 
profit-sharing or similar payment to, or increase the amount of the 
wages, salary, commissions, fringe benefits or other compensation or 
remuneration payable to, any of its directors, officers or employees, 
or (C) hire more any new employees.

                        (xii)   the Companies shall not change any of their 
methods of accounting or accounting practices in any respect;

                        (xiii)  the Companies shall not make any Tax election;

                        (xiv)   the Companies shall not commence or settle any 
Legal Proceeding, which could have an adverse effect on the businesses 
being acquired or on ADAC, or its business, properties or assets;

                        (xv)    the Companies shall not enter into any 
material transaction or take any other material action outside the 
ordinary course of business or inconsistent with its past practices; 
and

                        (xvi)   the Companies shall not agree or commit to 
take any of the actions described in clauses "(iii)" through "(xv)" of 
this Section 6.2.

        6.3     Notification; Updates to Disclosure Schedule.

                (a)     During the Pre-Closing Period, the Companies shall 
promptly notify ADAC in writing of:

                        (i)     the discovery by any Company of any event, 
condition, fact or circumstance that occurred or existed on or prior to 
the date of this Agreement and that caused or constitutes an inaccuracy 
in or breach of any representation or warranty made by any Company or 
any of the Shareholders in this Agreement;

                        (ii)    any event, condition, fact or circumstance 
that occurs, arises or exists after the date of this Agreement and that 
would cause or constitute an inaccuracy in or breach of any 
representation or warranty made by the Companies or any of the 
Shareholders in this Agreement if (A) such representation or warranty 
had been made as of the time of the occurrence, existence or discovery 
of such event, condition, fact or circumstance, or (B) such event, 
condition, fact or circumstance had occurred, arisen or existed on or 
prior to the date of this Agreement;

                        (iii)   any breach of any covenant or obligation of 
the Companies or any of the Shareholders; and

                        (iv)    any event, condition, fact or circumstance 
that would make the timely satisfaction of any of the conditions set 
forth in Articles 7 or 8 impossible or unlikely.

                (b)     If any event, condition, fact or circumstance that 
is required to be disclosed pursuant to Section 6.3(a) requires any 
change in the Disclosure Schedule, or if any such event, condition, 
fact or circumstance would require such a change assuming the 
Disclosure Schedule were dated as of the date of the occurrence, 
existence or discovery of such event, condition, fact or circumstance, 
then the Companies shall promptly deliver to ADAC an update to the 
Disclosure Schedule specifying such change.  No such update shall be 
deemed to supplement or amend the Disclosure Schedule for the purpose 
of (i) determining the accuracy of any of the representations and 
warranties made by the Companies or any of the Shareholders in this 
Agreement, or (ii) determining whether any of the conditions set forth 
in Article 8 have been satisfied.

        6.4     Negotiation With Others.

                (a)     During the Pre-Closing Period, the Companies shall 
not, and shall not authorize or permit any of their respective 
officers, directors or employees, directly or indirectly, to (i) 
solicit, initiate or knowingly encourage or induce the making of any 
Acquisition Transaction, (ii) furnish information regarding the 
Companies in connection with an Acquisition Proposal or potential 
Acquisition Transaction, (iii) negotiate or engage in discussions with 
any third party with respect to any Acquisition Transaction, (iv)  
approve, endorse or recommend any Acquisition Transaction or (v) enter 
into any letter of intent, contract or other instrument related 
directly or indirectly to any Acquisition Transaction or contracts with 
advisors or consultants. 

                (b)     During the Pre-Closing Period, none of Shareholders 
shall, directly or indirectly, (i) solicit, initiate or knowingly 
encourage or induce the making of any Acquisition Transaction, (ii) 
furnish information regarding the Companies in connection with an 
Acquisition Transaction or potential Acquisition Transaction, (iii) 
negotiate or engage in discussions with any third party with respect to 
any Acquisition Transaction, (iv)  approve, endorse or recommend any 
Acquisition Transaction or (v) enter into any letter of intent, 
contract or other instrument related directly or indirectly to any 
Acquisition Transaction or contracts with advisors or consultants.  
Each Shareholder represents and warrants to ADAC that it has adopted 
and approved the reorganization contemplated hereby and has voted all 
shares of capital stock of the Companies owned by it in favor of the 
Acquisition.

                (c)     The Companies shall immediately cease and cause to 
be terminated any discussions or negotiations with any parties existing 
as of the date of this Agreement and that relate to any Acquisition 
Transaction.

        6.5     Additional Agreements.  The Companies and each Shareholder 
agree to use their best efforts to take, or cause to be taken, all 
actions necessary to consummate the Acquisition and make effective the 
other Transactions.  Without limiting the generality of the foregoing, 
the Companies shall use all commercially reasonable efforts to obtain 
the consent and approval of each Governmental Body, lessor or other 
person whose consent or approval is required (by virtue of any 
contractual provision or Legal Requirement or otherwise) in order to 
permit the consummation of the Acquisition or any of the other 
Transactions or in order to enable ADAC to conduct the businesses of 
the Companies in the manner in which such businesses are currently 
being conducted.

