Document:

EXHIBIT 10.45
                                                                   -------------

                          REGISTRATION RIGHTS AGREEMENT

                            DATED: September 15, 2000

                  With reference to that certain Promissory Note of even date
herewith (the "Promissory Note") by and between, S. Brewer Enterprises, Inc. a
corporation ("Brewer") and COMMODORE APPLIED TECHNOLOGIES, INC., a Delaware
corporation ("CXI"), whereby Brewer loaned CXI Five Hundred Thousand Dollars
($500,00.00) and that certain Warrant of even date herewith (the "Warrant") by
and between, Brewer and CXI, and in order to induce the Brewer to enter into the
Promissory Note and the Warrant, and for other valuable consideration, the
receipt and sufficiency of which is hereby acknowledged, the parties hereby
agree as follows:

                  1. As soon as practicable following receipt by CXI of each
notice that Brewer has exercised his Warrant to acquire shares of common stock
of CXI, CXI shall register on a short form registration statement under the
Securities Act of 1933, as amended (the "Securities Act"), not less than that
number of shares of CXI Common Stock issuable to the Brewer pursuant to each
such exercise of the Warrant. Such shares are referred to hereinafter as the
"Registrable Securities."

                  2. Until a Registration Statement has become effective under
the Securities Act with respect to any Registrable Securities, each certificate
representing such Registrable Securities, and all certificates and instruments
issued in transfer thereof, shall be endorsed with the following restrictive
legend:

         "THE SHARES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
         UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"),
         AND HAVE BEEN TAKEN FOR INVESTMENT PURPOSES ONLY AND NOT WITH A VIEW TO
         THE DISTRIBUTION THEREOF, AND NEITHER SUCH SHARES NOR ANY INTEREST
         THEREIN MAY BE SOLD, TRANSFERRED, ASSIGNED OR PLEDGED, EXCEPT IF
         REGISTERED UNDER THE SECURITIES ACT AND APPLICABLE STATE BLUE SKY OR
         SECURITIES LAWS OR EXEMPTIONS FROM SUCH REGISTRATION OR QUALIFICATION
         REQUIREMENTS ARE AVAILABLE."

At such time as any Registrable Securities cease to be Registrable Securities
pursuant to Section 1, CXI shall, upon the request of any Stockholder with
respect to such securities, issue to such Stockholder a replacement certificate
without such legend in exchange for any certificate bearing such legend.

<PAGE>

                  3. If any of a Brewer's Registrable Securities are registered
hereunder, CXI shall furnish to such Stockholder, at CXI's expense, such number
of copies of the Registration Statement and each amendment and supplement
thereto, preliminary prospectus, final prospectus and such other documents as
Brewer may reasonably requests.

                  4. If any of Brewer's Registrable Securities are registered
hereunder, CXI shall promptly, at CXI's expense, use its reasonable efforts to
register or qualify the Registrable Securities covered by the Registration
Statement under such state securities or blue sky laws of such jurisdictions as
Brewer may reasonably request, except that CXI shall not for any purpose be
required to execute a general consent to service of process or to qualify to do
business as a foreign corporation in any jurisdiction where it is not so
qualified.

                  5. If Brewer's Registrable Securities are registered
hereunder, CXI shall notify Brewer, promptly after it shall receive notice
thereof, of the date and time when the Registration Statement and each
post-effective amendment thereto has become effective or a supplement to any
prospectus forming a part of the Registration Statement has been filed.

                  6. If Brewer's Registrable Securities are registered
hereunder, CXI shall advise Brewer, promptly after it shall receive notice or
obtain knowledge thereof, of the issuance of any stop order by the Securities
Exchange Commission (the "Commission") suspending the effectiveness of the
Registration Statement or the initiation or threatening of any proceeding for
such purpose and promptly use its best efforts to prevent the issuance of any
stop order or to obtain its withdrawal if such stop order should be issued.

                  7. If Brewer's Registrable Securities are registered
hereunder, (a) CXI agrees to bear all Commission registration and filing fees,
printing and mailing expenses, NASD filing fees and expenses incurred by any
person or entity in connection therewith, fees, disbursements of counsel and
accountants for CXI and any underwriters, brokers and dealers and all expenses
and fees incident to an application for listing the shares of CXI Common Stock
on the American Stock Exchange, and (b) Brewer agrees to bear, pro rata (or as
they may otherwise agree), all fees and disbursements of counsel for Brewer and
any discounts, commissions and fees of any underwriters, brokers and dealers
with respect to the Registrable Securities sold in connection with such
registration.

