COMMODORE APPLIED TECHNOLOGIES INC
S-3, 1997-10-21
HAZARDOUS WASTE MANAGEMENT
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<PAGE>

    As filed with the Securities and Exchange Commission on October 21, 1997

                                                     Registration No. 333-
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

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

                                    FORM S-3
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933

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

                      Commodore Applied Technologies, Inc.
               (Exact name of issuer as specified in its charter)


            Delaware                                        11-3312952
 State or other jurisdiction of                          (I.R.S. Employer
 incorporation or organization)                         Identification No.)

                        150 East 58th Street, Suite 3400
                            New York, New York 10155
                                 (212) 308-5800
    (Address, Including Zip Code, and Telephone Number, Including Area Code,
                  of Registrant's Principal Executive Offices)

                                PAUL E. HANNESSON
          Chairman of the Board, President and Chief Executive Officer
                      Commodore Applied Technologies, Inc.
                        150 East 58th Street, Suite 3400
                            New York, New York 10155
                                 (212) 308-5800
       (Name, Address, Including Zip Code, and Telephone Number, Including
                        Area Code, of Agent For Service)

                          Copies of communications to:
                             STEPHEN A. WEISS, ESQ.
                            ANTHONY J. MARSICO, ESQ.
                            Greenberg Traurig Hoffman
                             Lipoff Rosen & Quentel
                              153 East 53rd Street
                            New York, New York 10022
                               Tel: (212) 801-9200
                               Fax: (212) 223-7161

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

     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, please check the following box
and list the Securities Act registration statement number of the 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. [ ]

                            -----------------------
<PAGE>
<TABLE>
<CAPTION>

                                                       CALCULATION OF REGISTRATION FEE
===================================================================================================================================
                                                                           Proposed             Proposed
                      Title of                        Amount                maximum              maximum               Amount of
            securities to be registered               to be             offering price          aggregate            registration
                                                  registered (1)           per share          offering price              fee
 ----------------------------------------------------------------------------------------------------------------------------------
<S>                                              <C>                        <C>                     <C>                   <C>      
 Common Stock, par value $0.001 per share        2,308,651(2)(3)         $4.47(4)            $10,319,669.97           $3,127.17
 ----------------------------------------------------------------------------------------------------------------------------------
 Common Stock, par value $0.001 per share          460,948(5)(6)         $4.47(4)             $2,060,437.56             $624.38
 ----------------------------------------------------------------------------------------------------------------------------------
 Common Stock, par value $0.001 per share          1,260,000(7)          $6.43(8)             $8,101,800.00           $2,455.09
 ----------------------------------------------------------------------------------------------------------------------------------
 Common Stock, par value $0.001 per share            824,889(9)          $4.47(4)             $3,687,253.83           $1,117.35
 ----------------------------------------------------------------------------------------------------------------------------------
 Common Stock, par value $0.001 per share             79,407(10)         $4.19(8)               $332,715.33             $100.82
 ==================================================================================================================================
            Total                                  4,933,895                                 $24,501,876.69           $7,424.81
 ==================================================================================================================================
</TABLE>

(1)  In the event of a stock split, stock dividend, or similar transaction
     involving the Common Stock of the Registrant, in order to prevent dilution,
     the number of shares of Common Stock registered hereby shall be
     automatically increased to cover the additional shares of Common Stock in
     accordance with Rule 416 under the Securities Act of 1933, as amended (the
     "Securities Act").

(2)  Represents the Registrant's good-faith estimate of the number of shares of
     Common Stock of the Registrant currently owned by Commodore Environmental
     Services, Inc. ("Environmental"), the parent of the Registrant, issuable
     upon conversion of 83,400 shares of Series D Convertible Preferred Stock,
     $.01 par value per share (the "Series D Preferred Stock"), of
     Environmental. The number of shares of Common Stock indicated assumes a
     Series D Preferred Stock conversion price of $3.6125 per share (based upon
     85% of the average of the low prices of the Common Stock on the American
     Stock Exchange ("AMEX") as reported by Bloomberg, L.P. for the five
     consecutive trading days immediately prior to October 15, 1997) and is
     subject to adjustment. The actual number of shares of Common Stock to be
     issuable upon conversion of the Series D Preferred Stock could be
     materially less or more than such estimated amount depending upon factors
     which cannot be predicted at this time, including, among others, the actual
     conversion price of the Series D Preferred Stock.

(3)  Pursuant to Rule 416, there are also registered hereby an indeterminate
     number of additional shares of Common Stock of the Registrant issuable by
     Environmental upon conversion of the Series D Preferred Stock resulting
     from the fluctuating conversion rate of the Series D Preferred Stock.

(4)  Estimated solely for the purpose of calculating the registration fee
     pursuant to Rule 457(c) under the Securities Act. Represents the average of
     the high and low prices (rounded to the nearest cent) reported for the
     Common Stock on AMEX on October 15, 1997.

(5)  Represents the Registrant's good-faith estimate of the number of shares of
     Common Stock of the Registrant issuable upon conversion of 18,000 shares of
     Series A Convertible Preferred Stock, $.001 par value per share (the
     "Series A Preferred Stock"), of the Registrant. The number of shares of
     Common Stock indicated assumes a Series A Preferred Stock conversion price
     of $3.905 per share (based upon 88% of the average of the last sale prices
     of the Common Stock on AMEX as reported by Bloomberg, L.P. for the five
     consecutive trading days immediately prior to October 15, 1997) and is
     subject to adjustment. The actual number of shares of Common Stock to be
     issuable upon conversion of the Series A Preferred Stock could be
     materially less or more than such estimated amount depending upon factors
     which cannot be predicted at this time, including, among others, the actual
     conversion price of the Series A Preferred Stock.


<PAGE>

(6)  Pursuant to Rule 416, there are also registered hereby an indeterminate
     number of additional shares of Common Stock of the Registrant issuable upon
     conversion of the Series A Preferred Stock resulting from the fluctuating
     conversion rate of the Series A Preferred Stock.

(7)  Represents shares of Common Stock of the Registrant currently owned by
     Environmental and issuable upon exercise of Common Stock Purchase Warrants
     issued by Environmental to the holders of the Series D Preferred Stock.

(8)  Estimated solely for the purpose of calculating the registration fee
     pursuant to Rule 457(g) under the Securities Act. Represents the weighted
     average exercise price per share (rounded to the nearest cent) at which the
     shares of Common Stock will be issued.

(9)  Includes: (a) 700,000 shares of Common Stock of the Registrant issued to  
     certain investors in connection with a Common Stock private placement by 
     the Registrant on October 2, and October 8, 1997 (the "Common Stock
     Private Placement"); and (b) 124,889 shares of Common Stock transferred by
     Environmental to certain investors upon conversion of an aggregate of 4,600
     shares of Series D Preferred Stock on September 29, and October 14, 1997.
     
(10) Represents shares of Common Stock of the Registrant issuable upon exercise
     of warrants issued to affiliates of the placement agents in connection with
     the sale of the Series A Preferred Stock and the Common Stock Private
     Placement. 

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

             The Registrant hereby amends this Registration Statement on such
date or dates as may be necessary to delay its effective date until the
Registrant shall file a further amendment which specifically states that this
Registration Statement shall thereafter become effective in accordance with
Section 8(a) of the Securities Act of 1933 or until the Registration Statement
shall become effective on such date as the Commission, acting pursuant to said
Section 8(a), may determine.



<PAGE>
Information contained herein is subject to completion or amendment. A
Registration Statement relating to these securities has been filed with the
Securities and Exchange Commission. These securities may not be sold nor may
offers to buy be accepted prior to the time the Registration Statement becomes
effective. This Prospectus shall not constitute an offer to sell or the
solicitation of an offer to buy nor shall there be any sale of these securities
in any state in which such offer, solicitation or sale would be unlawful prior
to registration or qualification under the securities laws of any such state.

                  Subject to Completion, dated October 21, 1997
PROSPECTUS
                                4,933,895 Shares

                      Commodore Applied Technologies, Inc.

                                  Common Stock

         This Prospectus relates to an aggregate of 4,933,895 shares (each, a
"Share" and collectively, the "Shares") of common stock, par value $0.001 per
share (the "Common Stock"), of Commodore Applied Technologies, Inc., a Delaware
corporation (the "Company"), which may be offered from time to time by or for
the accounts of the holders thereof (such holders being hereinafter described as
the "Selling Stockholders"). The number of Shares includes: (i) 2,308,651 Shares
(subject to adjustment) which may be transferred to certain Selling Stockholders
upon conversion of an aggregate of 83,400 shares of 7% Series D Convertible
Preferred Stock, par value $0.01 per share and liquidation preference of $100
per share (the "Series D Preferred Stock"), of Commodore Environmental Services,
Inc., a Delaware corporation and the owner of 66.6% of the outstanding shares of
Common Stock of the Company ("Environmental"); (ii) 1,260,000 Shares (subject to
adjustment) which may be transferred to certain Selling Stockholders upon
exercise of certain five-year common stock purchase warrants (the "Environmental
Warrants"), which were issued to the holders of the Series D Preferred Stock;
(iii) 460,948 Shares (subject to adjustment) which may be issued to certain
Selling Stockholders upon conversion of 18,000 shares of 7% Series A Convertible
Redeemable Preferred Stock, par value $0.001 per share and liquidation
preference of $100 per share (the "Series A Preferred Stock"), of the Company;
(iv) 700,000 Shares (the "Private Placement Shares") issued to certain investors
in connection with a private placement of Common Stock by the Company on October
2, and October 8, 1997 (the "Common Stock Private Placement"); (v) 79,407 Shares
(subject to adjustment) which may be issued to certain Selling Stockholders upon
exercise of certain five-year common stock purchase warrants (the "Company
Warrants"), which were issued to affiliates of the placement agents in
connection with the sale of the Series A Preferred Stock and the Common Stock
Private Placement; and (vi) 124,889 Shares transferred to certain investors upon
conversion of an aggregate of 4,600 shares of Series D Preferred Stock on
September 29, and October 14, 1997. The Shares which have been and may be
received by certain Selling Stockholders upon conversion of the Series D
Preferred Stock and upon exercise of the Environmental Warrants have been and
will be transferred to such Selling Stockholders from the account of
Environmental, which currently owns 14,875,111 shares of Common Stock of the
Company and warrants entitling Environmental to purchase an additional 8,500,000
shares of Common Stock. See "Selling Stockholders" and "Plan of Distribution."

         The number of Shares offered hereby includes the resale of such
presently indeterminable number of Shares as may be received by the Selling
Stockholders upon conversion of the Series D Preferred Stock and the Series A
Preferred Stock, and upon exercise of the Environmental Warrants and the Company
Warrants. The number of Shares indicated to be transferable by Environmental
upon conversion of the Series D Preferred Stock and offered for resale hereby is
an estimate that assumes a Series D Preferred Stock conversion price of $3.6125
per share (based upon 85% of the average of the low prices of the Common Stock
on the American Stock Exchange ("AMEX") as reported by Bloomberg, L.P.
("Bloomberg") for the five consecutive trading days immediately prior to October
15, 1997) and is subject to adjustment. The number of Shares indicated to be
issuable by the Company upon conversion of the Series A Preferred Stock and
offered for resale hereby is an estimate that assumes a Series A Preferred Stock
conversion price of $3.905 per share (based upon 88% of the average of the last
sale prices of the Common Stock on AMEX as reported by Bloomberg for the five
consecutive trading days immediately prior to October 15, 1997) and is also
subject to adjustment. The actual number of Shares to be received by the Selling
Stockholders upon conversion of the Series D Preferred Stock and the Series A
Preferred Stock could be materially less or more than such estimated amounts
depending upon factors which cannot be predicted at this time, including, among
others, the actual conversion prices of the Series D Preferred Stock and the
Series A Preferred Stock, and the decisions by the Selling Stockholders as to
when to convert such securities. This presentation is not intended to constitute
a prediction as to the future market price of the Common Stock or as to when
Selling Stockholders will elect to convert their shares of Series D Preferred
Stock or Series A Preferred Stock into Common Stock. See "Selling Stockholders"
and "Plan of Distribution."

         The Common Stock is traded on AMEX under the symbol "CXI." On October
15, 1997, the closing sale price of the Common Stock on AMEX was $4.375 per
share.

                                             (cover page continued on next page)
<PAGE>

         THE SECURITIES OFFERED HEREBY INVOLVE A HIGH DEGREE OF RISK. THE
COMPANY WILL NOT RECEIVE ANY PROCEEDS FROM THIS OFFERING. SEE "RISK FACTORS"
BEGINNING ON PAGE 13.

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

          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 date of this Prospectus is October , 1997.
<PAGE>
             The Series D Preferred Stock and the Environmental Warrants were
issued by Environmental, and the Series A Preferred Stock, the Private Placement
Shares and the Company Warrants were issued by the Company, in transactions
exempt from registration under the Securities Act of 1933, as amended (the
"Securities Act"), and applicable state securities laws. 60,000 shares of Series
D Preferred Stock and Environmental Warrants to purchase 750,000 Shares at an
exercise price of $7.14 per Share (subject to adjustment) were issued to three
investors in connection with a $6.0 million private placement by Environmental
consummated on May 20, 1997 (as amended on August 14, 1997). An additional
28,000 shares of Series D Preferred Stock and Environmental Warrants to purchase
425,000 Shares at an exercise price of $5.15 per Share (subject to adjustment)
were issued to three additional investors on August 18, 1997 in connection with
a $2.8 million private placement by Environmental. Affiliates of the placement
agent in connection with such private placements received Environmental Warrants
to purchase an aggregate of 85,000 Shares at exercise prices of $7.14 as to
60,000 Shares and $5.15 as to 25,000 Shares. 18,000 shares of Series A Preferred
Stock were issued to six investors in connection with a $1.8 million private
placement by the Company consummated on August 15, 1997. The placement agent in
connection with the sale of the Series A Preferred Stock received, among other
things, Company Warrants to purchase 19,407 Shares at $5.80 per Share. 700,000
Private Placement Shares were issued to five investors in connection with the
$2.6 million Common Stock Private Placement by the Company on October 2, and
October 8, 1997. Affiliates of the placement agent in connection with the Common
Stock Private Placement received Company Warrants to purchase 60,000 Shares at
$3.67 per Share. 41,599 Shares were transferred from the account of
Environmental to certain Selling Stockholders upon the conversion of 1,600
shares of Series D Preferred Stock on September 29, 1997. 83,290 Shares were
transferred from the account of Environmental to a Selling Stockholder upon the
conversion of 3,000 shares of Series D Preferred Stock on October 14, 1997. See
"Recent Developments," "Summary Financial Data," "Capitalization" and "Selling
Stockholders."

         The Series D Preferred Stock is convertible into Shares at a conversion
price per Share equal to 85% of the lower of (a) the average of the low prices,
or (b) the average of the closing bid prices of the Common Stock of the Company
as reported by Bloomberg for the previous five business days ending on the day
prior to conversion (the "Average Closing Bid Price"). The conversion price of
the Series D Preferred Stock will be equal to certain amounts set forth in the
Certificate of Designation for the Series D Preferred Stock if the Average
Closing Bid Price of the Common Stock, as reported by Bloomberg, for any
consecutive 30 days is equal to or less than $2.00, provided that in no event
will the conversion price of the Series D Preferred Stock be less than $1.50.
The Series A Preferred Stock is convertible into Shares at a conversion price
per Share equal to the lesser of (a) $4.64, or (b) 88% of the average of the
last sale price per share of the Common Stock on AMEX as reported by Bloomberg
for the five consecutive trading days immediately prior to the date of
conversion. Subject to customary anti-dilution provisions, the minimum
conversion price of the Series A Preferred Stock is $2.00 per Share, provided
that if the last sale price per share of the Common Stock on AMEX as reported by
Bloomberg is less than $2.00 for any 60 consecutive calendar days, the holders
of Series A Preferred Stock may, among other things, elect to convert their
shares of Series A Preferred Stock into Shares without regard to such minimum
$2.00 per Share price. If required, the actual number of Shares to be received
by the Selling Stockholders upon conversion of the Series D Preferred Stock and
Series A Preferred Stock and resold hereby will be reflected in a supplement to
this Prospectus following the conversion of such securities. See "Recent
Developments."

             The Shares may be sold from time to time by the Selling
Stockholders or their transferees. To the knowledge of the Company, no
underwriting arrangements have been entered into by the Selling Stockholders as
of the date hereof. The distribution of the Shares by the Selling Stockholders
may be effected in one or more transactions that may take place on AMEX,
including ordinary broker's transactions, privately negotiated transactions, or
through sales to one or more dealers for resale of such Shares as principals, at
prevailing market prices, or negotiated prices. Underwriting discounts and usual
and customary or specifically negotiated brokerage fees or commissions will be
paid by the Selling Stockholders in connection with the sale of the Shares. The
Selling Stockholders, and any broker-dealers, agents, or underwriters through
whom the Shares are sold, may be deemed "underwriters" within the meaning of the
Securities Act with respect to securities offered by them, and any profits
realized or commissions received by them may be deemed underwriting
compensation. See "Plan of Distribution."

             The Company will not receive any proceeds from the sale of the
Shares by the Selling Stockholders. See "Use of Proceeds." By agreement with the
Selling Stockholders, the Company will pay all of the expenses incurred in
connection with the registration of the Shares under the Securities Act (other
than agent's or underwriter's commissions and discounts), estimated to be
approximately $57,400. See "Plan of Distribution."



<PAGE>
NO PERSON IS AUTHORIZED IN CONNECTION WITH ANY OFFERING MADE HEREBY TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATION NOT CONTAINED OR INCORPORATED BY
REFERENCE IN THIS PROSPECTUS, AND ANY INFORMATION OR REPRESENTATION NOT
CONTAINED OR INCORPORATED HEREIN BY REFERENCE MUST NOT BE RELIED UPON AS HAVING
BEEN AUTHORIZED BY THE COMPANY, THE SELLING STOCKHOLDERS OR ANY OTHER PERSON.
THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL OR A SOLICITATION OF AN
OFFER TO BUY BY ANY PERSON IN ANY JURISDICTION IN WHICH IT IS UNLAWFUL FOR SUCH
PERSON TO MAKE SUCH AN OFFER OR SOLICITATION. NEITHER THE DELIVERY OF THIS
PROSPECTUS AT ANY TIME NOR ANY SALE MADE HEREUNDER SHALL UNDER ANY CIRCUMSTANCE
IMPLY THAT THE INFORMATION HEREIN IS CORRECT AS OF ANY DATE SUBSEQUENT TO THE
DATE HEREOF.
                                 --------------

                              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 and other information with
the Securities and Exchange Commission (the "Commission"). Reports, proxy
statements and other information filed by the Company may be inspected and
copied at the public reference facilities maintained by the Commission at
Judiciary Plaza, 450 Fifth Street, N.W., Room 1024, Washington, D.C. 20549, and
at the Commission's Regional Offices located at 7 World Trade Center, Suite
1300, New York, New York 10048, and at the Citicorp Center, 500 West Madison
Street, Suite 1400, Chicago, Illinois 60661. Copies of such material can also be
obtained at prescribed rates from the Public Reference Section of the Commission
at Judiciary Plaza, 450 Fifth Street, N.W., Washington, D.C. 20549.
Additionally, the Company files such reports, proxy statements and other
information with the Commission electronically via the Commission's EDGAR
system. The Commission maintains a Web site that contains reports, proxy
statements and other information regarding registrants that file electronically
with the Commission via the EDGAR system. The address of the Commission's Web
site is "http://www.sec.gov".

             The Common Stock is traded on AMEX under the symbol "CXI." Reports,
proxy statements and other information concerning the Company can also be
inspected at the offices of AMEX located at 86 Trinity Place, New York, New York
10006.

             The Company has filed with the Commission a registration statement
on Form S-3 (herein, together with all amendments and exhibits, referred to as
the "Registration Statement") under the Securities Act with respect to the
Common Stock offered hereby. 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 regarding the Company and the Common Stock offered hereby,
reference is hereby made to the Registration Statement and to the exhibits and
schedules filed therewith. The Registration Statement, including the exhibits
and schedules thereto, may be inspected at the public reference facilities
maintained by the Commission at Judiciary Plaza, 450 Fifth Street, N.W., Room
1024, Washington, D.C. 20549 and copies of all or any part thereof may be
obtained from such office upon payment of the prescribed fees.