        6.6     Public Announcements.  During the Pre-Closing Period, none 
of the Companies nor any of the Shareholders shall (and the Companies 
shall not permit any of their representatives to) issue any press 
release or make any public statement regarding this Agreement or the 
Acquisition, or regarding any of the other transactions contemplated by 
this Agreement, without ADAC's prior written consent.  During the Pre-
Closing Period, ADAC will consult with the Companies prior to issuing 
any press release or making any public statement regarding the 
Acquisition (unless ADAC reasonably determines that ADAC is required, 
by virtue of any applicable Legal Requirement, to issue any such press 
release or make any such public statement under circumstances that make 
it infeasible or impractical to consult with the Companies).

        6.7     Employment Agreements.  Each of Messrs. Stockton and 
Manubay, on the one hand, and Messrs. Karlen and Marino, on the other 
hand, shall execute and deliver to ADAC, on or prior to the Closing 
Date, Employment Agreements substantially in the forms attached hereto 
as Exhibits F-1 and F-2.

        6.8     Continuity of Interest Certificates.  Each Shareholder 
shall execute and deliver to ADAC, as promptly as possible after the 
execution of this Agreement, a Continuity of Interest Certificate in 
the form attached hereto as Exhibit G. 

        6.9     Tax Certificates.  The Companies shall deliver to ADAC's 
counsel a tax certificate substantially in the form attached hereto as 
Exhibit H (the "Company Tax Certificate").  ADAC shall deliver to the 
Companies' counsel a tax certificate substantially in the form attached 
hereto as Exhibit  I (the "ADAC Tax Certificate"). 

        6.10    Lease.  ADAC and the landlord of the premises currently 
occupied by the Companies shall execute a lease in the form of Exhibit 
J attached hereto (the "Lease").

        6.11    Registration Statement.  As soon as practicable but no 
later than 120 days following the Closing Date, ADAC shall prepare and 
cause to be filed with the SEC a Registration Statement on Form S-3 to 
register all of the shares of ADAC Common Stock to be issued to the 
Companies in the Acquisition.  ADAC shall use its best efforts to cause 
such registration statement to become effective as soon as practicable 
after the filing thereof.

                                     7

                    CONDITIONS PRECEDENT TO OBLIGATIONS OF ADAC

        The obligations of ADAC to effect the Acquisition and to 
otherwise consummate the transactions contemplated hereby are subject 
to the fulfillment at or prior to the Closing of each of the following 
conditions:

        7.1     Representations and Warranties Accurate.  The 
representations and warranties of the Companies and the Shareholders 
contained in this Agreement and in each of the other instruments and 
documents delivered to ADAC in connection with the transactions 
contemplated hereby shall have been accurate in all respects as of the 
date of this Agreement.  The representations and warranties of the 
Companies and the Shareholders contained in this Agreement and in each 
of the other instruments and documents delivered to ADAC in connection 
with the transactions contemplated hereby shall be accurate in all 
respects as of the Closing Date as if made on and as of the Closing 
Date. 

        7.2     Compliance With Covenants.  The Companies and the 
Shareholders shall have complied with and performed in all material 
respects each covenant contained in this Agreement that is required to 
be performed by them on or prior to the Closing Date.  

        7.3     Consents.  All consents required to be obtained in 
connection with the Acquisition and the other transactions contemplated 
by this shall have been obtained and shall be in full force and effect.

        7.4     Agreements and Documents.  ADAC and the Companies shall 
have received the following agreements and documents, each of which 
shall be in full force and effect:

                (a)     Companies' Investment Certificate in the form of 
Exhibit K, dated as of the date hereof, executed by each of the 
Companies and the Shareholders;

                (b)     Employment Agreements in the form of Exhibit F-1 and 
F-2, executed by Messrs. Stockton and Manubay, and Messrs. Karlen and 
Marino, respectively;

                (c)     Continuity of Interest Certificates in the form of 
Exhibit G, executed by each Company and Shareholder;

                (d)     a legal opinion of counsel to the Companies, dated 
as of the Closing Date, in the form to be agreed by counsel for the 
Companies and ADAC;

                (e)     a certificate executed by each Company and the 
Shareholders and containing the representation and warranty of each 
that each of the representations and warranties set forth in Section 4 
is accurate in all respects as of the Closing Date as if made on the 
Closing Date and that the conditions set forth in Sections 7.1, 7.2, 
7.3, 7.6 and 7.9 have been duly satisfied (the " Closing Certificate"); 

        7.5     Employees.  At least 95% of the employees of the Companies 
shall have accepted employment with ADAC contingent upon the closing of 
the Acquisition.

        7.6     No Material Adverse Change.  There shall have been no 
material adverse change in the business, condition, assets, 
liabilities, operations, financial performance or prospects of any of 
the Companies since the date of this Agreement.

        7.7     Exempt Transaction.  The issuance of the ADAC stock to the 
Shareholders in the Acquisition shall be exempt from the registration 
requirements of the Securities Act of 1933, as amended.