                                       2
<PAGE>

                  8. (a) CXI hereby agrees to indemnify and hold harmless Brewer
from and against, and agrees to reimburse Brewer with respect to, any and all
claims, actions (actual or threatened), demands, losses, damages, liabilities,
costs and expenses to which Brewer may become subject under the Securities Act
or otherwise, insofar as such claims, actions, demands, losses, damages,
liabilities, costs or expenses are caused by any untrue statement or alleged
untrue statement of any material fact contained in the Registration Statement,
any prospectus contained therein, or any amendment or supplement thereto, or are
caused by the omission or alleged omission to state therein a material fact
required to be stated therein or necessary to make the statements therein not
misleading; provided, however, that CXI shall not be liable in any such case to
the extent that any such claim, action, demand, loss, damage, liability, cost or
expense is caused by an untrue statement or alleged untrue statement or omission
or alleged omission so made in conformity with information furnished in writing
by Brewer for use in the preparation thereof.

                      (b) Brewer hereby agrees to indemnify and hold harmless
CXI, its officers, directors, legal counsel and accountants and each person or
entity who controls CXI within the meaning of the Securities Act, from and
against, and agrees to reimburse CXI, its officers, directors, legal counsel,
accountants and controlling persons or entities with respect to any and all
claims, actions, demands, losses, damages, liabilities, costs or expenses to
which CXI, its officers, directors, legal counsel, accountants or such
controlling persons or entities may become subject under the Securities Act or
otherwise, insofar as such claims, actions, demands, losses, damages,
liabilities, costs or expenses are caused by any untrue or alleged untrue
statement of any material fact contained in the Registration Statement, any
prospectus contained therein or any amendment or supplement thereto, or are
caused by the omission or the alleged omission to state therein a material
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 conformity with information furnished in writing by Brewer for use in the
preparation thereof.

                      (c) If any claim shall be asserted against any person or
entity (an "Indemnified Person") for which such person or entity intends to seek
indemnification pursuant to Section 8(a) or (b) from the other party hereto (the
"Indemnifying Person"), as the case may be, such Indemnified Person shall give
prompt written notice to the Indemnifying Person of the nature of such claim,
but the failure to give such notice shall not relieve the Indemnifying Person of
its obligations under this Section 8 unless it has been prejudiced substantially
thereby. The Indemnifying Person shall have the right to conduct, at its
expense, through counsel of its own choosing, which counsel is approved by the
Indemnified Person (which approval may not be unreasonably withheld), the
defense of any such claim, and may compromise or settle such claims with the
prior consent of the Indemnified Person (which consent shall not be unreasonably
withheld); provided, that (i) if the Indemnifying Person does not elect to
conduct the defense of any such claim, the Indemnified Person may undertake to
conduct the defense of such claim and the Indemnifying Person shall be
responsible for the fees and disbursements of the Indemnified Person's legal
counsel in connection with such defense and (ii) if the person or entity that is
not conducting the defense desires to join in such defense, it may elect to do
so at its own cost by retaining legal counsel acceptable to the person or entity
conducting the defense (which acceptance shall not be unreasonably withheld).

                   9. The rights and privileges of this Registration Rights
Agreement may inure to the benefit of other stockholders of the Company;
provided, that CXI's obligations to any one or more such stockholders shall be
subject to their execution of an addendum or joinder agreement substantially
similar in form and content to this Agreement.

                                       3
<PAGE>

                   10. THIS AGREEMENT SHALL BE CONSTRUED (BOTH AS TO VALIDITY
AND PERFORMANCE) AND ENFORCED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE
STATE OF DELAWARE APPLICABLE TO AGREEMENTS MADE AND TO BE PERFORMED WHOLLY
WITHIN SUCH JURISDICTION

         IN WITNESS WHEREOF, this Agreement has been duly executed by or on
behalf of each party hereto on the date set forth above.

                                      COMMODORE APPLIED TECHNOLOGIES, INC.