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

                 INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

             The following documents heretofore filed by the Company with the
Commission (File No. 1-11871) pursuant to the Exchange Act are hereby
incorporated by reference in this Prospectus:

     (a)  The Company's Annual Report on Form 10-K for the year ended December
          31, 1996;

     (b)  The Company's Quarterly Reports on Form 10-Q for the quarters ended
          March 31, 1997 and June 30, 1997;

     (c)  The Company's Current Report on Form 8-K, dated January 22, 1997;

                                        1
<PAGE>

     (d)  Amendment No. 1 on Form 8-K/A to the Company's Current Report on Form
          8-K, dated January 22, 1997;

     (e)  The Company's Current Report on Form 8-K, dated August 15, 1997;

     (f)  The Company's definitive Proxy Statement, dated May 28, 1997, filed in
          connection with the Company's 1997 Annual Meeting of Stockholders held
          on June 17, 1997; and

     (g)  The description of the Company's Common Stock contained in its
          Registration Statement on Form 8-A, dated June 24, 1996, as amended by
          the Company's Registration Statement on Form 8-A/A, dated June 26,
          1997, including any other amendment or report filed for the purpose of
          updating such description.

             In addition, all documents filed by the Company pursuant to
Sections 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 Common Stock
hereby shall be deemed to be incorporated by reference into this Prospectus and
to be a part hereof from the respective dates of filing of such documents. Any
statement contained herein or in a document all or part of which is 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 subsequently filed document which also is or is
deemed to be incorporated by reference herein modifies or supersedes such
statement. 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, including
any beneficial owner, to whom this Prospectus is delivered, upon the written or
oral request of such person, a copy of any or all of the documents incorporated
herein by reference (other than exhibits to such documents unless such exhibits
are specifically incorporated by reference into the documents that this
Prospectus incorporates). Written requests for copies should be directed to
Michael D. Fullwood, Senior Vice President, Chief Financial and Administrative
Officer, Secretary and General Counsel, at the principal executive offices of
Commodore Applied Technologies, Inc., 150 East 58th Street, Suite 3400, New
York, New York 10155. Telephone requests may be directed to Mr. Fullwood at
(212) 308-5800.


                                       2
<PAGE>

                SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

             THE STATEMENTS CONTAINED IN THIS PROSPECTUS OR IN DOCUMENTS
INCORPORATED HEREIN BY REFERENCE THAT ARE NOT HISTORICAL FACTS, INCLUDING,
WITHOUT LIMITATION, IN PARTICULAR, STATEMENTS MADE (1) UNDER THE CAPTION
"MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF
OPERATIONS" IN THE COMPANY'S ANNUAL REPORTS ON FORM 10-K, IN THE COMPANY'S
QUARTERLY REPORTS ON FORM 10-Q AND IN ANY AMENDMENTS TO SUCH REPORTS AND (2) IN
THE COMPANY'S CURRENT REPORTS ON FORM 8-K AND IN ANY AMENDMENTS TO SUCH REPORTS,
MAY, IN SOME CASES, INCLUDE STATEMENTS OF FUTURE EXPECTATIONS, PROJECTIONS OF
REVENUE AND INCOME, STATEMENTS OF FUTURE ECONOMIC PERFORMANCE AND OTHER
"FORWARD-LOOKING" STATEMENTS (AS DEFINED IN THE PRIVATE SECURITIES LITIGATION
REFORM ACT OF 1995) THAT ARE SUBJECT TO IMPORTANT FACTORS THAT COULD CAUSE
ACTUAL RESULTS TO DIFFER MATERIALLY FROM THOSE IN ANY SUCH FORWARD-LOOKING
STATEMENTS. SUCH FACTORS INCLUDE, AMONG OTHERS, THE FOLLOWING: GENERAL ECONOMIC
AND BUSINESS CONDITIONS; COMPETITIVE FACTORS IN THE INDUSTRY, INCLUDING
ADDITIONAL COMPETITION FROM EXISTING COMPETITORS OR FUTURE ENTRANTS TO THE
INDUSTRY; SOCIAL AND ECONOMIC CONDITIONS; LOCAL, STATE AND FEDERAL REGULATIONS;
CHANGES IN BUSINESS STRATEGY OR DEVELOPMENT PLANS; THE AVAILABILITY, TERMS AND
DEPLOYMENT OF CAPITAL; THE AVAILABILITY OF QUALIFIED PERSONNEL; AND OTHER
FACTORS DETAILED HEREIN IN THE SECTION ENTITLED "RISK FACTORS," ELSEWHERE HEREIN
AND IN THE COMPANY'S OTHER COMMISSION FILINGS.


                                        3
<PAGE>
                                   THE COMPANY

             The following summary is qualified in its entirety by reference to,
and should be read in conjunction with, the more detailed information appearing
elsewhere in this prospectus or incorporated herein by reference. Investors
should also carefully consider the information set forth under the heading "Risk
Factors." As used herein, the term "Company" shall include Commodore Applied
Technologies, Inc. and its subsidiaries.

         The Company, through its four principal subsidiaries, is primarily
engaged in (i) the development and commercialization of a variety of
environmental technologies for the destruction of hazardous materials, (ii)
providing environmental, technical and remediation services, and (iii) the
separation and recovery of metals, organics and other chemical compounds.

o    Decontamination and Neutralization of Hazardous Materials. Commodore
     Advanced Sciences, Inc. ("CAS"), a wholly owned subsidiary of the Company,
     uses a patented non-thermal, portable and scalable process known as SET(TM)
     for treating and decontaminating soils and other materials and surfaces
     containing PCBs, pesticides, dioxins and other toxic contaminants to an
     extent sufficient to satisfy current federal environmental guidelines.
     Based on the results of laboratory testing, SET(TM) also appears capable of
     neutralizing substantially all known chemical weapons materials and warfare
     agents. On October 8, 1997, the U.S. Army announced that Teledyne-Commodore
     LLC, a fifty-fifty joint venture of Teledyne Environmental, Inc. and
     Commodore Government Environmental Technologies, Inc., had been named a
     finalist in the Alt Tech II program to select an alternative technology
     to incineration. Teledyne-Commodore LLC employes the SET(TM) technology.
     On March 15, 1996, the United States Environmental Protection
     Agency ("EPA") issued to the Company a Nationwide Permit for PCB Disposal,
     which allows CAS to use SET(TM) on-site to treat PCB-contaminated soils and
     metallic surfaces at any location in the United States. Based on currently
     published lists of EPA national operating permits, the Company believes
     that CAS possesses the only non-thermal PCB treatment technology for
     multiple applications permitted under the EPA's Alternate Destruction
     Technology Program. On April 3, 1996, the Company was selected by the U.S.
     Department of Commerce as one of nine companies to participate in the Rapid
     Commercialization Initiative ("RCI"), which is a component of the Clinton
     Administration's efforts to streamline the commercialization process for
     new environmental technologies, and to build cooperative interactions
     between businesses and government to bring environmental technologies to
     market more rapidly and efficiently. CAS is currently negotiating potential
     collaborative joint working and marketing arrangements with established
     engineering and environmental service organizations. CAS, through its
     wholly owned subsidiary Advanced Sciences, Inc. ("Advanced Sciences"),
     received a Notice of Award on October 1, 1997 of a subcontract to remediate
     mixed waste (a combination of radioactive and hazardous waste) at a U.S.
     Department of Energy ("DOE") facility at Weldon Spring, Missouri, utilizing
     the SET(TM) technology. The Notice of Award was made by the MK-Ferguson
     Group of Morrison Knudsen Corporation, the DOE's site contractor. This is
     the first award to the Company of a contract employing the SET(TM) 
     technology in the remediation of mixed waste. 

o    CFC Destruction, Separation and Recycling. Commodore CFC Technologies, Inc.
     ("CFC Technologies"), a wholly owned subsidiary of the Company, is applying
     certain environmental technologies to the destruction, separation and
     recycling of CFCs and other ozone-depleting substances. CFC Technologies
     received an exclusive, worldwide license from Environmental for the SET(TM)
     technology for use relating to destruction of refrigerants. CFC
     Technologies also owns a selective refrigerant destruction technology based
     on its aqueous process for which patents are pending. In addition to these
     technologies, CFC Technologies, through its wholly-owned subsidiary,
     Commodore Refrigerant Technologies, Inc. ("CORT"), has acquired an interest
     in a refrigerant separation technology owned by Climate Supply (Atlantic)
     Inc. ("Climate Supply"), a Canadian corporation located near Halifax, Nova
     Scotia. Climate Supply owns patented equipment and a patented process which
     separates refrigerants by the "fractional distillation" method. On
     September 1, 1996, CORT entered into a joint venture, known as CORTCLIMATE,
     with Climate Supply to pursue, with certain limited territorial exceptions,
     worldwide refrigerant destruction, selective destruction and separation
     based on the SET(TM) process, the aqueous technology and Climate Supply's
     fractional distillation technology. To date, CORTCLIMATE has entered into a
     series of agreements with certain companies throughout the world to
     establish refrigerant processing centers where used refrigerant can be
     destroyed, selectively destroyed or separated based on the SET(TM), aqueous
     and fractional distillation separation technologies.


                                       4
<PAGE>

o    Environmental, Technical and Remediation Services. Advanced Sciences, a
     wholly owned subsidiary of CAS, provides a full range of environmental,
     technical and remediation services, including identification,
     investigation, remediation and management of hazardous and mixed waste
     sites, to government agencies, including the DOE and U.S. Department of
     Defense ("DOD"), and to private-sector domestic and foreign industrial
     clients. Advanced Sciences offers alternative remediation approaches which
     may involve providing on-site waste containment or management of on-site/
     off-site remediation and waste removal. Advanced Sciences can also redesign
     ongoing production processes and develop engineering plans and technical
     specifications to minimize or eliminate the generation of hazardous waste.
     The Company believes that Advanced Sciences' integration of engineering and
     environmental skills, plus its access to innovative technologies, provide
     Advanced Sciences with a competitive advantage in redesigning production
     processes. Advanced Sciences has been awarded environmental support
     services contracts by the DOE and DOD that will be performed over the next
     several years and are valued at approximately $132 million. The Company
     intends to incorporate CAS' SET(TM) technology into the products and
     services offered by Advanced Sciences, with a view to increasing the
     quality and scope of services offered by Advanced Sciences and providing
     the Company with a broader customer base for the SET(TM) technology.

o    Separation and Recovery Technology. Commodore Separation Technologies, Inc.
     ("Separation"), an 87% owned subsidiary of the Company, has developed and
     intends to commercialize its separation technology and recovery system
     known as SLiM(TM) (Supported Liquid Membrane technology). Based on the
     results of more than 100 laboratory and other tests to date, the Company
     believes that SLiM(TM) can separate and recover chromium, cadmium, silver,
     mercury, platinum, lead, zinc, nickel, trichlorethylene, polychlorinated
     biphenyls, methylene chloride, amino acids, antibiotics, radionuclides, and
     other organic and inorganic targeted substances from liquid and gaseous
     feedstreams. In August 1996, Separation completed an on-site demonstration
     of SLiM(TM) for the decontamination of chromium-contaminated groundwater at
     the Port of Baltimore, Maryland. During this demonstration, an SLiM(TM)
     unit, in a single feedstream pass-through, reduced the contamination level
     of chromium from over 630 parts per million (ppm) to less than one ppm. The
     results of this test were verified by Artesian Laboratories, Inc., an
     independent testing laboratory. Separation has since completed additional
     on-site demonstrations of SLiM(T)M at the Port of Baltimore with similar
     results. Due to the success of such demonstrations, in February 1997 the
     State of Maryland informed Separation that it will recommend including the
     SLiM(TM) process as an eligible technology in the bid specifications to
     remediate the groundwater at the Port of Baltimore. In January 1997,
     Separation entered into a license agreement with Lockheed Martin Energy
     Research Corporation ("Lockheed Martin"), manager of the Oak Ridge National
     Laboratory, a U.S. Department of Energy national laboratory ("Oak Ridge"),
     pursuant to which Separation received the exclusive worldwide license,
     subject to a government use license, to use and develop the technology
     related to the separation of the radionuclides technetium and rhenium from
     mixed wastes containing radioactive materials. Separation is currently
     negotiating potential collaborative joint working and marketing
     arrangements with established engineering and environmental service
     organizations. However, neither Separation nor any of such joint working
     arrangements has been awarded any specific projects.

         The Company believes that its chemical processes and technologies offer
a safe, efficient and cost-effective alternative to traditional methods for the
separation, destruction and disposal of toxic substances, which can be utilized
in a wide variety of industrial, military and other applications. The Company is
currently in the process of introducing these processes and technologies on a
commercial scale. In July 1996, the Company completed an initial public offering
(the "Initial Public Offering") of Common Stock and Class A Warrants from which
it received net proceeds of approximately $30.5 million. In April 1997,
Separation completed an initial public offering of its equity securities from
which it received net proceeds of approximately $11.1 million.

         The Company was incorporated in the State of Delaware in March 1996,
and is a 66.6% owned subsidiary of Environmental. The principal executive
offices of the Company are located at 150 East 58th Street, Suite 3400, New
York, New York 10155, and its telephone number is (212) 308-5800.

                                       5
<PAGE>
                               RECENT DEVELOPMENTS

Sale of Series D Preferred Stock by Environmental

         On May 20, 1997, pursuant to 7% Preferred Stock Purchase Agreements
(the "Series D Purchase Agreements"), Environmental completed the sale to three
investors, for an aggregate purchase price of $6,000,000, of (i) 60,000 shares
of Series D Preferred Stock, and (ii) Environmental Warrants entitling the
holders to purchase from Environmental an aggregate of 600,000 Shares. In 
connection with an August 18, 1997 amendment to the May 20, 1997 Series D 
Purchase Agreements, Environmental Warrants entitling the holders to purchase 
from Environmental an additional 150,000 Shares were issued to the investors.

         On August 14, 1997, Environmental completed the sale to three
additional investors, for an aggregate purchase price of $2,800,000, of (i)
28,000 additional shares of Series D Preferred Stock, and (ii) Environmental
Warrants entitling the holders to purchase from Environmental an additional
425,000 Shares.

         The Series D Preferred Stock has a liquidation preference of $100 per
share (plus accumulated and unpaid dividends) (the "Liquidation Preference") and
pays a 7% per-annum cumulative dividend, payable, at Environmental's option, at
the time of conversion in cash or shares of Common Stock which are owned by
Environmental, at the Conversion Price (as defined). Environmental currently
owns 14,875,111 shares of Common Stock of the Company and will reserve from such
holdings a sufficient number of shares of Common Stock to permit the conversion
in full of the outstanding Series D Preferred Stock.

         The Series D Preferred Stock may be converted by the holders at any
time or from time to time at the Conversion Price (as defined). However, each
holder of Series D Preferred Stock may not convert more than 20% of its shares
of Series D Preferred Stock in any one month, subject to the right to accumulate
conversions so that any shares of Series D Preferred Stock not converted in any
one calendar month may be accumulated with the number of convertible shares of
Series D Preferred Stock in the next calendar month.

         The Series D Preferred Stock is convertible by the holders into that
number of Shares equal to the Liquidation Preference divided by the Conversion
Price. The Conversion Price is defined to mean an amount equal to a 15% discount
from the lower of (i) the average of the low prices, or (ii) the Average Closing
Bid Price of the Common Stock as reported by Bloomberg for the previous five
business days ending on the day before the Conversion Date (as defined). The
Conversion Price will be equal to certain amounts set forth in the Certificate
of Designation for the Series D Preferred Stock if the Average Closing Bid Price
of the Common Stock, as reported by Bloomberg, for any consecutive 30 days is
equal to or less than $2.00; provided, however, that in no event will the
Conversion Price be less than $1.50. In the event that the Common Stock is not
traded on AMEX, the Average Closing Bid Price will be based on the average
closing bid price (or, if not available, the mean of the high and low price) of
such Common Stock on the over-the-counter market or the principal national
securities exchange or the Nasdaq National Market or Nasdaq SmallCap Market
system on which the Common Stock then trades.

         The Environmental Warrants entitle the registered holders thereof to
purchase an aggregate of 1,260,000 Shares owned by Environmental. The
Environmental Warrants to purchase an aggregate of 750,000 Shares issued to the
investors in connection with the May 20, 1997 sale, as amended, are exercisable
at an initial exercise price equal to $7.14 per Share. The Environmental
Warrants to purchase 425,000 Shares issued to the investors in 
connection with the August 14, 1997 sale transaction are exercisable at an
initial exercise price of $5.15 per Share. Such exercise prices are (in addition
to customary anti-dilution adjustments) subject to reset on August 18, 1998 to
an exercise price equal to the lesser of (i) the exercise price in effect
immediately prior to August 18, 1998, or (ii) 110% of the closing bid price of
the Common Stock on August 17, 1998. In addition, if the Common Stock trades at
less than 50% of the August 17, 1998 closing bid price for any 10 consecutive
trading days, the exercise price is subject to further reset (on one occasion
only) to 50% of such August 17, 1998 closing bid price. The above reset
provisions terminate in the event that the Common Stock trades at $10.00 or more
at any time after 90 days from the date of this Prospectus.

                                       6
<PAGE>
         The transactions described above were deemed exempt from registration
under the Securities Act as transactions by an issuer not involving any public
offering. The recipients of the Series D Preferred Stock and the Environmental
Warrants in connection with the foregoing transactions represented their
intentions to acquire such securities for investment only and not with a view to
or for sale in connection with any distribution thereof, and appropriate legends
were contained in the Environmental Warrants and affixed to the share
certificates representing the Series D Preferred Stock. Environmental engaged
Avalon Research Group, Inc. as a finder in connection with the sale of the
Series D Preferred Stock and the Environmental Warrants. Such firm received fees
aggregating $792,000 and, together with other transaction costs of approximately
$176,000, Environmental received aggregate net proceeds of approximately $7.8
million from the sale of the Series D Preferred Stock and Environmental
Warrants. In addition to its commissions, affiliates of Avalon Research Group,
Inc. received Environmental Warrants to purchase an aggregate of 85,000 Shares
at exercise prices of $7.14 as to 60,000 Shares and $5.15 as to 25,000 Shares.

         On September 29, 1997, two investors elected to convert 20% of their
Series D Preferred Stock (a total of 1,600 shares of Series D Preferred Stock)
into Common Stock. Such conversion resulted in the transfer by Environmental of
41,599 shares of its Common Stock to such investors. On October 14, 1997, one
additional investor elected to convert 3,000 shares of Series D Preferred Stock
into Common Stock, resulting in the transfer by Environmental of 83,290 shares
of its Common Stock to such investor.

         If conversion of all of the remaining shares of Series D Preferred
Stock were to occur at the lowest possible Conversion Price, the 83,400 shares
of Series D Preferred Stock would convert to approximately 5,560,000 of the
14,875,111 shares of Common Stock currently owned by Environmental. Such
conversion would not cause any increase in the number of outstanding shares of
Common Stock.

Sale of Company Series A Preferred Stock

         On August 15, 1997, pursuant to a Series A Convertible Preferred Stock
Purchase Agreement (the "Series A Purchase Agreement"), the Company completed
the sale to six investors, for an aggregate purchase price of $1,800,000, of
18,000 shares of newly-created Series A Preferred Stock of the Company.

         The Series A Preferred Stock has a liquidation preference of $100 per
share (plus accumulated and unpaid dividends) (the "Liquidation Preference") and
pays a 7% per-annum cumulative dividend, payable, at the Company's option, at
the time of conversion in cash or shares of Common Stock at the Conversion Price
(as defined). The Series A Preferred Stock ranks prior to all other classes of
equity securities of the Company, including Common Stock, as to distributions of
assets upon liquidation, dissolution or winding up of the Company, whether
voluntary or involuntary.

         The Series A Preferred Stock has separate class voting rights as to
matters affecting such securities (which requires the consent or approval of
holders of 66-2/3% of the Series A Preferred Stock), and votes together with
holders of Common Stock on all matters requiring stockholder approval on an "as
converted" basis, as though such shares of Series A Preferred Stock had been
converted into Common Stock on the record date used to determine Company Common
Stock entitled to vote on such transaction or matter.

         The Series A Preferred Stock may be converted by the holders thereof at
any time or from time to time at the Conversion Price (as defined). However,
prior to July 31, 1999, each holder of Series A Preferred Stock may not convert
more than 20% of his or her shares of Series A Preferred Stock in any one month,
subject to the right to accumulate conversions so that any shares of Series A
Preferred Stock not converted in any one calendar month may be accumulated with
the number of convertible shares of Series A Preferred Stock in the next
calendar month. To the extent not converted voluntarily, as of August 1, 1999
all remaining shares of Series A Preferred Stock will be automatically converted
into Shares at the Conversion Price then in effect.

         The Series A Preferred Stock is convertible by the holders thereof into
that number of Shares equal to the Liquidation Preference divided by the
Conversion Price. The Conversion Price is defined to mean an amount equal to the
lesser of 100% of the Average Share Price (as defined) for the five consecutive
trading days preceding the August 15, 1997 issuance date of the Series A
Preferred Stock, or (ii) 88% of the Average Share Price for the five consecutive
trading days immediately prior to the Conversion Date 

                                       7
<PAGE>

(as defined). Subject to customary anti-dilution provisions, the minimum
conversion price is $2.00 per Share; provided, that if the Average Share Price
(defined as the last sale price per share of the Company's Common Stock reported
by Bloomberg on AMEX or any other exchange on which such stock trades for the
applicable number of consecutive trading days) is less than $2.00 for any 60
consecutive calendar days, the holders of the Series A Preferred Stock may
either demand mandatory redemption of such Series A Preferred Stock (at $100 per
share plus accrued and unpaid dividends) or convert their shares of Series A
Preferred Stock into Shares without regard to such minimum $2.00 per Share
price.