        7.8     No Restraints.  No temporary restraining order, 
preliminary or permanent injunction or other order preventing the 
consummation of the Acquisition shall have been issued by any court of 
competent jurisdiction and remain in effect, and there shall not be any 
Legal Requirement enacted or deemed applicable to the Acquisition that 
makes consummation of the Acquisition illegal.

        7.9     No Legal Proceedings.  No person shall have commenced or 
threatened to commence any Legal Proceeding challenging or seeking the 
recovery of a material amount of damages in connection with the 
Acquisition or that may have the effect of preventing, delaying, making 
illegal or otherwise interfering with the Acquisition or any of the 
other transactions contemplated by this Agreement.

        7.10    Confidentiality and Nondisclosure Agreements.  Each 
employee of the Companies who will become an employee of ADAC following 
the Acquisition shall have executed and delivered to ADAC ADAC's 
standard form of Nondisclosure and Inventions Agreement.

        7.11    Lease.  ADAC and the appropriate landlord shall have 
executed the Lease, and the previous leases and subleases for the 
underlying property shall have been terminated.

        7.12    Bulk Sales.  ADAC shall have determined that all filings, 
publications and notification requirements set forth in the Bulk 
Transfers division of the California Uniform Commercial Code have been 
complied with or that such requirements are not applicable to the 
transactions described by this Agreement or the parties shall have 
waived such actions.

                                    8

     CONDITIONS PRECEDENT TO THE COMPANIES' AND THE SHAREHOLDERS' OBLIGATIONS

        The obligations of the Companies and the Shareholders to effect 
the Acquisition and otherwise consummate the transactions contemplated 
by this Agreement are subject to the fulfillment, at or prior to the 
Closing, of the following conditions:

        8.1     Representations and Warranties Accurate. The 
representations and warranties of ADAC contained in this Agreement and 
in each of the other instruments and documents delivered to the 
Companies and the Shareholders in connection with the transactions 
contemplated hereby shall have been accurate in all material respects 
as of the date of this Agreement.  The representations and warranties 
of ADAC contained in this Agreement and in each of the other 
instruments and documents delivered to the Companies and the 
Shareholders in connection with the transactions contemplated hereby 
shall be accurate in all respects as of the Closing Date as if made on 
and as of the Closing Date.

        8.2     Compliance With Covenants.  ADAC shall have complied with 
and performed in all material respects each covenant contained in this 
Agreement that is required to be performed by ADAC on or prior to the 
Closing Date.  

        8.3     Certificate.  ADAC shall have delivered to the Companies 
and the Shareholders a certificate of an executive officer of ADAC 
evidencing compliance with the conditions set forth in Sections 8.1 and 
8.2.

        8.4     Legal Opinion.  The Companies shall have received an 
opinion of counsel to ADAC, dated the Closing Date, in a form to be 
agreed by counsel for the Companies and ADAC.

        8.5     Absence of Restraint.  No order to restrain, enjoin or 
otherwise prevent the consummation of the Acquisition or any of the 
other Transactions shall have been entered by any court or Governmental 
Body.

                                      9

                          TERMINATION OF AGREEMENT

        9.1     Termination.

                (a)     This Agreement may be terminated prior to the 
Effective Time:

                        (i)     by mutual written consent of the respective 
Boards of Directors of ADAC and the Companies;

                        (ii)    by either ADAC or SCI if the Acquisition shall 
not have been consummated by November 30, 1997 (unless the failure to 
consummate the Acquisition is attributable to a failure on the part of 
the party seeking to terminate this Agreement to perform any material 
obligation required to be performed by such party at or prior to the 
Effective Time);

                        (iii)   by either ADAC or SCI if a court of competent 
jurisdiction or Governmental Authority shall have issued a final and 
nonappealable order, decree or ruling, or shall have taken any other 
action, having the effect of permanently restraining, enjoining or 
otherwise prohibiting the Acquisition;

                (b)     This Agreement may be terminated prior to the 
Closing Date:

                        (i)     by ADAC if any of the Companies' or the 
Shareholders' representations and warranties contained in this 
Agreement shall be or shall have become materially inaccurate as of the 
date of this Agreement, or if any of the Companies' or the Shareholder' 
covenants contained in this Agreement shall have been breached in any 
material respect; provided, however, that if an inaccuracy in the 
Companies' or the Shareholders' representations and warranties or a 
breach of a covenant by the Companies or the Shareholders' is curable, 
the Companies and/or the Shareholders shall have ten days to cure such 
breach; or

                        (ii)    by SCI if any of ADAC's representations and 
warranties contained in this Agreement shall be or shall have become 
materially inaccurate as of the date of this Agreement, or if any of 
ADAC's covenants contained in this Agreement shall have been breached 
in any material respect; provided, however, that if an inaccuracy in 
ADAC's representations and warranties or a breach of a covenant by ADAC 
is curable by ADAC, ADAC shall have ten days to cure such breach.