                                      By:  /s/ Paul E. Hannesson
                                      ------------------------------------------
                                      Paul E. Hannesson, Chief Executive Officer

                                      S. BREWER ENTERPRISES, INC.

                                       By: /s/ Shelby T. Brewer
                                       --------------------------------------
                                       Shelby T. Brewer, President

                                       4
<PAGE>EXHIBIT 10.46
                                                                   -------------

                             STOCK PLEDGE AGREEMENT
                             ----------------------

         THIS STOCK PLEDGE AGREEMENT (this "Agreement"), dated the15th day of
September, 2000, by and between COMMODORE ENVIRONMENTAL SERVICES, INC., a
Delaware corporation (the "Pledgor"), and S. Brewer Enterprises, Inc. (the
"Pledgee")

                              W I T N E S S E T H:
                              --------------------

         WHEREAS, concurrently herewith, pursuant to the terms of a Promissory
Note ("Promissory Note") by and between Commodore Applied Technologies, Inc.,
maker, and Pledgee herein, payee, Pledgee has loaned the sum of Five Hundred
Thousand Dollars ($500,000.00) to Commodore Applied Technologies, Inc. ("CXI")

         WHERAS, the Pledgor owns of record and beneficially in excess of
500,000 shares of CXI's common stock, par value $0.001 ("Common Stock")

         WHEREAS, in order to secure the rights of the Pledgee in the event that
CXI shall breach or shall otherwise fail to perform any of the "Obligations" (as
that term is hereinafter defined), the Pledgor has agreed to pledge to the
Pledgee the "Pledged Stock" (as that term is hereinafter defined); all of the
Pledged Stock is being pledged to the Pledgee pursuant to this Agreement;

         NOW, THEREFORE, in consideration of the premises and the mutual
covenants herein contained, and for other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the parties hereby
agree as follows:

         1. Definitions.
            ------------

         Unless otherwise defined herein, all capitalized terms used in this
Agreement shall have the the following meanings wherever used in this Agreement:

                  (a)      "Obligations" shall mean the collective reference to:
                            -----------

                           (i) the obligation of the CXI to make full and timely
payments of all installments of interest and principal required by the
Promissory Note which remains uncured beyond any applicable notice and cure
period provided for in the Promissory Note.

                                        1

<PAGE>

                  (b) "Pledged Stock" shall mean an aggregate of 500,000 shares
of CXI Common Stock owned of record and beneficially by Pledgor at the date
hereof.

                  (c) "Satisfaction Date" shall mean that date which shall be on
or before March 11, 2001 on which all of those Obligations referred to in clause
(i) of Section 1(a) above shall have been indefeasibly paid or performed in
full.

         2. Pledge of the Pledged Stock.
            ---------------------------

            (a) As security for the due and timely payment and performance of
all of the Obligations, the Pledgor hereby pledges to the Pledgee, and grants to
the Pledgee a first priority lien and security interest in, all of the Pledged
Stock and all proceeds thereof, until the Satisfaction Date.

            (b) In furtherance of the pledge hereunder, the Pledgor is,
concurrently herewith, delivering to the Pledgee the certificates representing
the Pledged Stock (consisting of 500,000 shares of CXI Common Stock), each
accompanied by appropriate undated stock powers duly endorsed in blank by the
Pledgor.

         3. Retention of the Pledged Stock.
            ------------------------------

            (a) Except as otherwise provided herein, the Pledgee shall have no
obligation with respect to the Pledged Stock or any other property held or
received by the Pledgee hereunder, except to use reasonable care in the custody
and preservation thereof, to the extent required by law.

            (b) The Pledgee shall hold the Pledged Stock and any other property
held or received by the Pledgee hereunder in the form in which same is delivered
herewith, unless and until there shall occur an Event of Default.

         4. Rights of the Pledgor.
            ---------------------

            Throughout the term of this Agreement, so long as no default in the
payment or performance of the Obligations has occurred, the Pledgor shall have
the right to vote the Pledged Stock in all CXI matters.