         If conversion of all shares of Series A Preferred Stock were to occur
based upon the Average Share Price on August 15, 1997 of $4.64, the 18,000
shares would convert to 388,000 Shares, representing approximately 1.7% of the
total Common Stock outstanding. If conversion of all Series A Preferred Stock
were to occur based upon a minimum Conversion Price of $2.00 per Share, the
18,000 shares would convert to 900,000 Shares, representing approximately 4.0%
of the total Common Stock outstanding.

         So long as the Shares issuable upon conversion of the Series A
Preferred Stock are subject to a current registration statement under the
Securities Act , the Company has the right to voluntarily redeem the shares of
Series A Preferred Stock on not more than 60 and not less than 15 days prior
notice, at a redemption price equal to the sum of $100 per share, plus accrued
and unpaid dividends, and a redemption premium designed to provide the investor
with a 12% annual yield on its shares of Series A Preferred Stock.

         The Series A Preferred Stock is subject to mandatory redemption at $100
per share plus accrued and unpaid dividends upon the occurrence of certain
events, including (i) the Average Share Price for any 60 consecutive days shall
be less than $2.00, (ii) the Common Stock is not listed on any exchange or
over-the-counter market for 15 consecutive trading days, or (iii) the Company is
required to obtain stockholder approval under AMEX or other stock exchange
regulations in order to issue shares of Common Stock upon conversion of the
Series A Preferred Stock and fails to obtain such requisite stockholder approval
within 90 calendar days.

         Pacific Continental Securities Corp. acted as placement agent in
connection with the sale of the Series A Preferred Stock and received $117,000
as compensation therefor, as well as Company Warrants expiring on August 15,
2002 entitling the placement agent to purchase 19,407 Shares at $5.80 per
Share.
        
         The above transaction was deemed exempt from registration under the
Securities Act as a transaction by an issuer not involving any public offering.
The recipients of the Series A Preferred Stock represented their intentions to
acquire such securities for investment only and not with a view to or for sale
in connection with any distribution thereof, and appropriate legends were
affixed to the certificates representing the shares of Series A Preferred Stock.

         Environmental and the Company have agreed to pay certain penalties to
the holders of the Series D Preferred Stock and the Series A Preferred Stock in
the event that the Company shall fail by certain specified dates to cause to
become effective under the Securities Act a registration statement on Form S-3,
or other applicable form of registration statement, covering all Shares issuable
upon (a) conversion of all shares of Series D Preferred Stock, (b) exercise of
all Environmental Warrants, and (c) conversion of all shares of Series A
Preferred Stock. Upon the effective date of the Registration Statement of which
this Prospectus is a part, no such penalties are payable by either Environmental
or the Company.

Sale of 700,000 Private Placement Shares

         On October 2, 1997, the Company completed the Sale of 600,000
Private Placement Shares to four investors for an aggregate purchase price of
$2,205,000. Pursuant to stock purchase agreements, dated September 26, 1997 (the
"Common Stock Purchase Agreements"), by and between the Company and each of four
private investors, if, during the twelve-month period following October 2,
1997 (the "Anniversary Period"), the Company shall (i) sell any shares of Common
Stock, (ii) issue any security convertible into or exercisable for Common
Stock, or (iii) issue any shares of Common Stock during such Anniversary Period
(but not 

                                       8
<PAGE>

thereafter) upon conversion of its currently outstanding Series A Preferred
Stock, in each case, for a selling price, conversion price or exercise price per
share which shall be lower than the $3.675 per share purchase price of the
600,000 Private Placement Shares (such lower price being the "Reset Price"), the
$3.675 per share purchase price will be adjusted downward at the end of the
Anniversary Period so as to equal the Reset Price. The lowest selling price,
conversion price or exercise price per share at which the Company issues Common
Stock or securities convertible or exercisable into Common Stock during the
Anniversary Period will determine the applicable Reset Price, except that (a)
the lowest sales, exercise or conversion prices associated with issuance by the
Company of up to 10,000 shares of Common Stock, and (b) the transfer of Shares
by Environmental upon conversion of outstanding shares of Series D Preferred
Stock or upon exercise of outstanding Environmental Warrants shall be excluded
in determining the Reset Price.

         On October 8, 1997, the Company completed the sale of an additional
100,000 Private Placement Shares to one additional investor for an aggregate
purchase price of $393,125. The Stock Purchase Agreement in connection with such
sale contains terms identical to those contained in the Stock Purchase
Agreements in connection with the Sale of the 600,000 Private Placement Shares,
except that the Anniversary Period is defined to mean the twelve-month period
following October 8, 1997, and the Reset Price is calculated based on a purchase
price of $3.93125 per Private Placement Share.

         Cappello Capital Corp. acted as placement agent in connection with the
Common Stock Private Placement and received $209,475 in compensation therefor.
Affiliates of the placement agent received Company Warrants expiring September
30, 2002 to purchase an aggregate of 60,000 Shares at $3.67 per share.

         The Company has granted certain "demand" and "piggyback" registration
rights to the investors in the Common Stock Private Placement and has agreed to
pay certain penalties to such investors in the event that the Company shall fail
by certain specified dates to cause to become effective under the Securities Act
a registration statement on Form S-3 covering the Private Placement Shares held
by such investors, and the Shares underlying the Company Warrants.

         The above transaction was deemed exempt from registration under the
Securities Act, as a transaction by an issuer not involving any public offering.
The recipients of the Private Placement Shares represented their intentions to
acquire such securities for investment only and not with a view to or for sale
in connection with any distribution thereof, and appropriate legends were
affixed to the certificates representing the Private Placement Shares.

         The Company received aggregate net proceeds of approximately $4.0
million from the sale of the Series A Preferred Stock and the Private Placement
Shares.

Convertible Loan from Environmental to the Company

         On September 23, 1997, Environmental provided the Company with a
$4,000,000 unsecured loan, evidenced by the Company's 8% convertible
subordinated note due August 31, 2002 (the "Convertible Loan").

         Pursuant to the terms of such note, the Company is obligated to pay
Environmental interest only at the rate of 8% per annum, payable quarterly on
the last day of December, March, June and September. Unless converted into
Common Stock, the unpaid principal amount of the note is due and payable,
together with accrued and unpaid interest, on the 2002 maturity date.

         The Company may at its option prepay the note at any time or from time
to time, without premium or penalty, upon 30 days advance written notice. Such
right of prepayment is subject to Environmental's right to convert the note into
Common Stock prior to the date fixed for prepayment. Payments of principal and
accrued interest under the Company note is fully subject and subordinated to all
other indebtedness for money borrowed of the Company.

                                        9
<PAGE>

         Environmental has the right to convert the note into shares of Common
Stock at a conversion price of $3.89 per share (one full share of Common Stock
for each $3.89 principal amount of the note so converted). Such conversion price
was fixed at approximately 85% of the five-day average closing bid price of
Common Stock ($4.575 per share) as traded on AMEX for the five trading days
prior to August 22, 1997, the date that the executive committees of the
respective boards of directors of each of Environmental and the Company
authorized the Convertible Loan.

         In consideration of the Convertible Loan, Environmental received
warrants expiring August 31, 2002 to purchase 1,000,000 shares of Common Stock
at an exercise price of $5.0325 per share (approximately 110% of the $4.575
five-day average closing bid price of Common Stock through August 22, 1997).
Such exercise price is subject to customary anti-dilution adjustments.

         With the proceeds from the sale of the Series A Preferred Stock and the
Private Placement Shares, and the proceeds from the Convertible Loan, the
Company believes that it has sufficient cash reserves to meet expenses incurred
in the ordinary course of business until the third quarter of 1998. The
foregoing does not, however, include funds that may be required to finance
capital equipment or acquisition opportunities which may arise in the future.
Although the Company believes that funds will be available for such purposes and
that it will secure sufficient commercial business to achieve operating profits
in the second half of 1998, there is no assurance that this will be the case or
that the Company will ever be able to achieve profitability.



                                       10

<PAGE>
                             Summary Financial Data
                     (in thousands, except per share data)

The summary financial data included in the following table as of December 31,
1995 and 1996 and for the years ended December 31, 1994, 1995 and 1996 are
derived from the Consolidated Financial Statements included in the Company's
Annual Report on Form 10-K for the year ended December 31, 1996, incorporated by
reference herein. The summary financial data as of June 30, 1997 and for the six
months ended June 30, 1996 and 1997 are derived from the unaudited Consolidated
Financial Statements included in the Company's Quarterly Report on Form 10-Q for
the quarter ended June 30, 1997, incorporated by reference herein. Financial
data for the year ended December 31, 1996 and for the six months ended June 30,
1997 are not necessarily indicative of the results of operations to be expected
in the future. The summary financial data should be read in conjunction with the
Consolidated Financial Statements referenced above.

Consolidated Statement of Operations Data:
<TABLE>
<CAPTION>
                                                                                   Six months ended
                                                Year ended December 31,                June 30,
                                                -----------------------           ------------------
                                                1994      1995    1996             1996      1997
                                                ----      ----    ----             ----      ----
<S>                                             <C>       <C>      <C>              <C>       <C>
Revenue:
  Contract revenue                             $ --       $--     $ 5,123          $    14   $ 9,819

Cost of sales:
  Cost of sales                                  --        --       4,136              --      8,019
  Research and development                      380       1,815     2,364              954     1,433
  General and administrative                   1,369      1,773     3,412              691     6,114
  Amortization                                   --        --         219              --        482
  Minority interests                             --        --         --               --       (228)
  Write-off of in-process technology           2,424       --         --               --        --
                                              ------      ------    -------        -------    ------

Loss from operations                          (4,173)    (3,588)   (5,008)          (1,631)   (6,001)

  Interest income                                  7          6       477                4       320
  Interest expense                              (551)      (274)     (617)            (369)     (300)
  Income taxes                                   --         --        --               --         (2)
  Equity in net losses of subsidiary             --         --       (495)             --       (954)
                                              ------      ------    --------        -------    ------

Net loss                                     $(4,717)   $(3,856)  $(5,643)        $ (1,996)  $ (6,937)
                                             ========   ========  ========        =========  =========

Net loss per share                           $ (0.31)   $ (0.26)  $ (0.31)        $  (0.13)  $  (0.33)
                                             =======    =======   ========        =========  =========

Weighted average number of shares             15,000     15,000    18,100           15,082     21,650
Pro forma information (1):
  Net loss (2)                                                   $ (6,888)                   $ (7,197)
  Preferred dividends (3)                                            (342)                        (63)
                                                                 ---------                   ---------
  Net loss attributable to common stockholders                   $ (7,230)                   $ (7,260)
                                                                 =========                   =========
  Weighted average number of shares outstanding (4)                18,800                      22,350
                                                                 =========                   =========
  Net loss per share                                             $  (0.38)                   $  (0.33)
                                                                 =========                   =========
</TABLE>

Consolidated Balance Sheet Data:
<TABLE>
<CAPTION>
                                                              December 31,         June 30, 1997
                                                           ----------------     ---------------------
                                                                                           Pro Forma
                                                                                              As
                                                            1995     1996       Actual    Adjusted (5)
                                                            ----     ----       ------    ------------
<S>                                                          <C>      <C>         <C>        <C>
Cash and cash equivalents                                   $    4   $ 4,617    $ 1,434    $   9,581  
Temporary investments                                         --       7,459     13,197       13,197
Total assets                                                 1,091    33,456     32,602       40,749  
Long term debt                                                --         118         95        2,825 (6)
Total liabilities                                            9,633    13,380      8,743       11,473
Minority interests                                            --         --       5,479        5,479
Redeemable securities                                         --         --         --         3,931 (7)
Stockholders' equity                                        (8,542)   20,076     18,380       19,866 (8)
</TABLE>
                                       11
<PAGE>


(1) Gives effect to the sale of the Series A Preferred Stock, the sale of
    700,000 Private Placement Shares, and the Convertible Loan from
    Environmental to the Company as described herein as if such transactions had
    occurred on January 1, 1996. Management has estimated the fair values of the
    warrants issued in connection with the Convertible Loan from Environmental
    and the beneficial conversion feature associated with the sale of Series A
    Preferred Stock. Management is in the process of engaging an expert in the
    field of valuations to determine the actual fair values of these items.

(2) Includes pro forma interest expense for the year ended December 31, 1996 of
    $320 of cash to be paid and estimated amounts for (a) the beneficial
    conversion feature of $750 immediately recognized and (b) the discount
    amortization of $175 on the Convertible Loan from Environmental. Includes
    pro forma interest expense for the six months ended June 30, 1997 of $160
    cash to be paid and $100 of estimated discount amortization on the
    Convertible Loan from Environmental, based on the assumption in (1).

(3) Pro forma preferred dividends represent the 7% dividend rate on the Series A
    Preferred Stock plus the amortization of the beneficial conversion feature
    based on the assumption in (1).

(4) Pro forma weighted average shares outstanding include the 600,000 Private
    Placement Shares issued on October 2, 1997 and the 100,000 Private
    Placement Shares issued on October 8, 1997, based on the assumption in (1).
    Pro forma weighted average shares outstanding does not assume conversion of
    any options, warrants, or other securities as such conversion would have an
    antidilutive effect.

(5) Gives effect to the sale of the Series A Preferred Stock, the sale of
    700,000 Private Placement Shares, and the Convertible Loan from
    Environmental to the Company as described herein as if such transactions had
    occurred on June 30, 1997. Management has estimated the fair values of the
    warrants issued in connection with the Convertible Loan from Environmental
    and the beneficial conversion feature associated with the sale of Series A
    Preferred Stock. Management is in the process of engaging an expert in the
    field of valuations to determine the actual fair values of these items.

(6) Includes the $4,000 face amount of the Convertible Loan from Environmental
    to the Company, less the estimated $1,270 discount on the loan.

(7) Represents the estimated fair value of the Series A Preferred Stock at the
    time of issuance and the proceeds from the sale of 700,000 Private Placement
    Shares. The estimated fair value of the Series A Preferred Stock is
    calculated as the $1,800 face amount of the securities less the estimated
    value of the beneficial conversion feature, $216. The price reset feature
    associated with the sale of 700,000 Private Placement Shares contains
    certain provisions which may require the refund of a portion of the cash
    proceeds from the sale. Accordingly, this security has been classified as a
    redeemable security until such time as the reset feature lapses.

(8) Includes the $1,270 estimated value of the warrant associated with the
    Convertible Loan from Environmental, and the $216 and $750 estimated values
    of the beneficial conversion features related to the sale of the Series A
    Preferred Stock and the Convertible Loan from Environmental, respectively,
    offset by the immediate recognition of interest expense related to the
    estimated value of the beneficial conversion feature of the Convertible Loan
    from Environmental.

                                       12
<PAGE>
                                  RISK FACTORS

             The securities offered hereby are highly speculative in nature and
involve a high degree of risk. Prior to making an investment decision,
prospective investors in the Shares offered hereby should give careful
consideration to the information set forth in this Prospectus or incorporated
by reference herein and, in particular, should evaluate the risk factors set
forth below.

Limited Operating History; History of Losses; Future Losses;
Initial Commercialization Stage

             The Company's limited operating history has consisted primarily of
development of SET(TM) and remediation equipment, conducting laboratory tests,
and planning on-site tests and demonstrations. The Company is subject to all of
the business risks associated with a new enterprise, including, but not limited
to, risks of unforeseen capital requirements, failure of market acceptance,
failure to establish business relationships, and competitive disadvantages as
against larger and more established companies. For the fiscal year ended
December 31, 1996, the Company had total revenues of $5,123,000 and a net loss
of $5,643,000, compared to total revenues of $0 and a net loss of $3,856,000 for
the fiscal year ended December 31, 1995. For the six months ended June 30, 1997,
the Company had total revenues of $9,819,000 and a net loss of $6,937,000,
compared to total revenues of $14,000 and a net loss of $1,996,000 for the six
months ended June 30, 1996. At December 31, 1996, the Company had stockholders'
equity of $20,076,000, and working capital of $8,991,000, compared to an
accumulated stockholders' deficit of $8,542,000 and a working capital deficit of
$9,200,000 at December 31, 1995. At June 30, 1997, the Company had stockholders'
equity of $18,380,000, and working capital of $12,169,000.

             The Company anticipates that it will continue to incur significant
operating losses through 1997 and may incur additional losses thereafter,
depending upon its ability to consummate collaborative working arrangements or
licenses with third parties and the operation and financial success of any
environmental projects which the Company and its potential working partners may
be awarded. Other than revenues generated by Advanced Sciences, which the
Company acquired effective October 1, 1996, the Company has generated nominal
revenues to date, and there can be no assurance as to whether or when it will
generate material revenues or achieve profitable operations.

SET(TM) and SLiM(TM) Unproven on Large-Scale Commercial Basis

             SET(TM) and SLiM(TM) have never been utilized on a large-scale
basis, and there can be no assurance that such technologies will perform
successfully on a large-scale commercial basis or that they will be profitable
to the Company. The Company has never utilized SET(TM) and SLiM(TM) under the
conditions and in the volumes that will be required to be profitable and cannot
predict all of the difficulties that may arise. In addition, most of the results
of the tests conducted by the Company on SET(TM) and SLiM(TM) have not been
verified by an independent testing laboratory. Thus, it is possible that the
Company's SET(TM) and SLiM(TM) technologies may require further research,
development, design and testing, as well as regulatory clearances, prior to
larger-scale commercialization. Additionally, the Company's ability to operate
its business successfully will depend on a variety of factors, many of which are
outside the Company's control, including competition, cost and availability of
supplies, changes in governmental initiatives and requirements, changes in EPA
and other regulatory requirements, and the costs associated with equipment
repair and maintenance.

No Assurance of Collaborative Agreements, Licenses or Project Contracts

             The Company's business strategy is based upon entering into
collaborative joint working arrangements with established engineering and
environmental companies, or formal joint venture agreements relative to the
application of SET(TM) and SLiM(TM) as enabling technologies for specified
industries or markets. To date, only Advanced Sciences and its collaborative
joint working partners have been awarded material project contracts. There can
be no assurance that the Company will enter into any definitive joint project
arrangements or joint venture collaborative agreements with its prospective
working partners or others, or that such agreements, if entered into, will be on
terms and conditions that are sufficiently attractive to the Company to enable
it to generate profits. In the event the Company is unable to enter into
commercially attractive collaborative working arrangements for one or more
commercial or industrial remediation projects, in order to produce revenues for
the Company, it may be necessary to license SET(TM) and/or SLiM(TM) to
unaffiliated third parties. There is no assurance that the Company will be able
to enter into such license arrangements or that such licenses will produce any
income to the

                                       13
<PAGE>

Company. Even if the Company is able to complete additional joint working
arrangements, there is no assurance that the Company and its working partners
will be awarded contracts to perform decontamination or remediation projects.
Even if such contracts are awarded, there is no assurance that these contracts
will be profitable to the Company. In addition, any project contract which may
be awarded to the Company and/or any of its joint working partners may be
curtailed, delayed, redirected or eliminated at any time. Problems experienced
on any specific project, or delays in the implementation and funding of
projects, could materially adversely affect the Company's business and financial
condition.

Uncertainty of Market Acceptance

             Many prospective users of SET(TM) have already committed
substantial resources to other forms of environmental remediation technology,
including incineration, plasma arc, vitrification, molten metal, molten salt,
chemical neutralization, catalytic electrochemical oxidation and supercritical
wet oxidation. In addition, many prospective users of SLiM(TM) have committed
substantial resources to other forms of process stream treatments or
technologies. The Company's growth and future financial performance will depend
on demonstrating to prospective collaborative partners and users the advantages
of SET(TM), SLiM(TM) and the Company's other environmental technologies over
alternative technologies. There can be no assurance that the Company and its
prospective collaborative partners will be successful in this effort.
Furthermore, it is possible that competing alternatives may be perceived to
have, or may actually have, certain advantages over SET(TM), SLiM(TM) and/or the
Company's other environmental technologies for certain industries or
applications.

Risk of Environmental Liability

             The Company's operations, as well as the use of the specialized
technical equipment by its customers, are subject to numerous federal, state and
local regulations relating to the storage, handling, emission and transportation
of certain regulated materials. There is always the risk that such materials
might be mishandled, or that there might be equipment or technology failures,
which could result in significant claims against the Company. Any such claims
against the Company could materially adversely affect the Company's business,
financial condition and results of operations.