        9.2     Effect of Termination.  In the event of the termination of 
this Agreement as provided in Section 9.1, this Agreement shall be of 
no further force or effect; provided, however, that (i) this 
Section 9.2, Section 9.3 and Section 11.9 shall survive the termination 
of this Agreement and shall remain in full force and effect and 
(ii) the termination of this Agreement shall not relieve any party from 
any liability for any breach of this Agreement.

        9.3     Fees and Expenses.  Each of ADAC, the Companies and the 
Shareholders shall bear its own expenses in connection with the 
preparation, negotiation, execution and performance of this Agreement, 
the Acquisition and the Transactions.

                                       10

                             INDEMNITY AND HOLDBACK

        10.1    Agreement to Indemnify.  The Companies and the 
Shareholders hereby jointly and severally agree to indemnify and hold 
ADAC and its affiliates, and each of their respective officers, 
directors, employees and agents, harmless from and against all claims, 
losses, liabilities, damages, deficiencies, costs and expenses, 
including reasonable attorneys' fees and expenses of investigation 
("Losses"), incurred by any of them as a result of (i) any inaccuracy 
or breach of a representation or warranty of the Companies or the 
Shareholders, (ii) any failure of the Companies or the Shareholders to 
perform or comply with any covenant contained herein to be complied 
with by them, or (iii) any Liability of the Companies, except to the 
extent such Liability constitutes an Assumed Liability. 

        10.2    Holdback Amount.  On the Closing Date, ADAC shall withhold 
an aggregate of ten percent (10%) of the ADAC Common Stock (the 
"Holdback Common Stock") being delivered pursuant to Article 2 hereof, 
and the Companies shall deliver to ADAC endorsed stock powers (the 
"Stock Powers") in blank for the Holdback Common Stock.  ADAC shall 
hold the Holdback Common Stock until the date specified in Section 10.8 
(the "Holdback Period").  

        10.3    Voting of Shares.  During the Holdback Period, the record 
owners of the shares of Holdback Common Stock shall be entitled to 
exercise all voting rights with respect to such shares of Holdback 
Common Stock.  Any cash, securities or other property distributable 
(whether by way of dividend, stock split or otherwise) in respect of or 
in exchange for any shares of Holdback Common Stock held by ADAC shall 
not be distributed to the record owner of such shares, but rather shall 
be held by ADAC.  At the time any shares of Holdback Common Stock are 
released by ADAC, any cash, securities or other property previously 
distributed in respect of or in exchange for such shares shall be 
released by ADAC to such person.  

        10.4    Transferability; Fractional Shares.  The interests of the 
record owners in the Holdback Common Stock shall not be assignable or 
transferable, other than by operation of law.  No transfer of any of 
such interests by operation of law shall be recognized or given effect 
until ADAC shall have received written notice of such transfer.  No 
fractional shares of Holdback Common Stock shall be retained in or 
released pursuant to this Article 10.  In connection with any release 
of shares of the Holdback Common Stock, ADAC shall be permitted to 
"round down" or to follow such other rounding procedures as ADAC 
reasonably determines to be appropriate in order to avoid retaining any 
fractional share and in order to avoid releasing any fractional share.

        10.5    Claim Notice.  If ADAC determines in good faith that (i) 
there has been a possible breach by the Companies or any Shareholder of 
any representation, warranty, covenant or other provision set forth in 
this Agreement or any agreement or instrument delivered pursuant 
hereto; (ii) any breach of any covenant or obligation of the Companies 
or any of the Shareholders; or (iii) there is a reasonable likelihood 
of ADAC incurring any other Losses covered by Section 10.1, and if ADAC 
wishes to make a claim against the Holdback Common Stock with respect 
to any matter set forth in clause "(i)," "(ii)," or "(iii)" above, then 
ADAC may deliver to Mr. Rick Stockton, as agent (the "Agent") for the 
persons or entities entitled to the Holdback Common Stock a certificate 
signed by one or more of its officers (a "Claim Notice") setting forth 
the claim and the amount of the claim (the "Claim Amount"), with a copy 
to the Company's counsel.  No Claim Notice may be issued following the 
Expiration Date.

        10.6    Response Notice.  Within thirty (30) days after the 
delivery of a Claim Notice to the Agent, the Agent shall deliver to 
ADAC a written notice (the "Response Notice") containing:

                (a)     instructions to the effect that shares of Holdback 
Common Stock having a Stipulated Value (as defined below) equal to the 
entire Claim Amount set forth in such Claim Notice are to be released 
to ADAC; or

                (b)     instructions to the effect that shares of Holdback 
Common Stock having a Stipulated Value equal to a specified portion 
(but not the entire amount) of the Claim Amount set forth in such Claim 
Notice are to be released to ADAC, together with a statement that the 
remaining portion of such Claim Amount is being disputed;  

                (c)     a statement that the entire Claim Amount set forth 
in such Claim Notice is being disputed; or 

                (d)     if the Claim Notice relates to a third party claim 
and the Agent, on behalf of the persons or entities entitled to the 
Holdback Common Stock, desires to defend, indemnify and hold harmless 
ADAC against the underlying claim, has executed an agreement to that 
effect with ADAC and posted any security deemed reasonably necessary by 
ADAC and has actually assumed the defense of such claim by such date, 
instructions to the effect that the shares of Holdback Common Stock 
that would otherwise by released to ADAC with respect to such claim 
shall continue to be retained by ADAC in accordance with the other 
provisions hereof as if the Claim Notice with respect to such third 
party claim had not been made.  Agent shall reimburse ADAC for 
reasonable costs of providing assistance in such litigation as 
requested by Agent.  ADAC shall have the right to participate, at its 
own expense, in the defense of any such third party claim, and, to the 
extent any settlement of such claim could reasonably be expected to 
have an adverse effect on ADAC or its business, properties or assets, 
or requires any action on the part of ADAC, shall have the right to 
consent to any settlement thereof. 