                                        2
<PAGE>

         5. Event of Default; Power of Attorney.
            -----------------------------------

            (a) Upon the occurrence of any default in the payment or performance
of the Obligations, which remains uncured beyond any applicable notice and cure
period, the Pledgee shall thereafter have the right to (i) vote the Pledged
Stock in all CXI matters, (ii) apply any funds or other property received in
respect of the Pledged Stock to the Obligations, and receive in its own name any
and all further dividends which may be paid in respect of the Pledged Stock, all
of which shall, upon receipt by the Pledgee, be applied to the Obligations,
(iii) transfer all or any portion of the Pledged Stock (as determined by the
Pledgee in his discretion) on the books of the CXI to and in the name of the
Pledgee or such other person or persons as the Pledgee may designate, (iv)
effect any sale, transfer or disposition of all or any portion of the Pledged
Stock and in furtherance thereof, take possession of and endorse any and all
checks, drafts, bills of exchange, money orders or other documents and
instruments received on account of the Pledged Stock, (v) collect, sue for and
give acquittance for any money due on account of any of the foregoing, and (vi)
take any and all other action contemplated by this Agreement, or as otherwise
permitted by law, or as the Pledgee may reasonably deem necessary or
appropriate, in order to accomplish the purposes of this Agreement.

            (b) In furtherance of the foregoing powers of the Pledgee, the
Pledgor hereby authorizes and appoints the Pledgee, with full powers of
substitution, as the true and lawful attorney-in-fact of the Pledgor, in its
name, place and stead, to take any and all such action as the Pledgee, in his
sole discretion, may deem necessary or appropriate in furtherance of the
exercise of the aforesaid powers. Such power of attorney shall be coupled with
an interest, and shall be irrevocable until the Satisfaction Date. Without
limitation of the foregoing, such power of attorney shall not in any manner be
affected or impaired by reason of any act of the Pledgor or by operation of law.
Nothing herein contained, however, shall be deemed to require or impose any duty
upon the Pledgee to exercise any of the rights or powers granted herein.

            (c) The foregoing rights and powers granted to the Pledgee, and the
foregoing power of attorney, shall be fully binding upon any person who may
acquire any beneficial interest in any of the Pledged Stock or any other
property held or received by the Pledgee hereunder.

            6. Foreclosure; Sale of Pledged Stock.
               ----------------------------------

            (a) Without limitation of paragraph 5 above, in the event that the
Pledgee shall make any sale or other disposition of any or all of the Pledged
Stock following a default in the payment or performance of the Obligations, the
Pledgee may also:

                  (i) offer and sell all or any portion of the Pledged Stock by
means of a private placement restricting the offer or sale to a limited number
of prospective purchasers who meet such suitability standards as the Pledgee and
his counsel may deem appropriate, and who may be required to represent that they
are purchasing Pledged Stock for investment and not with a view to distribution;

                                        3
<PAGE>

                  (ii) purchase all or any portion of the Pledged Stock for the
Pledgee' own account at a price not less than the highest bona fide offer
received therefor, which if effected in a manner in compliance with applicable
law, shall be deemed to be a commercially reasonable disposition of the subject
Pledged Stock;

                  (iii) receive and collect the net proceeds of any sale or
other disposition of any Pledged Stock, and apply same in such order and to such
of the Obligations (including the costs and expenses of the sale or disposition
of the Pledged Stock) as the Pledgee may, in his absolute discretion, deem
appropriate.

            (b) Upon any sale of any of the Pledged Stock in accordance with
this Agreement, the Pledgee shall have the right to assign, transfer and deliver
the subject Pledged Stock to the purchaser(s) thereof, and each such purchaser
shall be entitled to hold such Pledged Stock absolutely free from any right or
claim of the Pledgor and/or any other person claiming any beneficial interest in
the Pledged Stock, including any equity of redemption (which right and all other
such rights are hereby waived by the Pledgor to the fullest extent permitted by
law).

            (c) Nothing herein contained shall be deemed to require the Pledgee
to effect any sale or disposition of any Pledged Stock at any time, or to
consummate any proposed public or private sale at the time and place at which
same was initially called. It is the intention of the parties hereto that the
Pledgee shall, subject to any further conditions imposed by this Agreement, at
all times following the occurrence of an Event of Default, have the right to use
or deal with the Pledged Stock as if the Pledgee were the outright owners
thereof, and to exercise any and all rights and remedies, as a secured party in
possession of collateral or otherwise, under any and all provisions of law.