             As SET(TM), SLiM(TM) and the Company's other environmental
technologies are commercialized, the Company may be required to obtain
environmental liability insurance in the future in amounts greater than those it
currently maintains. There can be no assurance that such insurance will provide
coverage against all claims, and claims may be made against the Company (even if
covered by the Company's insurance policy) for amounts substantially in excess
of applicable policy limits. Any such event could have a material adverse effect
on the Company's business, financial condition and results of operations.

Potential Need for Additional Financing

             In July 1996, the Company completed the Initial Public Offering,
from which it received net proceeds of approximately $30.5 million. In April
1997, Separation completed an initial public offering of its equity securities,
from which it received net proceeds of approximately $11.1 million. In August
and October 1997, the Company completed the private placement of 18,000 shares
of Series A Preferred Stock and the Common Stock Private Placement of 700,000
Private Placement Shares, respectively, from which the Company received
aggregate net proceeds of approximately $4.0 million. In addition, in September
1997, the Company received the $4.0 million Convertible Loan from Environmental.

             Prior to such financings, financing for all of the Company's
activities had been provided in the form of direct equity investments and loans
by Environmental. While the Company believes that it has sufficient cash
reserves to meet expenses incurred in the ordinary course of business until the
third quarter of 1998, the Company's future capital requirements will depend on
certain factors, many of which are not within the Company's control. These
include the ongoing development and testing of SET(TM), SLiM(TM) and the
Company's other environmental technologies; the nature and timing of remediation
and clean-up projects and permits required; and the availability of financing.

                                       14
<PAGE>

             In the environmental remediation market, the Company may not be
able to enter into favorable business collaborations and might thus be required
to bid upon projects for its own account. If such bids were successful, the
Company would be required to make significant expenditures on personnel and
capital equipment which would require significant financing in amounts
substantially in excess of the net proceeds of the above financings. In
addition, the Company's lack of operational experience and limited capital
resources could make it difficult, if not highly unlikely, to successfully bid
on major reclamation or clean-up projects. In such event, the Company's business
development could be limited to remediation of smaller commercial and industrial
sites with significantly lower potential for profit.

             In addition, the expansion of the Company's business will require
the commitment of significant capital resources toward the hiring of technical
and operational support personnel, the development of a manufacturing and
testing facility for SET(TM) and SLiM(TM) equipment, and the building of
equipment to be used both for on-site test demonstrations and the remediation of
contaminated elements. In the event the Company is presented with one or more
significant reclamation or clean-up projects, individually or in conjunction
with collaborative working partners, it may require additional capital to take
advantage of such opportunities. There can be no assurance that such financing
will be available or, if available, that it will be on favorable terms. If
adequate financing is not available, the Company may be required to delay, scale
back or eliminate certain of its research and development programs, to
relinquish rights to certain of its technologies, or to license third parties to
commercialize technologies that the Company would otherwise seek to develop
itself.

Competition and Technological Alternatives

             The Company anticipates that the primary markets for its
technologies will be for hazardous and toxic waste and industrial by-products
treatment and disposal, the destruction or neutralization of chemical weapons
materials and warfare agents, and the concentration of radioactive wastes. The
Company has had limited experience in marketing its technologies and has a small
sales and marketing organization, whereas other participants in both the private
and public sectors include several large domestic and international companies
and numerous small companies, many of whom have substantially greater financial
and other resources and more manufacturing, marketing and sales experience than
the Company. Any one or more of the Company's competitors or other enterprises
not presently known to the Company may develop technologies which are superior
to SET(TM), SLiM(TM) or other technologies utilized by the Company. To the
extent that the Company's competitors are able to offer more cost-effective
remediation alternatives, the Company's ability to compete could be materially
and adversely affected.

Unpredictability of Patent Protection and Proprietary Technology

             The Company has seven United States patents which issued between
1987 and 1996, and which relate to SET(TM), electrochemistry of halogenated
organic compounds, separation and destruction of CFCs and decontamination of
soils containing mercury and radioactive metals. The Company also has one
Canadian patent relating to its SET(TM) technology. The Company has filed five
additional United States patent applications relating to separation and
destruction of CFCs and removal of heavy metals from soil. In November 1995, the
Company filed a provisional patent application relating to the destruction of
chemical warfare agents. On September 15, 1997, Separation filed two United
States continuation-in-part ("CIP") provisional patent applications and, on
September 16, 1997, filed one international patent application covering the
principal features of its SLiM(TM) technology. One of the CIP provisional patent
applications covers the joint inventions of Srinivas Kilambi, Ph.D.,
Separation's Senior Vice President-Technology, and Lockheed Martin. The other
CIP provisional patent application and the international patent application
cover the sole inventions of Dr. Kilambi.

             The Company's success depends, in part, on its ability to obtain
additional patents, protect the patents which it owns, maintain trade secrecy
protection and operate without infringing on the proprietary rights of third
parties. The patents currently owned by the Company are improvement patents
which are more difficult to monitor for infringement than those that would be
contained in a patent covering a pioneering invention or technology. There can
be no assurance that any of the Company's pending patent applications will be
approved, that the Company will develop additional proprietary technology that
is patentable, that any patents issued to the Company will provide the Company
with competitive advantages or will not be challenged by third parties or that

                                       15
<PAGE>

the patents of others will not have an adverse effect on the Company's ability
to conduct its business. Furthermore, there can be no assurance that others will
not independently develop similar or superior technologies, duplicate any
elements of SET(TM), SLiM(TM) or the Company's other technologies, or design
around such technologies. It is possible that the Company may need to acquire
licenses to, or to contest the validity of, issued or pending patents of third
parties. There can be no assurance that any license acquired under such patents
would be made available to the Company on acceptable terms, if at all, or that
the Company would prevail in any such contest. In addition, the Company could
incur substantial costs in defending itself in suits brought against the Company
for alleged infringement of another party's patents or in defending the validity
or enforceability of the Company's patents, or in bringing patent infringement
suits against other parties based on the Company's patents.

             In addition to patent protection, the Company also relies on trade
secrets, proprietary know-how and technology which it seeks to protect, in part,
by confidentiality agreements with its prospective working partners and
collaborators, employees and consultants. There can be no assurance that these
agreements will not be breached, that the Company would have adequate remedies
for any breach, or that the Company's trade secrets and proprietary know-how
will not otherwise become known or be independently discovered by others.

Government Regulation

             The Company and its customers are required to comply with a number
of federal, state and local laws and regulations in the areas of safety, health
and environmental controls, including, without limitation, the Resource
Conservation and Recovery Act, as amended ("RCRA"), and the Occupational Safety
and Health Act of 1970 ("OSHA"), which may require the Company, its prospective
working partners or its customers to obtain permits or approvals to utilize
SET(TM) and/or SLiM(TM), or the Company's other environmental technologies and
related equipment on certain job sites. In addition, if the Company begins to
market SET(TM) and SLiM(TM) internationally, the Company will be required to
comply with laws and regulations and, when applicable, obtain permits or
approvals in those other countries. There is no assurance that such required
permits and approvals will be obtained. Furthermore, particularly in the
environmental remediation market, the Company may be required to conduct
performance and operating studies to assure government agencies that SET(TM)
and/or SLiM(TM), and their by-products, do not pose environmental risks. There
is no assurance that such studies, if successful, will not be more costly or
time-consuming than anticipated.

             In addition, the Company's Nationwide Permit issued by the EPA
contains numerous conditions for maintaining the Nationwide Permit, including
notification of all job sites, periodic reporting to the EPA as to activities at
the job sites, prior notification to and approval by the EPA with respect to any
single-site centralized remediation facility that the Company may seek to
establish and certain restrictions on the disposal of by-products from the use
of SET(TM), and there can be no assurance that the Company will be able to
comply with such conditions in order to maintain and/or obtain renewal of the
Nationwide Permit.

             Further, if new environmental legislation or regulations are
enacted or existing legislation or regulations are amended, or are interpreted
or enforced differently, the Company, its prospective working partners and/or
its customers may be required to meet stricter standards of operation and/or
obtain additional operating permits or approvals. There can be no assurance that
the Company will meet all of the applicable regulatory requirements.

Unspecified Acquisition-Related Risks

             As part of its growth strategy, the Company will seek to acquire or
invest in complementary (including competitive) businesses, products or
technologies. The Company may allocate a significant portion of its available
working capital to finance a portion of the purchase price relating to possible
acquisitions of, or investments in, complementary (including competitive)
business, products or technologies. In the event any such acquisition or
investment opportunity arises in the future, it is probable that the Company
will also be required to obtain additional financing to complete such
transaction. The process of integrating such acquired assets into the Company's
operations may result in unforeseen operating difficulties and expenditures and
may absorb significant management attention that would otherwise be available
for the ongoing development of the Company's business. There can be no assurance
that the anticipated benefits of any acquisitions will be realized. In addition,

                                       16
<PAGE>

future acquisitions by the Company could result in potentially dilutive
issuances of equity securities, the incurrence of debt and contingent
liabilities and amortization expenses related goodwill and other intangible
assets, any of which could materially adversely affect the Company's operating
results and financial position. Acquisitions also involve other risks, including
entering markets in which the Company has no or limited prior experience. The
Company currently has no commitments or agreements with respect to any possible
acquisitions or investments.

Dependence on Key Management and Other Personnel

             The Company is dependent on the efforts of its senior management
and scientific staff, including Paul E. Hannesson, Chairman of the Board,
President and Chief Executive Officer, Edwin L. Harper, Vice Chairman, Michael
D. Fullwood, Senior Vice President, Chief Financial and Administrative Officer,
Secretary and General Counsel, Kenneth L. Adelman, Executive Vice President -
Marketing and International Development of the Company and President and Chief
Operating Officer of CAS, Albert E. Abel, Vice President, Carl O. Magnell, P.E.,
Vice President, Rayburn Hanzlik, Vice President, Andrew P. Oddi, Vice President
and Treasurer, and William E. Ingram, Vice President and Controller. The Company
is also dependent on the efforts of Kenneth J. Houle, President and Chief
Operating Officer of Separation. The proceeds of key-man life insurance policies
on the lives of certain of such individuals may not be adequate to compensate
the Company for the loss of any of such individuals. The loss of the services of
any one or more of such persons may have a material adverse effect on the
Company.

             The Company's future success will depend in large part upon its
ability to attract and retain skilled scientific, management, operational and
marketing personnel. The Company faces competition for hiring such personnel
from other companies, government entities and other organizations. There can be
no assurance that the Company will continue to be successful in attracting and
retaining such personnel.

Potential Conflicts of Interest

         Paul E. Hannesson and Michael D. Fullwood, the Chairman of the Board,
President and Chief Executive Officer and the Senior Vice President, Chief
Financial and Administrative Officer, Secretary and General Counsel of the
Company, respectively, also serve in the same capacities with, and devote a
significant portion of their business and professional time and efforts to the
business of, Environmental and Separation. In addition, Bentley J. Blum, Kenneth
L. Adelman, Ph.D. and David L. Mitchell (the "Environmental Directors"), all of
whom are directors of the Company, also serve as directors of Environmental.
While the Company believes that its business and technologies are
distinguishable from those of Environmental, and that it does not compete in the
markets in which Environmental competes, Messrs. Hannesson and Fullwood and the
Environmental Directors may have potential conflicts of interest with respect
to, among other things, potential corporate opportunities, business
combinations, joint ventures and/or other business opportunities that may become
available to them, the Company and/or Environmental. Moreover, while Messrs.
Hannesson and Fullwood have agreed to devote a portion of their business and
professional time and efforts to the Company, potential conflicts of interest
also include the amount of time and effort devoted by them to the affairs of
Environmental and Separation. The Company may be materially adversely affected
if Messrs. Hannesson and Fullwood and/or the Environmental Directors choose to
place the interests of Environmental or Separation before those of the Company.
Each of Messrs. Hannesson and Fullwood and the Environmental Directors has
agreed that, to the extent such opportunities arise, he will carefully consider
a number of factors, including whether such opportunities are within the
Company's line of business or consistent with its strategic objectives and
whether the Company will be able to undertake or benefit from such
opportunities. In addition, the Company's Board of Directors has adopted a
policy whereby any future transactions between the Company and any of its
subsidiaries, affiliates, officers, directors, principal stockholders or any
affiliates of the foregoing will be on terms no less favorable to the Company
than could reasonably be obtained in "arms length" transactions with independent
third parties, and any such transactions will also be approved by a majority of
the Company's disinterested outside directors. Messrs. Hannesson and Fullwood
and the Environmental Directors also owe fiduciary duties of care and loyalty to
the Company under Delaware law. However, the failure of the Company's management
to resolve any conflicts of interest in favor of the Company could materially
adversely affect the Company's business, financial condition and results of
operations.

                                       17
<PAGE>

Control by Principal Stockholder

             Environmental, a public company whose common stock trades in the
so-called "pink sheets" of the National Quotation Bureau, Inc. (the "Pink
Sheets") and is quoted in the Electronic Bulletin Board of the National
Association of Securities Dealers, Inc. (the "OTCBB"), currently owns 66.6% of
the outstanding Common Stock of the Company. Accordingly, events or
circumstances having an adverse effect on Environmental, including fluctuations
in the market price of its common stock, could have a material adverse effect on
the market price of the Shares.

             Bentley J. Blum, a director of the Company and Environmental,
beneficially owned, directly and through entities controlled by him,
approximately 51.3% of the outstanding common stock of Environmental as of
October 15, 1997. Paul E. Hannesson, the Chairman of the Board, President and
Chief Executive Officer of the Company and Environmental, beneficially owned
approximately 11.9% of the outstanding common stock of Environmental as of such
date. Accordingly, through his ownership or control of a controlling stock
interest in Environmental, Mr. Blum will be able to control, subject to the
terms of a voting agreement, the voting of Environmental's shares at all
meetings of stockholders of the Company and, because the Common Stock does not
have cumulative voting rights, will be able to determine the outcome of the
election of all of the Company's directors and determine corporate and
stockholder action on other matters. Messrs. Blum and Hannesson are
brothers-in-law.

Potential Adverse Effect on Market Price of Securities from Future Sales of
Common Stock

         No assurance can be given as to the effect, if any, that future sales
of Common Stock, or the availability of shares of Common Stock for future sales,
will have on the market price of the Common Stock from time to time. Sales of
substantial amounts of Common Stock (including shares issued upon the exercise
of warrants or stock options), or the possibility that such sales could occur,
could adversely affect the market price of the Common Stock and could also
impair the Company's ability to raise capital through an offering of its equity
securities in the future. Assuming conversion of all of the Series D Preferred
Stock and Series A Preferred Stock, and the exercise of all of the Environmental
Warrants and the Company Warrants, upon completion of this offering the Company
will have approximately 22,890,355 shares (subject to adjustment) of Common
Stock outstanding, of which approximately 5,750,000 currently publicly traded
shares of Common Stock, 2,894,488 Shares (subject to adjustment) issued and to
be issued to the Selling Stockholders upon conversion of the Series D Preferred
Stock and the Series A Preferred Stock, 1,339,407 Shares (subject to adjustment)
to be issued to the Selling Stockholders upon exercise of the Environmental
Warrants and the Company Warrants, and 700,000 Private Placement Shares issued
in connection with the Common Stock Private Placement will be transferable
without restriction under the Securities Act. The remaining 12,206,460 shares of
Common Stock to be outstanding upon completion of this offering are "restricted
securities" (as that term is defined in Rule 144 promulgated under the
Securities Act) which may be publicly sold only if registered under the
Securities Act, or if sold in accordance with an applicable exemption from
registration such as Rule 144. In general, under Rule 144 as currently in
effect, subject to the satisfaction of certain other conditions, a person,
including an affiliate of the Company, who has beneficially owned restricted
securities for at least one year, is entitled to sell (together with any person
with whom such individual is required to aggregate sales), within any
three-month period, a number of shares that does not exceed the greater of 1% of
the total number of outstanding shares of the same class, or, if the stock is
quoted on the Nasdaq Stock Market or a national securities exchange, the average
weekly trading volume during the four calendar weeks preceding the sale. A
person who has not been an affiliate of the Company for at least the immediately
preceding three months, and who has beneficially owned restricted securities for
at least two years, is entitled to sell such restricted shares under Rule 144
without regard to any of the limitations described above.

Volatility of Market Prices of Common Stock

             The market price for the Company's Common Stock has been
historically volatile. Future announcements of new technologies and changing
policies and regulations of the federal government and state governments and
other external factors, as well as potential fluctuations in the Company's
financial results, may have a significant impact on the price of the Common
Stock in the future.

                                       18
<PAGE>

Effect of Series A Preferred on Holders of Common Stock

             The Series A Preferred Stock has separate class voting rights as to
matters affecting such securities (which requires the consent or approval of
holders of 66-2/3% of the Series A Preferred Stock), and votes together with the
holders of Common Stock on all matters requiring stockholder approval on a "as
converted" basis, as though such shares of Series A Preferred Stock had been
converted into Common Stock on the record date used to determine Common Stock
entitled to vote on such transaction or matter. As a result, depending on the
applicable conversion rate of the Series A Preferred Stock on such record date,
each share of Series A Preferred Stock will be entitled to cast multiple votes
with respect to transactions or matters on which each share of Common Stock may
only cast one vote. In addition, in the event of a liquidation of the Company,
the holders of the Series A Preferred Stock would be entitled to receive
distributions in preference to the holders of the Common Stock.

Certain Anti-Takeover Provisions and Potential Adverse Effect on Market Price of
Securities from Issuance of Preferred Stock

             The Company's certificate of incorporation (the "Certificate of
Incorporation") and by-laws (the "By-Laws") contain certain provisions that
could have the effect of delaying or preventing a change of control of the
Company, which could limit the ability of security holders to dispose of their
Shares in such transactions. The Certificate of Incorporation authorizes the
Board of Directors to issue one or more series of preferred stock without
stockholder approval. Such preferred stock could have voting and conversion
rights that adversely affect the voting power of the holders of Common Stock, or
could result in one or more classes of outstanding securities that would have
dividend, liquidation or other rights superior to those of the Common Stock.
Issuance of such preferred stock may have an adverse effect on the then
prevailing market price of the Common Stock. Additionally, the Company is
subject to the anti-takeover provisions of Section 203 of the Delaware General
Corporation Law, which prohibits the Company from engaging in a "business
combination" with an "interested stockholder" for a period of three years after
the date of the transaction in which the person became an interested
stockholder, unless the business combination is approved in a prescribed manner.
Section 203 could have the effect of delaying or preventing a change of control
of the Company.

Potential Adverse Effect on Market Price of Shares as a Result of
Environmental Common Stock

         As of October 15, 1997, there were an aggregate of approximately
58,883,583 shares of common stock of Environmental issued and outstanding, of
which approximately 16,000,000 shares are publicly held. Environmental's common
stock trades in the Pink Sheets and is quoted on the OTCBB. On October 15, 1997,
the closing bid price of such Environmental common stock was $0.81 per share.
The prevailing per share trading price of Environmental common stock may have a
direct impact on the future trading price of the Common Stock, especially since
the approximately $48,000,000 market capitalization of Environmental at October
15, 1997 is less than the approximately $65,000,000 market value of
Environmental's interest in the Company. In addition, potential negative
developments affecting Environmental which may be unrelated to the Company's
business may adversely affect the market value of the Shares.

Limitations on Liability of Directors and Officers

             The Company's Certificate of Incorporation includes provisions to
eliminate, to the full extent permitted by the Delaware General Corporation Law
as in effect from time to time, the personal liability of directors of the
Company for monetary damages arising from a breach of their fiduciary duties as
directors. The Certificate of Incorporation also includes provisions to the
effect that (subject to certain exceptions) the Company shall, to the maximum
extent permitted from time to time under the laws of the State of Delaware,
indemnify, and upon request shall advance expenses to, any director or officer
to the extent that such indemnification and advancement of expenses is permitted
under such law, as it may from time to time be in effect. In addition, the
Company's By-Laws require the Company to indemnify, to the full extent permitted
by law, any director, officer, employee or agent of the Company for acts which
such person reasonably believes are not in violation of the Company's corporate
purposes as set forth in the Certificate of Incorporation. As a result of such
provisions in the Certificate of Incorporation and the By-Laws, stockholders may
be unable to recover damages against the directors and officers of the Company
for actions taken by them which constitute negligence, gross negligence or a
violation of their fiduciary duties, which may discourage or deter stockholders
from suing directors, officers, employees and agents of the Company for breaches
of their duty of care, even though such action, if successful, might otherwise
benefit the Company and its stockholders.

                                       19


<PAGE>

                                 USE OF PROCEEDS

         The Company will not receive any proceeds from the sale or other
disposition of the Shares by the Selling Stockholders hereunder.

                                 CAPITALIZATION

         The following table sets forth the capitalization of the Company as of
June 30, 1997, and as adjusted giving effect to the sale of the Series A
Preferred Stock, the sale of 700,000 Private Placement Shares and the
Convertible Loan from Environmental to the Company as described herein. This
table should be read in conjunction with the Company's Consolidated Financial
Statements incorporated herein by reference.