If no Response Notice is received by ADAC from the Agent within thirty 
(30) days after the delivery of a Claim Notice to the Agent, then the 
Companies shall be deemed to have given instructions that shares of 
Holdback Common Stock having a Stipulated Value equal to the entire 
Claim Amount set forth in such Claim Notice are to be released to ADAC.

        10.7    Release of Shares to ADAC.

                (a)     If the Agent gives (or is deemed to have given) 
instructions that shares of Holdback Common Stock having a Stipulated 
Value equal to the entire Claim Amount set forth in a Claim Notice are 
to be released to ADAC, then ADAC shall be authorized to use the Stock 
Powers to transfer to ADAC shares of Holdback Common Stock having a 
Stipulated Value equal to such Claim Amount.

                (b)     If a Response Notice delivered by the Agent in 
response to a Claim Notice contains instructions to the effect that 
shares of Holdback Common Stock having a Stipulated Value equal to a 
specified portion (but not the entire amount) of the Claim Amount set 
forth in such Claim Notice are to be released to ADAC, then (i) ADAC 
shall be authorized to use the Stock Powers to transfer to ADAC shares 
of Holdback Common Stock having a Stipulated Value equal to such 
specified portion of such Claim Amount, and (ii) the procedures set 
forth in Section 10.7(c) shall be followed with respect to the 
remaining portion of such Claim Amount.

                (c)     If a Response Notice delivered by the Agent in 
response to a Claim Notice contains a statement that all or a portion 
of the Claim Amount set forth in such Claim Notice is being disputed 
(such Claim Amount or the disputed portion thereof being referred to as 
the "Disputed Amount"), then, notwithstanding anything contained in 
Section 10.8, ADAC shall continue to hold (in addition to any other 
shares of Holdback Common Stock permitted to be retained, whether in 
connection with any other dispute, or otherwise) shares of Holdback 
Common Stock having a Stipulated Value equal to One Hundred Twenty-Five 
percent (125%) of the Disputed Amount.  Such shares of Holdback Common 
Stock shall continue to be held until such time as (i) ADAC or the 
Agent execute a settlement agreement containing instructions regarding 
the release of such shares, or (ii) ADAC receives a copy of a court 
order containing instructions to ADAC regarding the release of such 
shares. ADAC shall thereupon release such shares of Holdback Common 
Stock in accordance with the instructions set forth in such settlement 
agreement or court order.  (The parties acknowledge that it is 
appropriate to retain more than One Hundred percent (100%) of the Claim 
Amount in recognition of the fact that ADAC may have underestimated the 
aggregate amount of the actual and potential Losses arising from a 
particular breach.)  For purposes of this Article 10, the "Stipulated 
Value" of each of the shares of Holdback Common Stock held shall be 
deemed to be equal to the Designated ADAC Stock Price.

                (d)     Shares of Holdback Common Stock shall be transferred 
to ADAC as permitted under this Article 10 on a pro-rata basis from 
each Company, based on the number of shares of Holdback Common Stock in 
the name of each Company. Any release of Holdback Common Stock to ADAC 
shall be an adjustment in and reduction of the consideration due the 
Companies as set forth in Article 2.

        10.8    Release of Shares to Agent.  On the first anniversary of 
the Closing Date (the "Expiration Date"), ADAC shall release to the 
Companies or their successors in interest the remaining shares of 
Holdback Common Stock then held by ADAC, except to the extent any such 
shares are to be retained by ADAC pursuant to Section 10.7(c).

        10.9    Basket.  Notwithstanding anything to the contrary 
contained herein, ADAC shall have no right to make a claim under this 
Section 10 until the aggregate amount of all claims being made by ADAC 
exceed $25,000, at which point ADAC may assert any and all claims it 
has under this Section.  

                                       11

                                  MISCELLANEOUS

        11.1    Non-Compete.  Each Company and each Shareholder hereby 
agrees that during the period commencing upon the Closing Date and 
ending two years after the Closing Date, without the prior written 
consent of ADAC, it shall not, within any state in the United States, 
either as an individual or as an employee, agent, consultant, advisor, 
independent contractor, general partner, officer, director, shareholder 
or investor of any person: (i) participate or engage in the design, 
development, manufacture, production, marketing, sale or servicing of 
any product, or the provision of any service, that directly or 
indirectly competes with any product or service designed, developed, 
manufactured, produced, marketed, sold or provided by ADAC; (ii) 
solicit or attempt to solicit any person who at the time of such 
inducement is an employee of ADAC to perform work or services for any 
other person; or (iii) permit the name of such Company or Shareholder 
to be used in connection with any business that competes with ADAC.  
The foregoing obligations shall terminate in the event ADAC commits a 
material breach of this Agreement.