            7. Covenants, Representations and Warranties.
               ------------------------------------------

            In connection with the transactions contemplated by this Agreement,
and knowing that the Pledgee are and shall be relying hereon, the Pledgor hereby
covenants, represents and warrants that:

            (a) the Pledged Stock has been and will be duly and validly issued,
is and will be fully paid and non-assessable, and is and will be owned by the
Pledgor free and clear of any and all restrictions, pledges, liens, encumbrances
or other security interests of any kind, save and except for the pledge to the
Pledgee pursuant to this Agreement;

            (b) there are and will be no options, warrants or other rights in
respect of the sale, transfer or other disposition of any of the Pledged Stock,
and the Pledgor has the absolute right to pledge the Pledged Stock hereunder
without the necessity of any consent of any Person;

            (c) neither the execution or delivery of this Agreement, nor the
consummation of the transactions contemplated hereby, nor the compliance with or
performance of this Agreement by the Pledgor, conflicts with or will result in
the breach or violation of or a default under the terms, conditions or
provisions of (i) any mortgage, security agreement, indenture, evidence of
indebtedness, loan or financing agreement, or other agreement or instrument to
which the Pledgor is a party or by which the Pledgor is bound, or (ii) any
provision of law, any order of any court or administrative agency, or any rule
or regulation applicable to the Pledgor;

                                        4
<PAGE>

            (d) this Agreement has been duly executed and delivered by the
Pledgor, and constitutes the legal, valid and binding obligation of the Pledgor,
enforceable against the Pledgor in accordance with its terms;

            (e) there are no actions, suits or proceedings pending or threatened
against or affecting the Pledgor that involve or relate to the Pledged Stock;

            (f) the Pledgor shall not, at any time prior to the release of the
lien on the Pledged Stock in accordance with paragraph 8 below, (i) sell,
transfer or convey any interest in any of the Pledged Stock, or (ii) suffer or
permit any other pledge, lien or encumbrance to be created upon or granted with
respect to any of the Pledged Stock; and

            (g) from time to time hereafter, the Pledgor shall take any and all
such further action, and shall execute and deliver any and all such further
documents and/or instruments, as the Pledgee may request in order to accomplish
the purposes of this Agreement, in order to enable the Pledgee to exercise any
of its rights hereunder, and/or in order to secure more fully the Pledgee's
interest in the Pledged Stock.

            8. Return of the Pledged Stock; Cure and Redemption.
               ------------------------------------------------

            (a) To the extent that the Pledgee shall not previously have taken,
acquired, sold, transferred, disposed of or otherwise realized value on the
Pledged Stock in accordance with this Agreement, the Pledgee shall release its
lien hereunder and return the Pledged Stock to and in the name of the Pledgor at
the Satisfaction Date free from any liens or encumbrances. In the event that the
Pledgee shall not, within ten (10) business days of receipt of the final
payments of the Obligations, redeliver to the Pledgor all, and not less than
all, of the certificates evidencing the Pledged Stock, the Pledgor shall be
entitled to apply to any court of competent jurisdiction for such injunctive
relief as shall be reasonably required to effect compliance by the Pledgee (or
either of them) of the provisions of this Section 8 and (in addition to any such
injunctive relief) Pledgee shall pay all reasonable attorneys fees and other
court courts incurred by Pledgor.

            (b) Notwithstanding anything to the contrary contained anywhere in
this Agreement, upon an Event of Default Pledgor shall have a period of thirty
(30) days to fulfill the Obligations of CXI to Pledgee following which Pledgee
shall return the Pledged Stock to Pledgor in accordance with paragraph 8(a)
above.

            9. Resolution of Disputes, Binding Arbitration.
               -------------------------------------------

            (a) In the event that any dispute relating to or otherwise involving
the interpretation or application of this Agreement, any Schedule or Exhibit
hereto or any other Transaction Document cannot be settled or compromised, as

                                        5
<PAGE>

aforesaid, within twenty (20) days of receipt of the subject claim, either party
shall promptly thereafter submit the dispute for final and binding arbitration
to JAMS or End-Dispute before a three-person panel of arbitrators who shall be
either (i) retired federal judges, or (ii) other persons experienced in
resolving commercial disputes and who are acceptable to both the indemnifying
party and the indemnified party (the "Arbitration"). Any such Arbitration shall
be held in New York, New York. The panel of arbitrators shall be selected within
twenty (20) days of submission of such dispute to Arbitration. The parties shall
use their collective best efforts to promptly schedule and conduct the hearings
before such arbitrators, with a view toward concluding such arbitration
proceedings not later than thirty (30) days from the first submission of the
dispute to arbitration. In addition to, and not in lieu of, arbitration as a
means of dispute resolution hereunder, any party hereto shall have the right to
seek specific enforcement of this Agreement or any Transaction Document, or
other injunctive or equitable relief or remedy before any court of competent
jurisdiction.