<TABLE>
<CAPTION>
                                                              (in thousands)
                                                              June 30, 1997
                                                           ---------------------
                                                                     Pro Forma
                                                                         As
                                                           Actual     Adjusted
                                                           ------   ------------
<S>                                                         <C>          <C>
Long-term debt, including current portion:
    Leases payable                                         $    95     $      95
    Convertible Loan from Environmental to the Company,
      net of estimated $1,270 discount                         --          2,730
                                                            -------   ----------
    Total long-term debt                                        95         2,825
                                                            -------   ----------

Redeemable securities:
    Series A Preferred Stock, $.001 par value;
     80,000 shares authorized; 0 shares and
     18,000 shares issued and outstanding,
     respectively                                              --          1,584
    Common Stock with reset feature                            --          2,347 (1)
                                                            -------   ----------
    Total redeemable securities                                --          3,931
                                                            -------   ----------
Stockholders' equity:
    Common Stock, $.001 par value; 50,000,000 shares
     authorized; 21,650,000 and 22,350,000 shares
     issued and outstanding, respectively                       22            22
    Additional paid-in capital                              39,512        41,748 (2)
    Accumulated deficit                                    (21,154)      (21,904)(3)
                                                         ---------      --------
    Total stockholders' equity                              18,380        19,866
                                                         ---------      --------


Total capitalization                                     $  18,475      $ 26,622
                                                         =========      ========
</TABLE>

(1) The price reset feature associated with the sale of 700,000 Private
    Placement Shares contains certain provisions which may require the refund of
    a portion of the cash proceeds from the sale. Accordingly, this security
    has been classified as a redeemable security until such time as the reset
    feature lapses.

(2) Includes the estimated $1,270 fair value of warrants issued in connection
    with the Convertible Loan from Environmental and the estimated $216 and $750
    fair values of the beneficial conversion features associated with the sale
    of the Series A Preferred Stock and the Convertible Loan from Environmental,
    respectively. Management is in the process of engaging an expert in the
    field of valuations to determine the actual fair values of these items.

(3) Includes the effect of immediately recognizing additional interest expense
    relating to the estimated $750 fair value of the beneficial conversion
    feature associated with the Convertible Loan from Environmental.

                                       20



<PAGE>

                              SELLING STOCKHOLDERS

             The following table sets forth the name of each Selling
Stockholder, the number of Shares owned by the Selling Stockholders (where
indicated by footnote, on a pro forma basis as of October 15, 1997 as if all the
outstanding shares of Series D Preferred Stock and Series A Preferred Stock had
been converted into Common Stock, and all the outstanding Environmental Warrants
and Company Warrants had been exercised in full, as of such date), and the
number of Shares which may be offered for resale pursuant to this Prospectus
(also on a pro forma basis where indicated). The information included below is
based upon information provided by the Selling Stockholders. The actual number
of Shares owned or offered could be materially less or more than such estimated
amount depending upon factors which cannot be predicted at this time and, if
required, will be reflected in a supplement to this Prospectus. Because each
Selling Stockholder may offer all, some or none of the Shares it holds, and
because there are currently no agreements, arrangements or understandings with
respect to the sale of any of the Shares, no definitive estimate as to the
number of Shares that will be held by each such Selling Stockholder after such
offering can be provided, and the following table has been prepared on the
assumption that all Shares offered under this Prospectus will be sold to parties
unaffiliated with the Selling Stockholders. Except as indicated, none of the
Selling Stockholders has had a material relationship with the Company within the
past three years, other than as a result of the ownership of the Shares or other
securities of the Company.
<TABLE>
<CAPTION>
                                             Shares                                                  Shares
                                         Owned Prior to                                            Owned After
                                          the Offering                Number of Shares             the Offering
                                 --------------------------------     Which May be Sold       ----------------------
            Name                      Number        Percent(1)        in this Offering          Number      Percent
- -----------------------------    --------------    --------------    --------------------      ---------    -------
<S>                                 <C>                <C>                 <C>                  <C>         <C>                
American Investment
Group of New York, L.P.....        1,205,450(2)        5.4%               1,205,450                *            *

Okemo Partners Limited.....          402,062(3)        1.8%                 402,062                *            *

Milton Partners............          803,633(2)        3.6%                 803,633                *            *

Elara Ltd..................          978,633(4)        4.4%                 978,633                *            *

Porter Partners, L.P.......          278,917(5)        1.2%                 278,917                *            *

EDJ Limited................           39,845(6)          *                   39,845                *            *

Michael Margolies..........           63,750(2)          *                   63,750                *            *

Adam B. Cohen..............           10,625(2)          *                   10,625                *            *

Adam P. Jacobs.............           10,625(2)          *                   10,625                *            *

Nelson Partners............          115,237(7)          *                  115,237                *            *

Olympus Securities, Ltd....          140,845(7)          *                  140,845                *            *

Leonardo, L.P..............           64,021(7)          *                   64,021                *            *

Raphael, L.P...............           25,608(7)          *                   25,608                *            *

Ramius Fund, Ltd...........           38,412(7)          *                   38,412                *            *

Fortune Fund...............           76,825(7)          *                   76,825                *            *

DFA Group Trust - Small
Company Subtrust...........          300,300(8)         1.3%                300,300                *            *

U.S. 9-10 Small Company
Portfolio..................          157,700(8)          *                  157,700                *            *

DFA Group Trust - 6-10
Subtrust...................          125,400(8)          *                  125,400                *            *

U.S. 6-10 Small Company
Series.....................           16,600(8)          *                   16,600                *            *

Linda Cappello ............           27,000(9)          *                   27,000                *            *

Gerard K. Cappello ........           18,000(9)          *                   18,000                *            *

Lawrence K. Fleischman ....           15,000(9)          *                   15,000                *            *

Pacific Continental
Security Corp..............           19,407(9)          *                   19,407                *            *
</TABLE>

                                       21
<PAGE>
- -------------------

*    Represents less than 1% of the outstanding Common Stock.

(1)  Percentages based on 22,350,000 shares of Common Stock outstanding as of
     October 15, 1997.

(2)  Includes a pro forma estimate of the number of Shares that would have been
     owned by the Selling Stockholder if: (a) it had converted all of its shares
     of Series D Preferred Stock on October 15, 1997; (b) the conversion price
     of the Series D Preferred Stock were $3.6125 per share (based upon 85% of
     the average of the low prices of the Common Stock on AMEX as reported
     by Bloomberg for the five consecutive trading days immediately prior to
     October 15, 1997); and (c) it had exercised all of its Environmental
     Warrants in full on October 15, 1997. The actual number of Shares to be
     received by the Selling Stockholder upon conversion of the Series D
     Preferred Stock and exercise of the Environmental Warrants could be
     materially less or more than such estimated amount depending upon factors
     which cannot be predicted at this time, including, among others, the actual
     conversion price of the Series D Preferred Stock. The actual conversion
     price of the Series D Preferred Stock will be an amount equal to 85% of the
     lower of (x) the average of the low prices, or (y) the Average Closing Bid
     Price of the Common Stock of the Company as reported by Bloomberg for the
     previous five business days ending on the day prior to conversion. The
     conversion price will be equal to certain amounts set forth in the
     Certificate of Designation for the Series D Preferred Stock if the Average
     Closing Bid Price of the Common Stock, as reported by Bloomberg, for any
     consecutive 30 days is equal to or less than $2.00, provided that in no
     event will the conversion price be less than $1.50. If required, the actual
     number of Shares to be received by such Selling Stockholder will be
     reflected in a supplement to this Prospectus following the conversion of
     such Series D Preferred Stock and exercise of such Environmental Warrants.

(3)  Includes (i) 83,290 Shares transferred by Environmental to the Selling
     Stockholder upon conversion of 3,000 shares of Series D Preferred Stock on
     October 14, 1997, and (ii) a pro forma estimate of the number of additional
     Shares that would have been owned by the Selling Stockholder if: (a) it had
     converted all of its remaining shares of Series D Preferred Stock on
     October 15, 1997; (b) the conversion price of the Series D Preferred Stock
     were $3.6125 per share (based upon 85% of the average of the low prices of
     the Common Stock on AMEX as reported by Bloomberg for the five consecutive
     trading days immediately prior to October 15, 1997); and (c) it had
     exercised all of its Environmental Warrants in full on October 15, 1997.
  
(4)  Includes (i) 100,000 Shares issued by the Company to the Selling
     Stockholder in connection with the Common Stock Private Placement on
     October 8, 1997, and (ii) a pro forma estimate of the number of additional
     Shares that would have been owned by the Selling Stockholder if: (a) it had
     converted all of its shares of Series D Preferred Stock on October 15,
     1997; (b) the conversion price of the Series D Preferred Stock were $3.6125
     per share (based upon 85% of the average of the low prices of the Common
     Stock on AMEX as reported by Bloomberg for the five consecutive trading
     days immediately prior to October 15, 1997); and (c) it had exercised all
     of its Environmental Warrants in full on October 15, 1997.

(5)  Includes (i) 36,399 Shares transferred by Environmental to the Selling
     Stockholder upon conversion of 1,400 shares of Series D Preferred Stock on
     September 29, 1997, and (ii) a pro forma estimate of the number of
     additional Shares that would have been owned by the Selling Stockholder if:
     (a) it had converted all of its remaining shares of Series D Preferred 
     Stock on October 15, 1997; (b) the conversion price of the Series D 
     Preferred Stock were $3.6125 per share (based upon 85% of the average of
     the low prices of the Common Stock on AMEX as reported by
     Bloomberg for the five consecutive trading days immediately prior to
     October 15, 1997); and (c) it had exercised all of its Environmental
     Warrants in full on October 15, 1997.

(6)  Includes (i) 5,200 Shares transferred by Environmental to the Selling
     Stockholder upon conversion of 200 shares of Series D Preferred Stock on
     September 29, 1997, and (ii) a pro forma estimate of the number of
     additional Shares that would have been owned by the Selling Stockholder if:
     (a) it had converted all of its remaining shares of Series D Preferred 
     Stock on October 15, 1997; (b) the conversion price of the Series D 
     Preferred Stock were $3.6125 per share (based upon 85% of the average of
     the low prices of the Common Stock on AMEX as reported by Bloomberg for the
     five consecutive trading days immediately prior to October 15, 1997); and
     (c) it had exercised all of its Environmental Warrants in full on
     October 15, 1997.

(7)  Includes a pro forma estimate of the number of Shares that would have been
     owned by the Selling Stockholder if: (a) it had converted all of its shares
     of Series A Preferred Stock on October 15, 1997; and (b) the conversion
     price of the Series A Preferred Stock were $3.905 per share (based upon 88%
     of the average of the last sale prices of the Common Stock on AMEX as
     reported by Bloomberg for the five consecutive trading days immediately
     prior to October 15, 1997). The actual number of Shares to be issuable upon
     conversion of the Series A Preferred Stock could be materially less or more
     than such estimated amount depending upon factors which cannot be predicted
     at this time, including, among others, the actual conversion price of the
     Series A Preferred Stock. The actual conversion price of the Series A
     Preferred Stock will be an amount 

                                       22
<PAGE>

     equal to the lesser of (x) $4.64, or (y) 88% of the average of the last
     sale price per share of the Common Stock on AMEX as reported by Bloomberg
     for the five consecutive trading days immediately prior to the date of
     conversion. Subject to customary anti-dilution provisions, the minimum
     conversion price is $2.00 per share, provided that if the last sale price
     per share of the Common Stock on AMEX as reported by Bloomberg is less than
     $2.00 for any 60 consecutive calendar days, the holders of Series A
     Preferred Stock may, among other things, elect to convert their shares into
     Common Stock without regard to such minimum $2.00 per share price. If
     required, the actual number of Shares to be received by such Selling
     Stockholder will be reflected in a supplement to this Prospectus following
     the conversion of such Series A Preferred Stock.

(8)  Represents all of the Shares currently owned directly by the Selling
     Stockholder.

(9)  Includes a pro forma estimate of the number of Shares that would have been
     owned by the Selling Stockholder if it had exercised all of its Company
     Warrants in full on October 15, 1997.

                              PLAN OF DISTRIBUTION

             The Shares offered hereby may be sold by the Selling Stockholders,
or by pledgees, donees, transferees or other successors in interest, from time
to time in transactions in AMEX, in the over-the-counter market, in transactions
independent of AMEX or the over-the-counter market, in negotiated transactions,
or a combination of such methods of sales, at fixed prices which may be changed,
at market prices prevailing at the time of sale, at prices related to prevailing
market prices or at negotiated prices. The Selling Stockholders may effect such
transactions by selling the Shares to or through broker-dealers, and such
broker-dealers may receive compensation in the form of discounts, concessions,
or commissions from the Selling Stockholders and/or the purchasers of the Shares
for whom such broker-dealers may act as agents or to whom they sell as
principals, or both (which compensation as to a particular broker-dealer might
be in excess of customary commissions).

             Any or all of the sales or other transactions involving the Common
Stock described above, whether effected by a Selling Stockholder, any
broker-dealer or others, may be made pursuant to this Prospectus. In addition,
any shares of Common Stock that qualify for sale pursuant to Rule 144 under the
Securities Act may be sold under Rule 144 rather than pursuant to this
Prospectus.

             In order to comply with the securities laws of certain states, if
applicable, the Shares will be sold in such jurisdictions only through
registered or licensed brokers or dealers.

             The Selling Stockholders and any broker-dealers or agents that
participate with the Selling Stockholders in the distribution of the Shares may
be deemed to be "underwriters" within the meaning of the Securities Act, and any
commissions received by them and any profit received by them may be deemed to be
underwriting commissions or discounts under the Securities Act.

             Under applicable rules and regulations under the Exchange Act, any
person engaged in the distribution of the Shares may not simultaneously engage
in market-making activities with respect to the Common Stock of the Company for
a period of two business days prior to the commencement of such distribution. In
addition and without limiting the foregoing, each Selling Stockholder will be
subject to applicable provisions of the Exchange Act and the rules and
regulations thereunder, including, without limitation, Regulation M, which
provisions may limit the timing of purchases and sales of shares of the
Company's Common Stock by the Selling Stockholders. All of the foregoing may
limit the marketability of the Shares.

             To the knowledge of the Company, no underwriting arrangements have
been entered into by the Selling Stockholders with respect to the Shares as of
the date hereof. Upon the Company being notified by a Selling Stockholder that
any material arrangement has been entered into with a broker or dealer for the
sale of Shares through a block trade, special offering or secondary
distribution, or a purchase by a broker or dealer, a supplement to this
Prospectus will be filed, if required, pursuant to Rule 424(b) under the
Securities Act, disclosing (a) the name of each such Selling Stockholder and of
the participating broker or dealer, (b) the number of Shares involved, (c) the
price at which such Shares were sold, (d) the commissions paid or the discounts
or concessions allowed to such broker or dealer, where applicable, (e) that such
broker or dealer did not conduct any investigation to verify the information set
out or incorporated by reference in this Prospectus, and (f) other facts
material to the transaction.

                                       23
<PAGE>

             The Company and the Selling Stockholders have agreed to indemnify
each other and their respective officers and directors and certain other persons
against liabilities in connection with any offering of the Shares, including
liabilities arising under the Securities Act.

             By agreements with the Selling Stockholders, the Company will pay
all of the expenses incurred in connection with the registration of the Shares
under the Securities Act (other than agent's or underwriter's commissions and
discounts), estimated to be approximately $57,400.

                                  LEGAL MATTERS

             The validity of the securities offered hereby will be passed upon
for the Company by Greenberg Traurig Hoffman Lipoff Rosen & Quentel, New York,
New York.

                                     EXPERTS

             The consolidated financial statements incorporated in this
Prospectus by reference, except as they relate to the unaudited six-month
periods ended June 30, 1997 and 1996, have been audited by various independent
accountants. The periods covered by these audits are indicated in the
individual accountants' reports. Such financial statements have been so
incorporated in reliance on the reports of the various independent accountants
given on the authority of such firms as experts in auditing and accounting.

                                       24
                                       
<PAGE>
==============================================================

No dealer, salesperson or other person is authorized to give
any information or to make any representation not contained
in this Prospectus in connection with this offering, and any
information or representation not contained herein must not
be relied upon as having been authorized by the Company or
any other person. This Prospectus does not constitute an
offer to sell or a solicitation of an offer to buy any
securities other than the registered securities to which it
relates or an offer to or solicitation of any person in any
jurisdiction where such an offer or solicitation would be
unlawful. Neither the delivery of this Prospectus at any
time nor any sale made hereunder shall, under any
circumstances, create any implication that the information
herein contained is correct as of any time subsequent to the
date of this Prospectus.

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

                   TABLE OF CONTENTS

                                                 Page
                                                 ----

Available Information...............................2
Incorporation of Certain
     Documents by Reference.........................2
Special Note Regarding
     Forward-Looking Statements.....................3
The Company.........................................4
Recent Developments.................................6
Summary Financial Data.............................11
Risk Factors.......................................13
Use of Proceeds....................................20
Capitalization.....................................20
Selling Stockholders...............................21
Plan of Distribution...............................23
Legal Matters......................................24
Experts............................................24

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


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



                   4,933,895 Shares

         COMMODORE APPLIED TECHNOLOGIES, INC.

                     Common Stock








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

                      PROSPECTUS

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










                   October __, 1997


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

<PAGE>
                                     PART II
                     INFORMATION NOT REQUIRED IN PROSPECTUS

Item 14.  Other Expenses of Issuance and Distribution.

             The following table sets forth the costs and expenses (subject to
future contingencies) incurred or expected to be incurred by the Company in
connection with the issuance and distribution of the securities being offered
hereby (items marked with an asterisk (*) represent estimated expenses). The
Company has agreed to pay all the costs and expenses of this offering.

Securities and Exchange Commission registration fee............   $ 7,424.81
Legal fees and expenses........................................    30,000.00*
Accounting fees and expenses...................................    10,000.00*
Miscellaneous..................................................    10,000.00*
                                                                  ----------

         Total.................................................   $57,424.81
                                                                  ==========


Item 15.  Indemnification of Directors and Officers.

         Section 145(a) of the General Corporation Law of the State of Delaware
(the "General Corporation Law") provides that a Delaware corporation may
indemnify any person who was or is a party or is threatened to be made a party
to any threatened, pending or completed action, suit or proceeding, whether
civil, criminal, administrative or investigative (other than an action by or in
the right of the corporation) by reason of the fact that he or she is or was a
director, officer, employee or agent of the corporation or is or was serving at
the request of the corporation as a director, officer, employee or agent of
another corporation or enterprise, against expenses, judgments, fines and
amounts paid in settlement actually and reasonably incurred by him or her in
connection with such action, suit or proceeding if he or she acted in good faith
and in a manner he or she reasonably believed to be in or not opposed to the
best interests of the corporation, and, with respect to any criminal action or
proceeding, had no cause to believe his or her conduct was unlawful.

         Section 145(b) of the General Corporation Law provides that a Delaware
corporation may indemnify any person who was or is a party or is threatened to
be made a party to any threatened, pending or completed action or suit by or in
the right of the corporation to procure a judgment in its favor by reason of the
fact that such person acted in any of the capacities set forth above, against
expenses actually and reasonably incurred by him or her in connection with the
defense or settlement of such action or suit if he or she acted under similar
standards as set forth above, except that no indemnification may be made in
respect of any claim, issue or matter as to which such person shall have been
adjudged to be liable to the corporation unless and only to the extent that the
court in which such action or suit was brought shall determine that despite the
adjudication of liability, but in view of all the circumstances of the case,
such person is fairly and reasonably entitled to be indemnified for such
expenses which the court shall deem proper.

         Section 145 of the General Corporation Law further provides that to the
extent a director or officer of a corporation has been successful on the merits
or otherwise in the defense of any action, suit or proceeding referred to in
subsections (a) and (b) or in the defense of any claim, issue or matter therein,
he or she shall be indemnified against expenses actually and reasonably incurred
by him or her in connection therewith; that indemnification provided for by
Section 145 shall not be deemed exclusive of any other rights to which the
indemnified party may be entitled; and that the corporation may purchase and
maintain insurance on behalf of such person against any liability asserted
against him or her or incurred by him or her in any such capacity or arising out
of his or her status as such, whether or not the corporation would have the
power to indemnify him or her against such liabilities under such Section 145.

         Section 102(b)(7) of the General Corporation Law provides that a
corporation in its original certificate of incorporation or an amendment thereto
validly approved by stockholders may eliminate or limit personal liability of
members of its board of directors or governing body for monetary damages for
breach of a director's fiduciary duty. However, no such provision may eliminate
or limit the liability of a director for breaching his or her duty of loyalty,
failing to act in good faith, engaging in intentional misconduct or knowingly
violating a law, 

                                      II-1
<PAGE>

paying a dividend or approving a stock repurchase or redemption which was
illegal, or obtaining an improper personal benefit. A provision of this type has
no effect on the availability of equitable remedies, such as injunction or
rescission, for breach of fiduciary duty. The Company's Certificate of
Incorporation contains such a provision.