        11.2    Amendment.  This Agreement may be amended with the 
approval of the respective Boards of Directors of the Companies and 
ADAC at any time; provided, however, that no amendment shall be made 
which would have a material adverse effect on the Shareholders without 
the further approval of such Shareholders.  This Agreement may not be 
amended except by an instrument in writing signed on behalf of each of 
the parties hereto.

        11.3    Waiver.  No failure on the part of any party to exercise 
any power, right, privilege or remedy under this Agreement, and no 
delay on the part of any party in exercising any power, right, 
privilege or remedy under this Agreement, shall operate as a waiver of 
such power, right, privilege or remedy; and no single or partial 
exercise of any such power, right, privilege or remedy shall preclude 
any other or further exercise thereof or of any other power, right, 
privilege or remedy.  No party shall be deemed to have waived any claim 
arising out of this Agreement, or any power, right, privilege or remedy 
under this Agreement, unless the waiver of such claim, power, right, 
privilege or remedy is expressly set forth in a written instrument duly 
executed and delivered on behalf of such party; and any such waiver 
shall not be applicable or have any effect except in the specific 
instance in which it is given.

        11.4    Severability.  In the event that any provision of this 
Agreement or the application thereof, becomes or is declared by a court 
of competent jurisdiction to be illegal, void, or unenforceable, the 
remainder of this Agreement will continue in full force and effect and 
the application of such provision to other persons or circumstances 
will be interpreted so as reasonably to effect the intent of the 
parties hereto.  The parties further agree to replace such void or 
unenforceable provision of this Agreement with a valid and enforceable 
provision that will achieve, to the extent possible, the economic, 
business an other purposes of such void or unenforceable provision.

        11.5    Entire Agreement; Counterparts; Applicable Law.  This 
Agreement and the other agreements referred to herein constitute the 
entire agreement and supersede all prior agreements and understandings, 
both written and oral, among or between any of the parties with respect 
to the subject matter hereof, including the letter agreement between 
the parties dated August 7, 1997.  This Agreement may be executed in 
several counterparts, each of which shall be deemed an original and all 
of which shall constitute one and the same instrument, and shall be 
governed in all respects by the laws of the State of California as 
applied to contracts entered into and to be performed entirely within 
California.

        11.6    Assignability. This Agreement shall be binding upon: the 
Companies and their respective successors and assigns (if any); the 
Shareholders and their respective personal representatives, executors, 
administrators, estates, heirs, successors and assigns (if any); and 
ADAC and its successors and assigns (if any).  This Agreement shall 
inure to the benefit of:  the Companies; the Shareholders; ADAC; and 
the respective successors and assigns (if any) of the foregoing.  This 
Agreement may not be assigned by any party without the prior written 
consent of all the other parties hereto.

        11.7    Notices.  All notices and other communications pursuant to 
this Agreement shall be in writing and shall be deemed given if 
delivered personally, faxed, sent by nationally-recognized, overnight 
courier or mailed by registered or certified mail (return receipt 
requested), postage prepaid, to the parties at the following addresses 
(or at such other address for a party as shall be specified by like 
notice):

        If to ADAC,
        to:              ADAC Laboratories
                         540 Alder Drive
                         Milpitas, California  95035
                         Attention:  Steve Giardina, 
                         with a copy to:  Karen L.Masterson

        If to the Companies
        or the Shareholders, 
        to:              SCI
                         1137 East Philadelphia Street
                         Ontario, CA  91761

        with a copy to: Goldenring & Prosser
                        6050 Seahawk Street
                        Ventura, CA  93003
                        Attn:  Peter Goldenring

        All such notices and other communications shall be deemed to have been 
received (a) in the case of personal delivery, on the date of such 
delivery, (b) in the case of a fax, when the party receiving such fax 
shall have actually received the communication, (c) in the case of 
delivery by nationally-recognized, overnight courier, on the Business 
Day following dispatch and (d) in the case of mailing, on the fifth 
Business Day following such mailing.

        11.8    Cooperation.   Each of the Companies, the Shareholders and 
ADAC agrees to cooperate fully with the other and to execute and 
deliver such further documents, certificates, agreements and 
instruments and to take such other actions as may be reasonably 
requested by the other to evidence or reflect the Transactions and to 
carry out the intent and purposes of this Agreement.