            (b) In connection with any Arbitration pursuant to this Section 9,
the arbitrators shall, as part of their award, allocate the fee of the
Arbitration, including all fees of the arbitrators, the cost of any transcripts,
and the parties' reasonable attorneys' fees, based upon and taking into account
the arbitrators' determination of the merits and good faith of the parties'
claims and defenses in the subject proceeding.

            (c) The decision and award of the arbitrators shall be final and
binding upon the parties hereto and shall be enforceable in any court of
competent jurisdiction, including any federal or state court in the States of
Delaware, Connecticut, New York or the District of Columbia. Any process or
other papers hereunder may be served by registered or certified mail, return
receipt requested, or by personal service, provided that a reasonable time for
appearance or response is allowed.

            10. Miscellaneous.
                -------------

            (a) Any notices or consents required or permitted under this
Agreement shall be in writing and shall be deemed given when personally
delivered, when sent by recognized overnight courier service with all charges
prepaid or billed to the account of the sender, or when mailed by certified
mail, return receipt requested, with all charges prepaid, in each instance
addressed to the party being notified at his or its address first set forth
above. Either party may change its address for notices by means of written
notice given in accordance herewith, provided that same shall not be deemed to
have been given until actual receipt by the party being notified.

Notice shall be given to:

            (i) Commodore Environmental Services, Inc., 150 East 58th Street,
Suite 3238, New York, New York 10155.

                                        6
<PAGE>

            (ii) Shelby T. Brewer, 2121 Jamieson Avenue, Suite 1406, Alexandria,
Virginia 22314.

            (b) This Agreement shall be binding upon and shall inure to the
benefit of the parties hereto and their respective heirs, executors,
administrators, personal representatives, successors and permitted assigns. The
Pledgor shall not, however, assign any of his rights or obligations hereunder
without the prior written consent of the Pledgee. Except as otherwise referred
to herein, this Agreement, and the documents executed and delivered pursuant
hereto, constitute the entire agreement between the parties relating to the
specific subject matter hereof.

            (c) Neither any course of dealing between the Pledgor and the
Pledgee nor any failure to exercise, or any delay in exercising, on the part of
the Pledgee, any right, power or privilege hereunder shall operate as a waiver
thereof; nor shall any single or partial exercise of any right, power or
privilege operate as a waiver of any other exercise of such right, power or
privilege or any other right, power or privilege.

            (d) The Pledgee' rights and remedies, whether established hereby or
by any other agreements or by law or in equity, shall be cumulative and may be
exercised singularly or concurrently.

            (e) No change, amendment, modification, waiver, assignment of rights
or obligations, cancellation or discharge hereof, or of any part hereof, shall
be valid unless the Pledgee shall have consented thereto in writing.

            (f) The captions and paragraph headings in this Agreement are for
convenience of reference only, and shall not in any way define, limit or
describe the construction, terms or provisions of this Agreement.

            (g) If any provision of this Agreement is held invalid or
unenforceable, either in its entirety or by virtue of its scope or application
to given circumstances, such provision shall thereupon be deemed modified only
to the extent necessary to render same valid, or not applicable to given
circumstances, or excised from this Agreement, as the situation may require, and
this Agreement shall be construed and enforced as if such provision had been
included herein as so modified in scope or application, or had not been included
herein, as the case may be.

            IN WITNESS WHEREOF, the parties hereto have executed this Agreement
on and as of the date first set forth above.

                                        7
<PAGE>

                                        COMMODORE ENVIRONMENTAL SERVICES,
                                        INC.

                                        By: /s/ Bentley J. Blum
                                        ------------------------------------
                                        Bentley J. Blum, Chairman

                                        S. BREWER ENTERPRISES, INC.

                                            /s/ Shelby T. Brewer
                                        ----------------------------------------
                                        Shelby T. Brewer, President

                                        8

<PAGE>

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