         Article Thirteenth of the Company's Certificate of Incorporation
eliminates the personal liability of directors and/or officers to the Company or
its stockholders for monetary damages for breach of fiduciary duty as a
director; provided that such elimination of the personal liability of a director
and/or officer of the Company does not apply to (i) any breach of such person's
duty of loyalty to the Company or its stockholders, (ii) acts or omissions not
in good faith or which involve intentional misconduct or a knowing violation of
law, (iii) actions prohibited under Section 174 of the General Corporation Law
(i.e., liabilities imposed upon directors who vote for or assent to the unlawful
payment of dividends, unlawful repurchases or redemption of stock, unlawful
distribution of assets of the Company to the stockholders without the prior
payment or discharge of the Company's debts or obligations, or unlawful making
or guaranteeing of loans to directors and/or officers), or (iv) any transaction
from which the director derived an improper personal benefit. In addition,
Article Fourteenth of the Company's Certificate of Incorporation and Article VI
of the Company's By-Laws provide that the Company shall indemnify its corporate
personnel, directors and officers to the fullest extent permitted by the General
Corporation Law, as amended from time to time.

         The Company has in force a combined insurance policy with Environmental
under which its directors and officers are insured, with limits of $20 million
per occurrence and $20 million in the aggregate, against certain expenses in
connection with the defense of such actions, suits or proceedings to which they
are parties by reason of being or having been directors or officers of the
Company.

         The Company and its officers, directors and other persons are entitled
to be indemnified under certain circumstances for certain securities law
violations in accordance with the provisions of an underwriting agreement dated
June 28, 1996 (the "Underwriting Agreement"), by and among the Company, Bentley
J. Blum and National Securities Corporation, as representative of the several
underwriters.

         The Company and the Selling Stockholders have agreed to indemnify each
other and their respective officers and directors and certain other persons
against liabilities in connection with any offering of the Shares, including
liabilities arising under the Securities Act.

         Insofar as indemnification for liabilities arising under the Securities
Act may be permitted to directors, officers or persons controlling the Company
as disclosed above, the Company has been informed that in the opinion of the
Securities and Exchange Commission such indemnification is against public policy
as expressed in the Securities Act and is therefore unenforceable.

Item 16.  Exhibits

Exhibit
Number       Description
- ------       -----------

4.1          Form of Specimen Certificate of Company's Common Stock. (1)

4.2          Form of 7% Preferred Stock Securities Purchase Agreement, dated May
             20, 1997, among Environmental, the Company and Okemo Partners
             Limited. (2)

4.3          Form of 7% Preferred Stock Securities Purchase Agreement, dated May
             20, 1997, among Environmental, the Company and American Investment
             Group of New York, L.P. (2)

4.4          Form of 7% Preferred Stock Securities Purchase Agreement, dated May
             20, 1997, among Environmental, the Company and Milton Partners. (2)

4.5          Form of Common Stock Purchase Warrant to purchase 200,000 shares of
             Common Stock of the Company issued to Milton Partners. (2)

4.6          Form of Common Stock Purchase Warrant to purchase 100,000 shares of
             Common Stock of the Company issued to Okemo Partners Limited. (2)

4.7          Form of Common Stock Purchase Warrant to purchase 300,000 shares of
             Common Stock of the Company issued to American Investment Group of
             New York, L.P. (2)

4.8          Certificate of Designations of Environmental Series D Preferred
             Stock. (2)

                                      II-2
<PAGE>

4.9          Amendment No. 1, dated August 18, 1997, to 7% Preferred Stock
             Securities Purchase Agreement, dated May 20, 1997. (3)

4.10         7% Preferred Stock Securities Purchase Agreement, dated August 14,
             1997, among Environmental, the Company and Elara Ltd. (3)

4.11         Amendment No. 1, dated August 20, 1997, to 7% Preferred Stock
             Securities Purchase Agreement, dated August 14, 1997, among
             Environmental, the Company and Elara Ltd. (3)

4.12         7% Preferred Stock Securities Purchase Agreement, dated August 14,
             1997, among Environmental, the Company and Porter Partners, L.P.
             (3)

4.13         Amendment No. 1, dated August 20, 1997, to 7% Preferred Stock
             Securities Purchase Agreement, dated August 14, 1997, among
             Environmental, the Company and Porter Partners, L.P. (3)

4.14         7% Preferred Stock Securities Purchase Agreement, dated August 14,
             1997, among Environmental, the Company and EDJ Limited. (3)

4.15         Amendment No. 1, dated August 20, 1997, to 7% Preferred Stock
             Securities Purchase Agreement, dated August 14, 1997, among
             Environmental, the Company and EDJ Limited. (3)

4.16         Common Stock Purchase Warrant to purchase 325,000 shares of Common
             Stock of the Company issued to Elara Ltd. (3)

4.17         Common Stock Purchase Warrant to purchase 50,000 shares of Common
             Stock of the Company issued to Porter Partners Ltd. (3)

4.18         Common Stock Purchase Warrant to purchase 12,500 shares of Common
             Stock of the Company issued to EDJ Limited. (3)

4.19         Amendment to Certificate of Incorporation of Environmental and
             Amended and Restated Certificate of Designations for Environmental
             Series D Preferred Stock. (3)

4.20         Series A Convertible Preferred Stock Purchase Agreement, dated as
             of August 15, 1997, among the Company, Nelson Partners, Olympus
             Securities, Ltd., Leonardo, L.P., Raphael, L.P., Ramius Fund, Ltd.
             and Fortune Fund (collectively, the "Series A Preferred
             Purchasers"). (4)

4.21         Certificate of Designations for Series A Preferred Stock. (4)

4.22         Registration Rights Agreement between the Company and the Series A
             Preferred Purchasers. (4)

4.23         Common Stock Purchase Warrant to purchase 50,000 shares of Common
             Stock of the Company issued to Milton Partners. (3)

4.24         Common Stock Purchase Warrant to purchase 25,000 shares of Common
             Stock of the Company issued to Okemo Partners Limited. (3)

4.25         Common Stock Purchase Warrant to purchase 75,000 shares of Common
             Stock of the Company issued to American Investment Group of New
             York, L.P. (3)

4.26         $4.0 million convertible note of the Company payable to
             Environmental. (3)

4.27         Common Stock Purchase Warrant to purchase 1,000,000 shares of
             Common Stock of the Company issued to Environmental. (3)

4.28         Stock Purchase Agreements, dated as of September 26, 1997, by and
             between the Company and each of DFA Group Trust--Small Company
             Subtrust, U.S. 9-10 Small Company Portfolio, DFA Group Trust--6-10
             Subtrust and U.S. 6-10 Small Company Series. (4)

4.29         7% Preferred Stock Securities Purchase Agreement, dated August 14,
             1997, among Environmental, the Company and Porter Partners, L.P.
             (3)

                                      II-3
<PAGE>

4.30         Common Stock Purchase Warrant to purchase 37,500 shares of Common
             Stock of the Company issued to Porter Partners, L.P. (3)

*4.31        Stock Purchase Agreement, dated as of October 7, 1997, by and
             between the Company and Elara Ltd.

*10.1        Notice of Award to Advanced Sciences, Inc. of subcontract to
             remediate mixed waste at Weldon Spring, Missouri.

*5.1         Opinion of Greenberg Traurig Hoffman Lipoff Rosen & Quentel.

*23.1        Consent of Tanner + Co.

*23.2        Consent of Price Waterhouse LLP.

*23.3        Consent of Greenberg Traurig Hoffman Lipoff Rosen & Quentel
             (included in Exhibit 5.1).

*24.1        Power of Attorney.(5)

 ---------------------------------
*    Filed herewith.

(1)  Incorporated herein by reference. Filed as an exhibit to Amendment No. 2 to
     the Company's Registration Statement on Form S-1 filed with the Commission
     on June 25, 1996, Registration No. 333-4396.

(2)  Incorporated herein by reference. Filed as an exhibit to Environmental's
     Current Report on Form 8-K, dated May 20, 1997 and filed with the
     Commission on July 1, 1997 (Commission File No. 0-10054).

(3)  Incorporated herein by reference. Filed as an exhibit to Amendment No. 1 on
     Form 8-K/A-1 to Environmental's Current Report on Form 8-K, dated May 20,
     1997, filed with the Commission on October 3, 1997.

(4)  Incorporated herein by reference. Filed as an exhibit to the Company's
     Current Report on Form 8-K, dated August 15, 1997 and filed with the
     Commission on October 3, 1997 (Commission File No. 1-11871).

(5)  Contained on the signature page hereof.


Item 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;

               (ii) To reflect in the prospectus any facts or events arising
                    after the effective date of this Registration Statement (or
                    the most recent post-effective amendment thereof) which,
                    individually or in the aggregate, represent a fundamental
                    change in the information set forth in this Registration
                    Statement. Notwithstanding the foregoing, any increase or
                    decrease in volume of securities offered (if the total
                    dollar value of securities offered would not exceed that
                    which was registered) and any deviation from the low or high
                    and of the estimated maximum offering range may be reflected
                    in the form of prospectus filed with the Commission Pursuant
                    to Rule 424(b) if, in the aggregate, the changes in volume
                    and price represent no more than a 20 percent change in the
                    maximum aggregate offering price set forth in the
                    "Calculation of Registration Fee" table in the effective
                    Registration Statement;

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

               provided, however, that the undertakings set forth in
               paragraphs (a)(1)(i) and (a)(1)(ii) shall not apply if the
               information required to be included in a post-effective
               amendment by those paragraphs is contained in periodic
               reports filed with or furnished to the Commission by the
               Company pursuant to Section 13 or Section 15(d) of the
               Exchange Act that are incorporated by reference in this
               Registration Statement.

                                      II-4
<PAGE>

                    (2)  That, for the purpose of determining any liability 
                         under the Securities Act, 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.

               (b)  The Company hereby undertakes that, for purposes of
                    determining any liability under the Securities Act, each
                    filing of the Company's annual report pursuant to Section
                    13(a) or Section 15(d) of the Exchange Act (and, where
                    applicable, each filing of the annual report of the employee
                    benefit plans pursuant to Section 15(d) of the Exchange Act)
                    that is incorporated by reference in this 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.

               (c)  Insofar as indemnification for liabilities arising under the
                    Securities Act may be permitted to directors, officers and
                    controlling persons of the Company pursuant to the foregoing
                    provisions, or otherwise, the Company has been advised that
                    in the opinion of the Commission such indemnification is
                    against public policy as expressed in the Securities Act and
                    is, therefore, unenforceable. In the event that a claim for
                    indemnification against such liabilities (other than the
                    payment by the Company of expenses incurred or paid by a
                    director, officer or controlling person of the Company 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 Company
                    will, unless in the opinion of its counsel the matter has
                    been settled by controlling precedent, submit to a court of
                    appropriate jurisdiction the question whether such
                    indemnification by it is against public policy as expressed
                    in the Securities Act and will be governed by the final
                    adjudication of such issue.



                                      II-5
<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 the City of New York, State of New York on this 16th day of
October, 1997.

                             COMMODORE APPLIED TECHNOLOGIES, INC.

                              By: /s/Paul E. Hannesson
                                  ------------------------------------------
                                   Paul E. Hannesson
                                   Chairman of the Board, President and
                                   Chief Executive Officer

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

                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS, that each person whose signature
appears below constitutes and appoints Paul E. Hannesson and Michael D.
Fullwood, and each of them, his true and lawful attorneys-in-fact and agents,
with full power of substitution and resubstitution, for him and in his name,
place and stead, in any and all capacities, to sign any and all amendments
(including post-effective amendments) to this Registration Statement, and to
file the same, with all exhibits thereto, and other documents in connection
therewith, with the Securities and Exchange Commission, and any other regulatory
authority, 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 and about the premises, as fully to all
intents and purposes as he might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents or any of them, or their
substitutes, may lawfully do or cause to be done by virtue hereof.

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

         Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed below by the following persons in the
capacities and on the dates indicated.
<TABLE>
<CAPTION>

                Signature                               Title                    Date
                ---------                               -----                    ----
<S>                                      <C>                                    <C>

/s/Paul E. Hannesson                     Chairman of the Board, President        October 16, 1997
- --------------------------------         and Chief Executive Officer      
Paul E. Hannesson                        (principal executive officer)    
                        

/s/Michael D. Fullwood                   Senior Vice President, Chief            October 16, 1997
- --------------------------------         Financial and Administrative        
Michael D. Fullwood                      Officer, Secretary and General      
                                         Counsel (principal financial and    
                                         accounting officer)                 
                                         

/s/Bentley J. Blum                       Director                                October 16, 1997
- --------------------------------
Bentley J. Blum

/s/Edwin L. Harper                       Director                                October 16, 1997
- --------------------------------
Edwin L. Harper, Ph.D.

/s/Kenneth L. Adelman                    Director                                October 16, 1997
- --------------------------------
Kenneth L. Adelman, Ph.D.

/s/Herbert A.Cohen                       Director                                October 16, 1997
- --------------------------------
Herbert A. Cohen

/s/David L. Mitchell                     Director                                October 16, 1997
- --------------------------------
David L. Mitchell
</TABLE>




                                      II-6
<PAGE>
                                                   EXHIBIT INDEX


Exhibit
Number       Description
- ------       -----------

4.1          Form of Specimen Certificate of Company's Common Stock. (1)

4.2          Form of 7% Preferred Stock Securities Purchase Agreement, dated May
             20, 1997, among Environmental, the Company and Okemo Partners
             Limited. (2)

4.3          Form of 7% Preferred Stock Securities Purchase Agreement, dated May
             20, 1997, among Environmental, the Company and American Investment
             Group of New York, L.P. (2)

4.4          Form of 7% Preferred Stock Securities Purchase Agreement, dated May
             20, 1997, among Environmental, the Company and Milton Partners. (2)

4.5          Form of Common Stock Purchase Warrant to purchase 200,000 shares of
             Common Stock of the Company issued to Milton Partners. (2)

4.6          Form of Common Stock Purchase Warrant to purchase 100,000 shares of
             Common Stock of the Company issued to Okemo Partners Limited. (2)

4.7          Form of Common Stock Purchase Warrant to purchase 300,000 shares of
             Common Stock of the Company issued to American Investment Group of
             New York, L.P. (2)

4.8          Certificate of Designations of Environmental Series D Preferred
             Stock. (2)

4.9          Amendment No. 1, dated August 18, 1997, to 7% Preferred Stock
             Securities Purchase Agreement, dated May 20, 1997. (3)

4.10         7% Preferred Stock Securities Purchase Agreement, dated August 14,
             1997, among Environmental, the Company and Elara Ltd. (3)

4.11         Amendment No. 1, dated August 20, 1997, to 7% Preferred Stock
             Securities Purchase Agreement, dated August 14, 1997, among
             Environmental, the Company and Elara Ltd. (3)

4.12         7% Preferred Stock Securities Purchase Agreement, dated August 14,
             1997, among Environmental, the Company and Porter Partners, L.P.
             (3)

4.13         Amendment No. 1, dated August 20, 1997, to 7% Preferred Stock
             Securities Purchase Agreement, dated August 14, 1997, among
             Environmental, the Company and Porter Partners, L.P. (3)

4.14         7% Preferred Stock Securities Purchase Agreement, dated August 14,
             1997, among Environmental, the Company and EDJ Limited. (3)

4.15         Amendment No. 1, dated August 20, 1997, to 7% Preferred Stock
             Securities Purchase Agreement, dated August 14, 1997, among
             Environmental, the Company and EDJ Limited. (3)

4.16         Common Stock Purchase Warrant to purchase 325,000 shares of Common
             Stock of the Company issued to Elara Ltd. (3)

4.17         Common Stock Purchase Warrant to purchase 50,000 shares of Common
             Stock of the Company issued to Porter Partners Ltd. (3)

4.18         Common Stock Purchase Warrant to purchase 12,500 shares of Common
             Stock of the Company issued to EDJ Limited. (3)

4.19         Amendment to Certificate of Incorporation of Environmental and
             Amended and Restated Certificate of Designations for Environmental
             Series D Preferred Stock. (3)

4.20         Series A Convertible Preferred Stock Purchase Agreement, dated as
             of August 15, 1997, among the Company, Nelson Partners, Olympus
             Securities, Ltd., Leonardo, L.P., Raphael, L.P., Ramius Fund, Ltd.
             and Fortune Fund (collectively, the "Series A Preferred
             Purchasers"). (4)

4.21         Certificate of Designations for Series A Preferred Stock. (4)

<PAGE>

 4.22         Registration Rights Agreement between the Company and the Series A
              Preferred Purchasers. (4)

 4.23         Common Stock Purchase Warrant to purchase 50,000 shares of Common
              Stock of the Company issued to Milton Partners. (3)

 4.24         Common Stock Purchase Warrant to purchase 25,000 shares of Common
              Stock of the Company issued to Okemo Partners Limited. (3)

 4.25         Common Stock Purchase Warrant to purchase 75,000 shares of Common
              Stock of the Company issued to American Investment Group of New
              York, L.P. (3)

 4.26         $4.0 million convertible note of the Company payable to
              Environmental. (3)

 4.27         Common Stock Purchase Warrant to purchase 1,000,000 shares of
              Common Stock of the Company issued to Environmental. (3)

 4.28         Stock Purchase Agreements, dated as of September 26, 1997, by and
              between the Company and each of DFA Group Trust--Small Company
              Subtrust, U.S. 9-10 Small Company Portfolio, DFA Group Trust--6-10
              Subtrust and U.S. 6-10 Small Company Series. (4)

 4.29         7% Preferred Stock Securities Purchase Agreement, dated August 14,
              1997, among Environmental, the Company and Porter Partners, L.P.
              (3)
 
 4.30         Common Stock Purchase Warrant to purchase 37,500 shares of Common
              Stock of the Company issued to Porter Partners, L.P. (3)

*4.31         Stock Purchase Agreement, dated as of October 7, 1997, by and
              between the Company and Elara Ltd.
  
*5.1          Opinion of Greenberg Traurig Hoffman Lipoff Rosen & Quentel.

*10.1         Notice of Award to Advanced Sciences, Inc. of subcontract to
              remediate mixed waste at Weldon Spring, Missouri.

*23.1         Consent of Tanner + Co.

*23.2         Consent of Price Waterhouse LLP.

*23.3         Consent of Greenberg Traurig Hoffman Lipoff Rosen & Quentel
              (included in Exhibit 5.1).

*24.1         Power of Attorney.(5)

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

*    Filed herewith.

(1)  Incorporated herein by reference. Filed as an exhibit to Amendment No. 2 to
     the Company's Registration Statement on Form S-1 filed with the Commission
     on June 25, 1996, Registration No. 333-4396.

(2)  Incorporated herein by reference. Filed as an exhibit to Environmental's
     Current Report on Form 8-K, dated May 20, 1997 and filed with the
     Commission on July 1, 1997 (Commission File No. 0-10054).

(3)  Incorporated herein by reference. Filed as an exhibit to Amendment No. 1 on
     Form 8-K/A-1 to Environmental's Current Report on Form 8-K, dated May 20,
     1997, filed with the Commission on October 3, 1997.

(4)  Incorporated herein by reference. Filed as an exhibit to the Company's
     Current Report on Form 8-K, dated August 15, 1997 and filed with the
     Commission on October 3, 1997 (Commission File No. 1-11871).

(5)  Contained on the signature page hereof.




<PAGE>

                            STOCK PURCHASE AGREEMENT

     This Stock Purchase Agreement (the "Agreement") is made as of October 7,
1997, between Commodore Applied Technologies, Inc., a Delaware corporation, (the
"Corporation"), and an entity advised by Talisman Capital whose name is set
forth at the foot of this Agreement (the "Purchaser").

     The corporation and the Purchaser hereby agree as follows:

                                    SECTION 1

                  Authorization, Purchase and Sale of the Stock

     1.1 Authorization of the Stock. The Corporation has authorized issuance and
sale of 100,000 shares of its common stock (the "Stock") to Purchaser as herein
provided.

     1.2 Sale and Purchase of the Stock. At the Closing, subject to the terms
and conditions hereof and in reliance upon the representations, warranties and
agreements contained herein, the Purchaser will purchase the stock from the
Corporation at a purchase price of $3.93125 per share, $393,125 in total.

                                   SECTION 2

                          Closing, Payment and Delivery

     2.1 Closing Date and Place of Closing. The closing shall be held as soon as
practicable, and in no event more than 5 business days after execution of this
Agreement, on such date as the Corporation and the Purchaser may agree to (the
"Closing Date") and shall be held at the offices of Talisman Capital, 16101
LaGrande Drive, #100, Little Rock, Arkansas 72211.