        11.9    Confidentiality.  The parties hereby agree that all 
information about the other that is or was obtained pursuant to this 
Agreement or the letter agreement dated August 7, 1997, shall be deemed 
confidential and shall not be disclosed to any other party except as 
contemplated hereby and such information will not be used for any 
purpose except evaluating the desirability of the Acquisition.  The 
foregoing shall not apply however to information (i) known to a party 
prior to such disclosure to such party, (ii) information that become 
generally available to the public or to a party without confidentiality 
restrictions after the date hereof, and (iii) required to be disclosed 
by law or court order. Without limiting the generality of the 
foregoing, on and at all times after the Closing Date, each Shareholder 
shall keep confidential, and shall not use or disclose to any other 
Person, any non-public document or other non-public information in such 
Shareholder's possession that relates to the businesses of the 
Companies or ADAC.

        11.10   Survival of Representations and Warranties and Indemnity. 
 The representations and warranties made by and the indemnity given by 
the Companies and the Shareholders in this Agreement and the other 
agreements and instruments delivered pursuant hereto shall survive the 
Closing and shall expire on the Expiration Date, provided that any of 
the foregoing relating to Taxes shall survive for the applicable 
statute of limitations period, and provided further that if at any time 
prior to the Expiration Date, ADAC delivers to the Agent a Claim Notice 
then the claim asserted in such notice shall survive the Expiration 
Date until such time as such claim is fully and finally resolved.  The 
representations and warranties of ADAC shall expire on the Closing 
Date.  

        11.11   Certain Terms.  As used in this Agreement:

                (a)     "Acquisition Transaction " shall mean any proposal 
(other than any proposal by ADAC) regarding (i) any merger, 
consolidation, share exchange, business combination or other similar 
transaction or series of related transactions involving the Companies; 
(ii) any sale, lease, exchange, transfer or other disposition of the 
assets of the Companies constituting more than 10% of the consolidated 
assets of the Companies or accounting for more than 10% of the 
consolidated revenues of the Companies in any one transaction or in a 
series of related transactions; and (iii) any offer to purchase, tender 
offer, exchange offer or any similar transaction or series of related 
transactions made by any person involving more than 10% of the 
outstanding shares of the capital stock of the Companies.

                (b)     "Assumed Contracts" shall mean Company Contracts 
listed in Exhibit A.  

                (c)     "Company Contract" shall mean any Contract:  (a) to 
which any Company is a party; (b) by which any Company or any of its 
assets is or may become bound or under which the Companies have, or may 
become subject to, any obligation; or (c) under which any of the 
Companies have or may acquire any right or interest.

                (d)     "Company Proprietary Asset" shall mean any 
Proprietary Asset owned by or licensed to the Companies or otherwise 
used by the Companies.

                (e)     "Contract" shall mean any written, oral or other 
agreement, contract, subcontract, lease, understanding, instrument, 
note, warranty, insurance policy, benefit plan, or legally binding 
commitment or undertaking of any nature.

                (f)     "Employee Benefit Plan" shall have the meaning 
specified in Section 3(3) of ERISA.

                (g)     "Environmental Law" shall mean any federal, state, 
local or foreign Legal Requirement relating to pollution or protection 
of human health or the environment (including ambient air, surface 
water, ground water, land surface or subsurface strata), including any 
law or regulation relating to emissions, discharges, releases or 
threatened releases of Materials of Environmental Concern, or otherwise 
relating to the manufacture, processing, distribution, use, treatment, 
storage, disposal, transport or handling of Materials of Environmental 
Concern.

                (h)     "Governmental Authorization" shall mean any:  (a) 
permit, license, certificate, franchise, permission, clearance, 
registration, qualification or authorization issued, granted, given or 
otherwise made available by or under the authority of any Governmental 
Body or pursuant to any Legal Requirement; or (b) right under any 
Contract with any Governmental Body.

                (i)     "Governmental Body" means any (i) nation, state, 
commonwealth, province, territory, county, municipality, district or 
other jurisdiction of any nature; (ii) federal, state, local, 
municipal, foreign or other government; or (iii) governmental or 
quasi-governmental authority of any nature (including any governmental 
division, department, agency, commission, instrumentality, official, 
organization, unit, body or entity and any court or other tribunal.

                (j)     The words "include" and "including," and variations 
thereof, shall not be deemed to be terms of limitation, but rather 
shall be deemed to be followed by the words "without limitation."

                (k)      "Legal Requirements" means any federal, state, 
local, municipal, foreign or other law, statute, constitution, 
principle of common law, resolution, ordinance, code, edict, decree, 
rule, regulation, ruling or requirement issued, enacted, adopted, 
promulgated, implemented or otherwise put into effect by or under the 
authority of any Governmental Body.

                (l)     "Liabilities" shall mean obligations and claims of 
any nature, whether known or unknown, absolute, contingent or 
otherwise, and whether due or to become due.

                (m)     "Material Adverse Effect" shall mean a material 
adverse effect on the business, operations, results, financial 
condition, assets or prospects of the Companies other than as a result 
(i) general economic or industry conditions, or (ii) the performance by 
the Companies of their obligations, or the exercise by ADAC of its 
rights under this Agreement (a "Material Adverse Effect").  

                (n)     "Materials of Environmental Concern" shall include 
chemicals, pollutants, contaminants, wastes, toxic substances, 
petroleum and petroleum products and any other substance that is now or 
in the future regulated by any Environmental Law or that is otherwise a 
danger to health, reproduction or the environment.   