     2.2 Payment and Delivery. At the Closing, the Purchaser will pay or cause
to be paid to the Corporation by wire funds transfer the entire purchase price.
The Corporation will deliver in advance of the Closing to an institutional
custodian designated by the Purchaser a certificate or certificates, registered
in such name or names as Purchaser may designate, representing all of the Stock,
with instructions that such certificates are to be held for the account of
Purchaser upon payment of the purchase price.

     2.3 Covenant of Best Efforts and Good Faith. The Corporation and the
Purchaser agree to use their respective best

                                       1

<PAGE>


efforts and to act in good faith to cause to occur all conditions to Closing
which are in their respective control.

                                    SECTION 3

                            Purchase Price Adjustment

     3.1. Subsequent Sale at Lower Price. If during the twelve month period
following the Closing Date (the "Anniversary Period"), the Corporation shall, on
any one or more occasion, sell any shares of its common stock or any security
convertible into or exercisable in respect of common stock, or issue additional
shares of common stock upon conversion during the Anniversary Period of its
currently outstanding Series A Convertible Preferred Stock for a selling price
per share or a conversion price per share which shall be lower than the purchase
price per share of the Stock sold to Purchaser pursuant to Section 1.2 hereof
(such lower price or prices being the "Reset Price"), the purchase price per
share of the Stock sold to the Purchaser hereunder shall be adjusted downward as
at the end of the Anniversary Period so as to equal the Reset Price. The lowest
selling price per share or conversion price per share at which the Corporation
shall issue its common stock during the Anniversary Period shall determine the
applicable Reset Price; provided, that

          (a) the lowest sales or conversion prices associated with issuances by
     the Corporation of up to 10,000 shares of the Corporation's common stock,
     and

          (b) issuances of shares of the Corporation's common stock by Commodore
     Environmental Services, Inc. ("COES"), the parent of the Corporation, upon
     conversion of Series D Convertible Preferred Stock of COES or upon exercise
     of certain warrants to purchase shares of the Corporation's common stock
     granted by COES, irrespective of the conversion or exercise price per
     share, 

shall be excluded in determining such Reset Price.

     3.2. Adjustment Mechanism. If an adjustment of the purchase price for the
Stock is required pursuant to this Section 3, the Corporation shall, not later
than five business days (subject to the provisions of Subsection 3.6 hereof)
following the expiration of the Anniversary Period, refund to Purchaser in cash
the amount of such downward adjustment which shall be equal to the product of
(a) the total number of shares of common stock originally delivered to Purchaser
hereunder, multiplied by (b) the difference between the purchase price per share
set forth in Section 1.2 and the final Reset Price. If for any reason the
Corporation fails to make such cash refund within 10 days after it becomes due
pursuant to this Section 3.2, then the Corporation shall immediately deliver to
Purchaser such number of additional



                                       2
<PAGE>

shares of common stock as will cause (i) the total number of shares of common
stock delivered to Purchaser hereunder, multiplied by (ii) the Reset Price, to
equal the total purchase price set forth in Section 1.2 hereof; provided,
however, that the Corporation shall effect such adjustment in cash, in whole or
in part, to the extent required by the following subsection.

     3.3. Limitation on Number of Shares. Purchaser and other entities advised
by Dimensional Advisors Inc. shall not be required to accept, by way of any such
adjustment, a number of shares of the Corporation such that the total number of
such shares held by Purchaser and such other entities, which were held by them
on the date of this Agreement or acquired by them pursuant to this Agreement or
agreements of like tenor with such other entities, would exceed 4.99% of the
total outstanding stock or the Corporation. The Corporation shall effect the
adjustment required by this Section by cash refund to the extent necessary to
avoid causing the aforesaid limitation to be exceeded.

     3.4 Capital Adjustments. In case of any stock split or reverse stock split,
stock dividend, reclassification of the common stock, recapitalization, merger
or consolidation, or like capital adjustment affecting the common stock of the
Corporation, the provisions of this Section shall be applied as if such capital
adjustment event had occurred immediately prior to the Closing Date and the
original purchase price had been fairly allocated to the stock resulting from
such capital adjustment; and in other respects the provisions of this Section
shall be applied in a fair, equitable and reasonable manner so as to give
effect, as nearly as may be, to the purposes hereof.

     3.5. Exclusions. Section 3.1 shall not apply to sales of shares by the
Corporation (i) upon conversion or exercise of any convertible securities,
options or warrants outstanding on the date hereof, except that with respect to
the Corporation's Series A Convertible Preferred Stock, conversions during the
Anniversary Period shall be subject to Section 3.l, (ii) pursuant to the
provisions of any shareholder-approved employee benefit or incentive plan
heretofore or hereafter adopted by the Corporation, or (iii) to an entity which
is a strategic investor in the Corporation or an investor which is in a related
industry, as opposed to a financial investor.

     3.6. Definitions. For purposes of Section 3.1 hereof, a sale of shares
shall mean and include the sale or issuance of rights, options, warrants or
convertible securities under which the Corporation is or may become obligated to
issue shares of common stock, and the "selling price" of the common stock
covered thereby shall be the exercise or conversion price thereof plus the
consideration (if any) received by the Corporation upon such sale or issuance.
If the selling price or the exercise or conversion price is not determined until
after the Anniversary Period, an adjustment pursuant to this Section shall be
made promptly



                                       3
<PAGE>


following such determination, if required. If shares are issued for a
consideration other than cash, the "selling price" shall be the fair value of
the such consideration as determined in good faith by the Board of Directors of
the Corporation. The term "Stock" as used in this Agreement shall include shares
issued pursuant to this Section.



                                       3A
<PAGE>



                                   SECTION 4

               Representations and Warranties of the Corporation

     The Corporation hereby represents and warrants to the Purchaser that:

     4.1 Corporate Power, Qualification and Standing. The Corporation and its
subsidiaries are validly existing and in good standing under the laws of their
respective jurisdictions of incorporation and each of them is qualified to
transact business in each jurisdiction in which its ownership of property or
conduct of activities requires such qualification. The Corporation has all
requisite corporate power and authority to enter into this Agreement, to sell
the Stock and to carry out and perform its other obligations under this
Agreement.

     4.2 S.E.C. Reports; Financial Statements. The common stock of the
Corporation is registered under Section 12(b) or (g) of the Securities Exchange
Act of 1934 and the Corporation is in full compliance with its reporting and
filing obligations under said Act. The Corporation has delivered to Purchaser
all of its Annual Reports to shareholders and its reports on Form 10K, and all
its quarterly reports to shareholders, quarterly reports on Form 10Q, and each
other report, registration statement, definitive proxy statement or other
document filed with the S.E.C. since the beginning of said three fiscal years
(collectively, the "SEC Reports"). The SEC Reports do not (as of their
respective dates) contain any untrue statement of a material fact or omit to
state a material fact required to be stated therein or necessary to make the
statements therein, in the light of the circumstances under which they were
made, not misleading. The audited and unaudited financial statements of the
Corporation included in the SEC Reports (the "Financial Statements") have been
prepared in accordance with generally accepted accounting principles applied on
a consistent basis (except as stated in such Financial Statements or the notes
thereto) and fairly present the financial position of the Corporation and its
consolidated subsidiaries as of the dates thereof and the results of their
operations and changes in financial position for the periods then ended. Except
as publicly disclosed by the Corporation in the SEC Reports or otherwise, since
the end of the most recent of said fiscal years there has been no material
adverse change in the business, financial condition, or results of operations of
the Corporation and its subsidiaries taken together as a consolidated whole, and
there is no existing condition, event or series of events which can reasonably
be expected to have a material adverse effect on the business, financial
condition or results of operations of the Corporation and its subsidiaries taken
together as a consolidated whole, or its ability to perform its obligations
under this Agreement.



                                       4
<PAGE>


     4.3 Authorization; No Conflict. Execution and delivery of this Agreement
and issuance and sale of the Stock have been duly authorized by all necessary
corporate action of the Corporation, and the Stock when issued will be validly
issued, fully paid and non-assessable. Performance by the Corporation of its
obligations under this Agreement will not conflict with or violate (i) the
charter documents or bylaws of the Corporation, (ii) any indenture, loan
agreement, lease, mortgage or other material agreement binding on the
Corporation, (iii) any order of a court or administrative agency binding on the
Corporation, or (iv) any applicable law or governmental regulation; and Such
performance does not and will not require the permission or approval of any
governmental agency, and will not result in the imposition or creation of any
lien or charge against any assets of the Corporation. Except as disclosed in the
Financial Statements or on Exhibit A hereto, (i) the Corporation has no
obligation to redeem or repurchase any of its equity securities, (ii) no
shareholder or other person has pre-emptive or other rights to acquire equity
securities of the Corporation, and (iii) the Corporation has no obligation to
register any of its securities otherwise than pursuant to Section 8 of this
Agreement or as disclosed on Exhibit A hereto.

     4.4 Material Agreements; No Defaults. All material indentures, loan
agreements, leases, mortgages and other agreements binding on the Corporation or
its subsidiaries are identified in the list of exhibits contained in the
Corporation's most recent 10K report ("Other Agreements"). No material default
on the part of the Corporation or any of its subsidiaries (including any event
which, with notice or the passage of time, would constitute a default) exists
under any of the Other Agreements.

     4.5 Material Liabilities. Except for liabilities disclosed in the Financial
Statements or the SEC Reports, and obligations under the Other Agreements, the
Corporation and its subsidiaries have no material liabilities or obligations,
absolute or contingent, other than liabilities arising in the ordinary course of
business subsequent to the date of the most recent of the Financial Statements.

     4.6 Properties. The Corporation and its subsidiaries (i) have good title to
the properties and assets reflected in the Financial Statements as owned by
them, (ii) have valid leasehold interests in the properties leased by them, and
(iii) own or have the right to use under valid license agreements all
trademarks, trade names, copyrights, patents and other intellectual property
rights regularly utilized by them; subject in each case to no material liens,
security interests or adverse claims except as disclosed in the Financial
Statements.

     4.7 Litigation. There are no material legal actions, arbitrations, or
administrative proceedings pending against the



                                       5
<PAGE>


Corporation or its subsidiaries, except for the matters disclosed in the SEC
Reports.

     4.8 Tax Matters. The Corporation and its subsidiaries have filed on a
timely basis all tax returns required to be filed by them and have paid their
taxes prior to delinquency, and have made adequate accruals for tax liabilities
on the Financial Statements in accordance with generally accepted accounting
principles.

     4.9 ERISA Compliance. Neither the Corporation nor any of its Subsidiaries
has incurred any material funding deficiency within the meaning of the Employee
Retirement Income Security Act of 1974, as amended ("ERISA") or any material
liability to the Pension Benefit Guarantee Corporation in connection with any
employee benefit plan. The Corporation and its subsidiaries are in compliance
in all material respects with all applicable provisions of ERISA, and have no
obligations with respect to any multi-employer plan. No "reportable event" as
such term is defined in ERISA, which may result in any material liability, has
occurred with respect to any employee benefit or other plan maintained for
employees of the Corporation or any subsidiary.

     4.10 Environmental Matters. Except as disclosed in the SEC Reports, neither
the Corporation nor any of its subsidiaries (i) has been notified by any
governmental authority that it is, or may be, a Responsible Party with respect
to cleanup or remediation of any environmental condition or hazardous waste
site, (ii) has violated any law, regulation, order or requirement of
governmental authority with respect to Hazardous Substances, or (iii) has
incurred any material liability for violation or noncompliance with applicable
Environmental Regulations. The term "Environmental Regulations" means any law,
regulation, order or requirement relating to protection of the environment,
including without limitation, the Clean Air Act, the Clean Water Act, the
Comprehensive Environmental Response, Compensation and Liability Act, the
Resource Conservation and Recovery Act, the Hazardous Materials Transportation
Act and the Toxic Substances Control Act. The term "Hazardous Substances" means
any substance defined or listed as such in any Environmental Regulation.

     4.11 Other Matters. The Corporation is not now and will not be after giving
effect to the receipt of the proceeds from the sale of the Stock an "Investment
Company" within the meaning of the Investment Company Act of 1940, nor will it
be controlled by or acting on behalf of any person which is such an investment
company. The Corporation is not selling the Stock "for the purpose of purchasing
or carrying any margin stock" within the meaning of Regulation G of the Board of
Governors of the Federal Reserve System. The Corporation has not offered the
Stock to any person other than the Purchaser.


                                       6
<PAGE>


                                   SECTION 5

                 Representations and Warranties of the Purchaser

     The Purchaser represents and warrants to the Corporation that:

     5.1 Corporate Power and Authority. It is validly existing and in good
standing with all requisite power and authority to enter into this Agreement and
carry out its obligations hereunder and has taken all actions necessary to
authorize it to enter into this Agreement and carry out such obligations.

     5.2 Investment. It is acquiring the Stock for investment and not with the
view to, or for resale in connection with, any distribution thereof. It is an
"accredited investor" within the meaning or the Securities Act of 1933 and the
rules thereunder. It understands that the Stock has not been registered under
the Securities Act of 1933 nor qualified under any State blue sky law by reason
of specified exemptions therefrom which depend upon, among other things, the
bona fide nature of its investment intent as expressed herein.

     5.3 Rule 144. It acknowledges that the Stock must be held indefinitely
unless it is subsequently registered under the Securities Act of 1933 or an
exemption from such registration is available. It has been advised or is aware
of the provisions of Rule 144 promulgated under the Securities Act.

                                    SECTION 6

                   Conditions to Obligations of the Purchaser

     The obligation of the Purchaser to purchase the Stock is subject to the
fulfillment on or prior to the Closing Date of each of the following conditions:

          (a) Representations and Warranties. The representations and warranties
     of the Corporation shall be true and correct in all material respects on
     the Closing Date.

          (b) Performance. All covenants, agreements and conditions contained in
     this Agreement to be performed or complied with by the Corporation on or
     prior to the Closing Date shall have been performed or complied with in all
     material respects.

          (c) Opinion of Corporation's Counsel. The Purchaser shall have
     received from counsel to the Corporation an opinion confirming the
     representations set forth in the first sentence of Section 4.3 hereof, and
     on the basis of such counsel's review of the Other Agreements and
     certificates of officers of the



                                       7
<PAGE>


     Corporation as to factual matters, confirming the representations set forth
     in the second and third sentences of Section 4.3 hereof.

          (d) Legal Issuance. At the time of the Closing, the issuance and
     purchase of the Stock shall be legally permitted by all laws and
     regulations to which the Purchaser and the Corporation are subject.

          (e) Proceedings and Documents. All corporate and other proceedings in
     connection with the transactions contemplated hereby and all documents and
     instruments incident to such transactions shall be satisfactory in form and
     substance to the Purchaser and its counsel.

          (f) Satisfaction of Obligations to Broker. The Corporation shall have
     furnished the Purchaser with assurances satisfactory to the Purchaser that
     the Corporation has satisfied its obligations to any broker entitled to
     compensation in connection with the sale of the Stock.



                                       8
<PAGE>


                                    SECTION 7

                  Conditions to Obligations of the Corporation

     The Corporation's obligation to sell the Stock is subject to the
fulfillment on or prior to the Closing Date of each of the following conditions:

          (a) Representations and Warranties. The representations and warranties
     made by the Purchaser shall be true and correct in all material respects on
     the Closing Date.

          (b) Legal Issuance. At the time of the Closing, the issuance and
     purchase of the Stock shall be legally permitted by all laws and
     regulations to which the Purchaser and the Corporation are subject.

          (c) Payment. The Corporation shall concurrently receive payment for
     the Stock as provided in Section 2.

                                    SECTION 8

                              Covenant to Register

     (a) For purposes of this Section 8, the following definitions shall apply:

          (i) The terms "register", "registered", and "registration" refer to a
     registration under the Securities Act of 1933, as amended (the "Act")
     effected by preparing and filing a registration statement or similar
     document in compliance with the Act or an amendment thereto, and the
     declaration or ordering of effectiveness of such registration statement,
     document or amendment thereto.

          (ii) The term "Registrable Securities" means the Stock and any
     securities of the Corporation or securities of any successor corporation
     issued as, or issuable upon the conversion or exercise of any warrant,
     right or other security that is issued as, a dividend or other distribution
     with respect to, or in exchange for or in replacement of, the Stock.

          (b) (i) At any time after one hundred and twenty (120) days after the
     date of this Purchase Agreement and from time to time thereafter, Purchaser
     shall have the right to require by notice in writing that the Corporation
     register all or any part of the Registrable Securities held by Purchaser (a
     "Demand Registration") and the Corporation shall thereupon effect such
     registration in accordance herewith. The Corporation agrees to file a
     registration statement (Form S-




                                       9
<PAGE>


     3) in order to register the Common Stock and to cause such registration
     statement to be declared effective within ninety (90) days of Closing. A 3%
     cash penalty will accrue for every thirty (30) days after such date that
     the securities remain unregistered. The penalty shall be pro-rated for
     periods of less than thirty (30) days.

          (ii) The Corporation Shall not be obligated to effect Demand
     Registration (i) if all of the Registrable Securities held by Purchaser
     which are intended to be covered by the Demand Registration are, at the
     time of the request of a Demand Registration, included in an effective
     registration statement and the Corporation is in compliance with its
     obligations under Subsection (d)(ii) through (i) hereof with respect to
     much registration statement, or (ii) within 120 days after the effective
     date of any other registration as to which Purchaser was given piggy-back
     rights pursuant to subsection (c) hereof and in which Purchaser was able to
     register and sell at least eighty percent (80%) of the Registrable
     Securities requested by Purchaser to be included in such registration.

     (c) If the Corporation proposes to register (including for this purpose a
registration effected by the Corporation for shareholders other than the
Purchaser) any of its stock or other securities under the Act in connection with
a public offering of such securities (other than a registration on Form S-4,
Form S-8 or other limited purpose form) and the Registrable Securities have not
heretofore been included in a registration statement under Subsection (b), which
remains effective, the Corporation shall, at such time, promptly give the
Purchaser written notice of such registration. Upon the written request of the
Purchaser given within twenty (20) days after receipt of such notice by the
Purchaser, the Corporation shall cause to be registered under the Act all of the
Registrable Securities that the Purchaser has requested to be registered.
However, the Corporation shall have no obligation under this Subjection (c) to
the extent that, with respect to a public offering registration, any underwriter
of such public offering reasonably requests that the Registrable Securities or a
portion thereof be excluded therefrom.

     (d) Whenever required under this Section 8 to effect the registration of
any Registrable Securities, the Corporation shall, as expeditiously as
reasonably possible:

          (i) Prepare and file with the SEC a registration statement with
     respect to such Registrable Securities and use its best efforts to cause
     such registration to become effective and, upon the request of the
     Purchaser, keep such registration statement effective for so long as
     Purchaser desires to dispose of the securities covered by such registration
     statement (but not after Purchaser in the reasonable opinion of its counsel
     is free to sell such


                                       10
<PAGE>


     securities under the provisions of Rule 144(k) under the Act).

          (ii) Prepare and file with the SEC such amendments and supplements to
     such registration statements and the prospectus used in connection with
     such registration statement as may be necessary to comply with the
     provisions of the Act with respect to the disposition of all securities
     covered by such registration statement.

          (iii) Furnish to the Purchaser such numbers of copies of a prospectus,
     including a preliminary prospectus, in conformity with the requirements of
     the 1933 Act, and such other documents as the Purchaser may reasonably
     request in order to facilitate the disposition of Registrable Securities
     owned by Purchaser.

          (iv) Use its best efforts to register and qualify the securities
     covered by such registration statement under such other securities or Blue
     Sky laws of such jurisdictions as shall be reasonably requested by
     Purchaser, provided that the Corporation shall not be required in
     connection therewith or as a condition thereto to qualify to do business or
     to file a general consent to service and process in any such states or
     jurisdiction.

          (v) Notify Purchaser of the happening of any event as a result of
     which the prospectus included in such registration statement, as then in
     effect, includes an untrue statement of material fact or omits to state a
     material fact required to be stated therein or necessary to make the
     statements therein not misleading in light of the circumstances then
     existing.

          (vi) Furnish, at the request of Purchaser, an opinion of counsel of
     the Corporation, dated the effective date of the registration statement, as
     to the due authorization and issuance of the securities being registered
     and compliance with securities laws by the Corporation in connection with
     the authorization and issuance thereof.

     (e) The Purchaser will furnish to the Corporation in connection with any
registration under this Section 8 such information regarding itself, the
Registrable Securities and other securities of the Corporation held by it, and
the intended method of disposition of such securities as shall be required to
effect the registration of the Registrable Securities held by Purchaser.