                (o)     "Person" refers to any (i) individual, 
(ii) corporation, partnership, company or other entity, or 
(iii) Governmental Body. 

                (p)     "Proprietary Asset" shall mean any: (a) patent, 
patent application, trademark (whether registered or unregistered), 
trademark application, trade name, fictitious business name, service 
mark (whether registered or unregistered), service mark application, 
copyright (whether registered or unregistered), copyright application, 
maskwork, maskwork application, trade secret, know-how, customer list, 
franchise, system, computer software, source code, computer program, 
invention, design, blueprint, engineering drawing, proprietary product, 
technology, proprietary right or other intellectual property right or 
intangible asset; or (b) right to use or exploit any of the foregoing.

                (q)     "Tax" shall mean any tax (including any income tax, 
franchise tax, capital gains tax, gross receipts tax, value-added tax, 
surtax, excise tax, ad valorem tax, transfer tax, stamp tax, sales tax, 
use tax, property tax, business tax, withholding tax or payroll tax), 
levy, assessment, tariff, duty (including any customs duty), deficiency 
or fee, and any related charge or amount (including any fine, penalty 
or interest), imposed, assessed or collected by or under the authority 
of any Governmental Body.

                (r)     "Tax Return" shall mean any return (including any 
information return), report, statement, declaration, estimate, 
schedule, notice, notification, form, election, certificate or other 
document or information filed with or submitted to, or required to be 
filed with or submitted to, any Governmental Body in connection with 
the determination, assessment, collection or payment of any Tax or in 
connection with the administration, implementation or enforcement of or 
compliance with any Legal Requirement relating to any Tax.

        11.12   Titles.  The titles and captions of the Articles and 
Sections of this Agreement are included for convenience of reference 
only and shall have no effect on the construction or meaning of this 
Agreement.

        11.13   Articles, Sections and Exhibits.  Except as otherwise 
indicated, all references in this Agreement to "Articles," "Sections" 
and "Exhibits" are intended to refer to Articles and Sections of this 
Agreement and Exhibits to this Agreement.

        IN WITNESS WHEREOF, the parties hereby have executed this Agreement 
and Plan of Reorganization as of the date first above written.

                                   "ADAC"

                                    ADAC LABORATORIES,
                                    a California corporation


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

                                            ---------------------------
                                            [Print name and title]


                                    the "Companies"

                                    SOUTHERN CATS, INC., a California 
                                    corporation

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

                                            ---------------------------
                                            [Print name and title]

                                    SPECIALIZED MEDICAL X-RAY, INC., a 
                                    California corporation

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

                                            ---------------------------
                                            [Print name and title]


                                    J&J MEDICAL IMAGING SYSTEMS, INC., 
                                    a California corporation


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

                                            ---------------------------
                                            [Print name and title]

                                    the "Shareholders"


                                            ---------------------------  
                                             Rick Stockton


                                            ---------------------------  
                                             Ed Manubay


                                            ---------------------------  
                                             James Karlen


                                            ---------------------------  
                                             Joseph Marino





<PAGE>

                                EXHIBIT 5.1


                             February 20, 1998





ADAC Laboratories
540 Alder Drive
Milpitas, California  95035

Gentlemen:

        I am the Vice President, General Counsel and Secretary of 
the Company and have acted as Company counsel in connection with the 
offering and proposed sale of up to 139,131 shares of the Company's 
Common Stock (the "Common Stock") to be offered by third parties 
pursuant to a Registration Statement on Form S-3 to be filed under 
the Securities Act of 1933, (the "Registration Statement").  In this 
connection I have examined: (a) the Company's Registration Statement; 
(b) the Company's Articles of Incorporation and Bylaws, as amended to 
date; (c) minutes of meetings of the Company's Board of Directors; 
and (d) such other proceedings, documents and records as we have 
deemed necessary to enable me to render this opinion.

        Based upon the foregoing, I am of the opinion that, when 
sold as contemplated by the Registration Statement, the shares of 
Common Stock covered by the Registration Statement will be validly 
issued, fully paid and nonassessable.

        I hereby consent to the use of this opinion as an exhibit 
to the Registration Statement and to the reference to me under the 
caption "Legal Matters" in the Prospectus included therein.





                              Karen L. Masterson
                              Vice President, General
                               Counsel and Secretary




<PAGE>     1


                              EXHIBIT 23.1



                      CONSENT OF INDEPENDENT ACCOUNTANTS


        We consent to the incorporation by reference in this registration 
statement of ADAC Laboratories on Form S-3 of our report dated 
November 4, 1997 on our audits of the consolidated financial 
statements and financial statement schedules of ADAC Laboratories as 
of September 28, 1997 and September 29, 1996, and for each of the 
three fiscal years in the period ended September 28, 1997 which 
report is included in the Company's Annual Report on Form 10-K for 
the fiscal year ended September 28, 1997.  We also consent to the 
reference to our firm under the caption "Experts."



                                        /s/ Coopers & Lybrand L.L.P.


San Jose, California
February 20, 1998




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