          (f) (i) The Corporation shall indemnify, defend and hold harmless each
     holder of Registrable Securities which are included in a registration
     statement pursuant to the provisions of Subsections (b) or (c), any
     underwriter (as defined in the Act) for such holder, and the directors,


                                       11
<PAGE>



     officers and controlling persons of such holder or underwriter from and
     against, and shall reimburse all of them with respect to, any and all
     claims, suits, demands, causes of action, losses, damages, liabilities,
     costs or expenses ("Liabilities") to which any of them may become subject
     under the Act or otherwise, arising from or relating to (A) any untrue
     statement or alleged untrue statement of any material fact contained in
     such registration statement, any prospectus contained therein or any
     amendment or supplement thereto, or (B) the omission or alleged omission to
     state therein a material fact required to be stated therein or necessary to
     make the statements therein, in light of the circumstances in which they
     were made, not misleading; provided, however, that the Corporation shall
     not be liable in any such case to the extent that any such Liability arises
     out of or is based upon an untrue statement or alleged untrue statement or
     omission or alleged omission so made in conformity with information
     furnished by such person in writing specifically for use in the preparation
     thereof.

          (ii) Each holder of Registrable Securities included in a registration
     pursuant to the provisions of Subsection (b) or (a) shall indemnify,
     defend, and hold harmless the Corporation, its directors and officers, and
     shall reimburse the Corporation, its directors and officers with respect
     to, any and all Liabilities to which any of them may become subject under
     the Act or otherwise, arising from or relating to (A) any untrue statement
     or alleged untrue statement of any material fact contained in such
     registration statement, any prospectus contained therein or any amendment
     or supplement thereto, or (B) the omission or alleged omission to state
     therein a material fact required to be stated therein or necessary to make
     the statements therein, in light of the circumstances in which they were
     made, not misleading, in each case to the extent, but only to the extent,
     that such untrue statement or alleged untrue statement or omission or
     alleged omission was so made in reliance upon and in strict conformity with
     written information furnished by or on behalf of such holder specifically
     for use in the preparation thereof.

          (iii) Promptly after receipt by an indemnified party pursuant to the
     provisions of Subsection (f) (i) or (f) (ii) of notice of the commencement
     of any action involving the subject matter of the foregoing indemnity
     provisions, such indemnified party shall, if a claim thereof is to be made
     against the indemnifying party pursuant to the provisions of Subsection
     (f)(i) or (f)(ii), promptly notify the indemnifying party of the
     commencement thereof; provided, however, that the failure to so notify the
     indemnifying party shall not relieve it from its indemnification
     obligations hereunder except to the extent that the indemnifying party is
     materially prejudiced by such failure. If such action is


                                       12
<PAGE>



     brought against any indemnified party and it notifies the indemnifying
     party of the commencement thereof, the indemnifying party shall have the
     right to participate in, and, to the extent that it may wish, jointly with
     any other indemnifying party similarly notified, to assume the defense
     thereof, with counsel satisfactory to such indemnified party; provided,
     however, if the defaults in any action include both the indemnified party
     and the indemnifying party and the indemnified party shall have reasonably
     concluded that there may be legal defenses different from or in addition to
     those available to the indemnifying party, or if there is conflict of
     interest which would prevent counsel for the indemnifying party from also
     representing the indemnified party, the indemnified party shall have the
     right to select separate counsel to participate in the defense of such
     action on behalf of such indemnified party. After notice from the
     indemnifying party to such indemnified party of its election so to assume
     the defense thereof, the indemnifying party shall not be liable to such
     indemnified party pursuant to Subsection (f)(i) or (f)(ii) for any expense
     of counsel subsequently incurred by such indemnified party in connection
     with the defense thereof other than reasonable costs of investigation,
     unless (A) the indemnified party shall have employed counsel in accordance
     with the provisions of the preceding sentence, or (B) the indemnifying
     party shall not have employed counsel satisfactory to the indemnified party
     to represent the indemnified party within a reasonable time after the
     notice of the commencement of the action. An indemnifying party shall not
     be responsible for amounts paid in settlement without its consent, provided
     that its consent may not be unreasonably withheld.

          (g) (i) With respect to the inclusion of Registrable Securities in a
     registration statement pursuant to subsections (b) or (c), all fees, costs
     and expenses of and incidental to such registration, inclusion and public
     offering shall be borne by the Corporation; provided, however, that any
     securityholders participating in such registration shall bear their pro
     rata share of the underwriting discounts and commissions, if any.

          (ii) The fees, costs and expenses of registration to be borne by the
     Corporation as provided in this Subsection (g) shall include, without
     limitation, all registration, filing and NASD fees, printing expenses, fees
     and disbursements of counsel and accountants for the Corporation, and all
     legal fees and disbursements and other expenses of complying with state
     securities or Blue Sky laws of any jurisdiction or jurisdictions in which
     securities to be offered are to be registered and qualified. Fees and
     disbursements of counsel and accountants for the selling securityholders
     shall, however, be borne by the respective selling securityholder.


                                       13
<PAGE>


     (h) The rights to cause the Corporation to register all or any portion of
Registrable Securities pursuant to this Section 8 may be assigned by Purchaser
to a transferee or assignee of 20% or more of the Stock. Within a reasonable
time after such transfer the Purchaser shall notify the Corporation of the name
and address of such transferee or assignee and the securities with respect to
which such registration rights are being assigned. Such assignment shall be
effective only if immediately following such transfer the further disposition of
such securities by the transferee or assignee is restricted under the Act. Any
transferee asserting registration rights hereunder shall be bound by the
provisions of this Section 8.


     (i) From and after the date of this Agreement, the Corporation shall not
agree to allow the holders of any securities of the Corporation to include any
of their securities in any registration statement filed by the Corporation
pursuant to Subsection (b) unless the inclusion of such securities will not
reduce the amount of the Registrable Securities included therein.

                                    SECTION 9

                    Affirmative Covenants of the Corporation

     The Corporation hereby covenants that, during such time as the Purchaser
(or one of its affiliates) owns any Stock, or for four years, whichever period
is shorter.

     9.1 Reports and Financial Statements.

     (a) The Corporation will cause its common stock to continue to be
registered under Sections 12(b) or 12(g) of the Securities Exchange Act of 1934,
will comply in all respects with its reporting and filing obligations under said
Act, and will not take any action or file any document (whether or not permitted
by said Act or the rules thereunder) to terminate or suspend such registration
or to terminate or suspend its reporting and filing obligations under said Act.
The Corporation will take all action necessary to continue the listing or
trading of its common stock on any national securities exchange or the Automated
Quotation System of the National Association of Securities Dealers on which such
common stock is listed or traded, and will comply in all respects with its
reporting, filing and other obligations under the bylaws or rules of said
exchange or Association.

     (b) The Corporation will furnish to the Purchaser, concurrently with the
distribution or filing thereof, each annual and quarterly report to its
shareholders, its reports on Form 1OK and 1OQ, and each other report,
registration statement, definitive proxy statement or other document filed with
the S.E.C., and each press release or other public announcement issued by the
Corporation.


                                       14
<PAGE>


     9.2 Maintenance of Office. The Corporation will maintain an office or
agency in the United States at such address an may be designated in writing from
time to time to the registered holders of the Stock, where notices,
presentations and demands to or upon the Corporation in respect of the Stock may
be given or made. Unless or until another office or agency is designated by the
Corporation, such office shall be at the address set forth adjacent to the name
of the Corporation at the foot of this Agreement.

     9.3 Maintenance and Compliance. The Corporation will (i) maintain its
corporate existence, rights, powers and privileges in good standing, (ii)
cheaply in all material respects with all laws and governmental regulations and
restrictions applicable to its business or properties, (iii) keep records and
books of account and maintain a system of internal accounting controls in
accordance with generally accepted accounting principles and in compliance with
Section 13(b)(2) of the Securities Exchange Act of 1934, and (iv) retain
independent public accountants of recognized national standing as auditors of
the Corporation's annual financial statements.

     9.4 Assignments of Rights. The rights of the Purchaser hereunder may be
assigned by the Purchaser in connection with the transfer or assignment to a
single transferee of not less than 20% of the Stock originally purchased by the
Purchaser hereunder, and such rights may be further reassigned by such
transferee to another such single transferee. Any transferee asserting rights
under this Agreement shall be bound by its provisions.

     9.5 Effect of Covenants. The covenants in Sections 9.1 and 9.3 shall not be
deemed to prohibit a merger, sale of all assets or other corporate
reorganization if (i) the entity surviving or succeeding to the Corporation is
bound by this Agreement with respect to its securities issued in exchange for or
replacement of the Stock, or (ii) the consideration received in exchange for or
replacement of the Stock is cash.

                                   SECTION 10

                                 Legend on Stock

     Each certificate representing the Stock shall be stamped or otherwise
imprinted with a legend substantially in the following form (in addition to any
legend required under any applicable state securities laws):



                                       15
<PAGE>


          THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF
          1933 OR ANY STATE SECURITIES LAWS. THEY MAY NOT BE SOLD OR OFFERED FOR
          SALE IN THE ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT AS TO THE
          SECURITIES UNDER SAID ACT AND ANY APPLICABLE STATE SECURITIES LAW OR
          AN OPINION OF COUNSEL SATISFACTORY TO THE CORPORATION THAT SUCH
          REGISTRATION IS NOT REQUIRED.

     Upon request of a holder of Stock the Corporation shall remove the
foregoing legend or issue to such holder a new certificate therefor free of any
such legend, if the Corporation shall have received either an opinion of counsel
or a "no-action" letter of the S.E.C., in either case reasonably satisfactory in
substance to the Corporation and its counsel, to the effect that such legend is
no longer required.

                                   SECTION 11

                                  Miscellaneous

     11.1 Governing Law. This Agreement shall be governed by and construed in
accordance with the laws of the State of California. Any action or proceeding
relating to this Agreement may be brought in the courts of California sitting in
Los Angeles County, or in the United States courts located in Los Angeles
County, California, and each of the parties irrevocably consents to the
jurisdiction of such courts in any such action or proceeding.

     11.2 Successors and Assigns. Except as otherwise expressly provided herein,
the provisions hereof shall inure to the benefit of and be binding upon the
successors and assigns of the parties.

     11.3 Entire Agreement; Amendment. This Agreement (including any exhibits
hereto) and the other documents delivered pursuant hereto constitute the full
and entire understanding and agreement between the parties with regard to the
subjects hereof and thereof. Neither this Agreement nor any term hereof may be
amended, waived, discharged or terminated except by a written instrument signed
by the Corporation and the Purchaser.

     11.4 Notices, etc. All notices and other communications required or
permitted hereunder shall be mailed by first-class mail, postage prepaid, or
delivered either by hand or by messenger, addressed (a) if to the Purchaser, as
indicated below the Purchasers signature, or at such other address as the
Purchaser shall have furnished to the Corporation in writing, or (b) if to any
other holder of any Stock, at the address of such holder as shown on the records
of the Corporation, or (c) if to the Corporation, at its address set forth below
or at such other


                                       16
<PAGE>

address as the Corporation shall have furnished to the Purchaser and each such
other holder in writing. All such notices or communications shall be deemed
given when actually delivered by hand, messenger, facsimile or mailgram or, if
mailed, three days after deposit In the U.S. mail.

     11.5 Delays or Omissions. No delay or omission to exercise any right, power
or remedy accruing to any party to this Agreement (including any holder of
Stock), upon any breach or default of another party under this Agreement, shall
impair any such right, power or remedy of such party nor shall it be construed
to be a waiver of any such breach or default, or an acquiescence therein, or of
or is any similar breach or default thereafter occurring; nor shall any waiver
of any single breach or default be deemed a waiver of any other breach or
default theretofore or thereafter occurring. All remedies, either under this
Agreement or by law or otherwise afforded to any party, shall be cumulative and
not alternative.

     11.6 Severability. In case any provision of the Agreement shall be invalid,
illegal or unenforceable, the validity, legality and enforceability of the
remaining provisions shall not in any way be affected or impaired thereby.

     11.7 Titles and Subtitles. The titles of the Sections and subsections of
this Agreement are for convenience of reference only and are not to be
considered in construing this Agreement.

     11.8 Counterparts. This Agreement may be executed in any number of
counterparts, each of which shall be an original, but all of which together
shall constitute one instrument.

     IN WITNESS WHEREOF, the parties have caused this Agreement to be executed
and delivered by their duly authorized officers as of the day and year first
written above.

                         Commodore Applied Technologies, Inc.

                         By:  /s/ Michael D. Fullwood
                              -------------------------------
                              Michael D. Fullwood
                              Senior Vice President and Chief
                              Administrative and Financial Officer
                         Address: 150 East 58th Street
                                  Suite 3400
                                  New York, NY 10155


                    [Signatures continued on following page]



                                       17
<PAGE>


                         ELARA LTD.

                         By: /s/
                              -------------------------------
                         Address:  c/o Talisman Capital
                                   16101 LaGrande Drive, #100
                                   Little Rock, Arkansas 72211


                                       18

<PAGE>


                                                                     EXHIBIT 5.1

          [Greenberg Traurig Hoffman Lipoff Rosen & Quentel letterhead]


                                 October 21, 1997


Commodore Applied Technologies, Inc.
150 East 58th Street, Suite 3400
New York, New York 10155

          Re:  Registration Statement on Form S-3
               ----------------------------------

Ladies and Gentlemen:

         We have acted as counsel to Commodore Applied Technologies, Inc., a
Delaware corporation (the "Company"), in connection with the preparation of a
Registration Statement on Form S-3 (the "Registration Statement") to be filed
under the Securities Act of 1933, as amended (the "Securities Act"), for the
registration of an aggregate of 4,933,895 shares of the Company's common stock,
par value $.001 per share (the "Common Stock"), including: (a) 2,308,651 shares
of Common Stock (subject to adjustment) which may be transferred upon conversion
of an aggregate of 83,400 shares of 7% Series D Convertible Preferred Stock, par
value $0.01 per share and liquidation preference of $100 per share (the "Series
D Preferred Stock"), of Commodore Environmental Services, Inc., a Delaware
corporation and the owner of 66.6% of the outstanding shares of Common Stock of
the Company ("Environmental"); (ii) 1,260,000 shares of Common Stock (subject to
adjustment) which may be transferred upon exercise of certain five-year common
stock purchase warrants (the "Environmental Warrants"), which were issued by
Environmental to the holders of the Series D Preferred Stock; (iii) 460,948
shares of Common Stock (subject to adjustment) which may be issued upon
conversion of 18,000 shares of 7% Series A Convertible Redeemable Preferred
Stock, par value $0.001 per share and liquidation preference of $100 per share
(the "Series A Preferred Stock"), of the Company; (iv) 700,000 shares of Common
Stock (the "Private Placement Shares") issued to certain investors in connection
with a private placement of Common Stock by the Company on September 30, 1997
and October 7, 1997 (the "Common Stock Private Placement"); (v) 79,407 shares of
Common Stock (subject to adjustment) which may be issued upon exercise of
certain five-year common stock purchase warrants (the "Company Warrants"), which
were issued by the Company in connection with the sale of the Series A Preferred
Stock and the Common Stock Private Placement; and (vi) 124,889 shares of Common
Stock transferred to certain investors upon conversion of an aggregate of 4,600
shares of Series D Preferred Stock on September 29, and October 14, 1997. The
shares of Common Stock which have been and may be transferred upon conversion of
the Series D Preferred Stock and upon exercise of the Environmental Warrants
have been and will be transferred from the account of Environmental, which
currently owns 14,875,111 shares of Common Stock of the Company. The opinion set
forth below relates only to the transfer of 3,568,651 shares of Common Stock
(subject to adjustment) currently owned by Environmental upon conversion of the
Series D Preferred Stock and upon exercise of the Environmental Warrants, and
the original issuance by the Company of 540,355 shares of Common Stock (subject
to adjustment) upon conversion of the Series A Preferred Stock and upon exercise
of the Company Warrants (collectively, the "Shares").


<PAGE>

         In connection with this opinion, we have examined the Registration
Statement, the Company's Certificate of Incorporation, By-Laws and minutes, and
such other documents and records as we have deemed relevant. In our
examinations, we have assumed the genuineness of all signatures, the
authenticity of all documents submitted to us as originals, and the conformity
with the originals of all documents submitted to us as copies. In addition, we
have made such other examinations of law and of fact as we have deemed
appropriate in order to form a basis for the opinion hereinafter expressed.

         With respect to the transfer of the 3,568,651 Shares (subject to
adjustment) by Environmental upon conversion of the Series D Preferred Stock and
upon exercise of the Environmental Warrants, and the issuance of the 540,355
Shares (subject to adjustment) by the Company upon conversion of the Series A
Preferred Stock and upon exercise of the Company Warrants, we have assumed that
the Shares will be transferred or issued, and the certificates evidencing the
same will be duly delivered, in accordance with the provisions of the
certificates of designations, rights and preferences of the Series D Preferred
Stock and the Series A Preferred Stock, and in accordance with the terms of the
Environmental Warrants and the Company Warrants, as the case may be, and against
receipt of the consideration stipulated therefor, which will not be less than
the par value of the Shares.

         Based on the foregoing, we are of the opinion that the Shares have been
duly authorized and, when transferred or issued and paid for in accordance with
the foregoing assumptions, will be validly issued, fully paid and
non-assessable.

         The opinion set forth above is limited to the Delaware General
Corporation Law, as amended.

         We hereby consent to the filing of this opinion as an exhibit to the
Registration Statement. In giving this opinion and consent, we do not thereby
admit that we are acting within the category of persons whose consent is
required under Section 7 of the Securities Act, or the rules and regulations of
the Securities and Exchange Commission promulgated thereunder.

                                Very truly yours,


                                /s/ GREENBERG TRAURIG 
                                HOFFMAN LIPOFF ROSEN &
                                QUENTEL


<PAGE>

LETTERHEAD OF
MORRISON KNUDSEN CORPORATION
MK-FERGUSON GROUP

PROC-97-RW-16405

October 1, 1997

Advanced Sciences, Inc.
2340 Menaul Boulevard NE, Ste. 400
Albuquerque, New Mexico 87107

ATTENTION:     Peter E. Harrod, P.E.

SUBJECT:       Subcontract No. 3589-SC-WP97106
               ORGANIC WASTE TREATABILITY STUDY USING SOLVATED
               NOTICE OF AWARD

Dear Mr. Harrod:

This letter confirms Notice of Award to Advanced Sciences, Inc. of Subcontract
No. 3589-SC-WP97106 for the not-to-exceed amount of $119,900.00 as stated on the
revised pricing schedule in your proposal. Please note that all work covered by
this subcontract must be completed within 75 calendar days after this Notice of
Award.

Enclosed are four (4) copies of the subcontract, three (3) of which must be 
signed and returned to Ruth H. Watson at the above address for execution by 
MK-Ferguson. An executed copy will be returned to you for your records. In 
addition, for your use in the performance of this subcontract, we will provide
you with five (5) controlled sets of approved-for-construction Specifications,
Drawings, Special Conditions, and the Subcontract Health and Safety Plan, as
required by General Condition GC-2.

You are hereby directed to submit to Ruth H. Watson without delay all 
documentation regarding this subcontract. Before work can start at the site, you
must receive a Notice to Proceed from the Subcontract Administrator.

<PAGE>

Page 2 NOTICE OF AWARD

Ruth H. Watson will be the Subcontract Administrator. All correspondence 
regarding this subcontract, except vendor data submittals, must be directed to
the Subcontract Administrator at the above address. Vendor data must be 
submitted to Del Harmon, the Title III Engineer, at the same address.

Other MK-Ferguson personnel who will be responsible for providing administrative
and technical direction and support for the work under this subcontract are:

     Mark R. Lewis, Procurement Manager

     Sheryl Hodges, Project Manager

     Earl Dowell, Construction Engineer

Very truly yours,



/s/ W. R. Bryant
- ---------------------
Mark R. Lewis
Procurement Manager

MRL/RHW/kah
Enclosures: as stated


<PAGE>

                                                                    EXHIBIT 23.1





               CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

         We hereby consent to the incorporation by reference in the Registration
Statement on Form S-3 of our report dated January 19, 1996, relating to the
consolidated financial statements of Commodore Applied Technologies, Inc. (the
"Company") for the year ended December 31, 1995, which appears on page F-1A of
the Company's Annual Report on Form 10-K for the year ended December 31, 1996,
and to the reference to our Firm under the caption "Experts" in the Prospectus.


/s/ Tanner + Co.
- -----------------------
Tanner + Co.


Salt Lake City, Utah
October 21, 1997




<PAGE>


                                                                    EXHIBIT 23.2




                       CONSENT OF INDEPENDENT ACCOUNTANTS

         We hereby consent to the incorporation by reference in the Prospectus
constituting a part of this Registration Statement on Form S-3 of our report
dated April 11, 1997 appearing on page F-1 of Commodore Applied Technologies,
Inc.'s Annual Report on Form 10-K for the year ended December 31, 1996. We also
consent to the reference to us under the caption "Experts" in such Prospectus.


/s/ Price Waterhouse LLP


Philadelphia, Pennsylvania
October 21, 1997



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