-------------------------------------------------------------------------------
     THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS WARRANT HAVE
NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED ("SECURITIES
ACT") OR APPLICABLE STATE SECURITIES LAWS ("STATE ACTS"). THIS WARRANT AND ANY
SECURITIES ISSUED UPON EXERCISE OF THIS WARRANT MAY NOT BE OFFERED FOR SALE,
SOLD, TRANSFERRED, HYPOTHEGATED OR OTHERWISE DISPOSED OF UNLESS REGISTERED UNDER
THE SECURITIES ACT AND APPLICABLE STATE ACTS UNLESS THE CORPORATION HAS RECEIVED
AN OPINION OF COUNSEL ACCEPTABLE TO THE CORPORATION THAT SUCH REGISTRATION IS
NOT REQUIRED.
-------------------------------------------------------------------------------

                         EVANS ENVIRONMENTAL CORPORATION

                               WARRANT CERTIFICATE

Warrants to Subscribe for                                          July 11, 1994
350,000 shares of
Common Stock


     THIS CERTIFIES that, for value received, Strategica Group, Inc., or its
registered assigns (the "Holder"), is the registered owner of 350,000 warrants
(the "Warrants") of EVANS ENVIRONMENTAL CORPORATION, a Colorado corporation
(hereinafter referred to as the "Corporation" or the "Company"). Each of the
Warrants entitles the Holder to purchase one duty authorized, validly issued,
fully paid and nonassessable share of voting common stock, $.003 par value per
share, of the Corporation (the "Common Stock"). Each share of Common Stock
relating to a Warrant and/or each share of Common Stock underlying a Warrant may
sometimes hereinafter be referred to as a "Warrant Share."

     Section 1. EXERCISE OF WARRANT. This Warrant may be exercised at any time
from the date hereof until and including July 11, 1997, 5:00 p.m., Miami,
Florida time (the "Expiration Date"). Subject to adjustment pursuant to Section
4 below, the exercise price of the shares of Common Stock purchasable pursuant
to this Warrant shall be $1.25 per share for the period commencing on the date
hereof through and including January 11, 1996, and, thereafter, the exercise
price shall be $2.00 per share through and including July 11, 1997 (such price,
as adjusted from time to time, being hereinafter referred to as the "Exercise
Price"). Notwithstanding the foregoing, in the event that the average of the
closing bid and asked prices of the Company's publicly traded Common Stock for
the ten (10) trading days (in which the Company's Common Stock is traded)
immediately prior to January 11, 1996 is less than $3.00 per share, then the
Exercise Price shall remain $1.25 per share through and including the Expiration
Date. The rights represented by this Warrant may be exercised by the holder
hereof,

<PAGE>

in whole or in part, but not as to a fractional share of Common Stock, by the
surrender of this Warrant (properly endorsed) at the office of the Corporation
or its transfer agent, and by payment to the Corporation of the Exercise Price
in cash or by wire transfer, for each share being purchased. Upon the exercise
of this Warrant, a certificate or certificates for the shares of Common Stock so
purchased, registered in the name of the holder, shall be promptly delivered to
the holder hereof within a reasonable time. The person in whose name any
certificate for shares of Common Stock is issued upon exercise of this Warrant
shall for all purposes be deemed to have become the holder of record of such
shares on the date on which the Warrant was surrendered and payment of the
Exercise Price and any applicable taxes was made, except that, if the date of
such surrender and payment is a date on which the stock transfer books of the
Corporation are closed, such person shall be deemed to have become the holder of
such shares at the close of business on the next succeeding date on which the
stock transfer books are open.

     Section 2. TRANSFER, DIVISION AND COMBINATION.

          (a)     Neither the Warrants or the Warrant Shares may be sold, 
assigned or otherwise transferred prior to July 11, 1995 to any person other
than an officer, managing director or affiliate of Holder. Transfer of this
Warrant and all rights hereunder, in whole or in part, is registrable on the
books of the Corporation to be maintained for such purpose, upon surrender of
this Warrant at the principal office of the Corporation, together with the
Assignment Form annexed hereto duly executed by the Holder or his agent or
attorney and funds sufficient to pay any stock transfer taxes payable upon the
making of such transfer. Upon such surrender and payment the Corporation shall
execute and deliver a new Warrant or Warrants in the name of the assignee or
assignees and in the denomination specified in such instrument of assignment,
and this Warrant shall promptly be canceled. A Warrant may be exercised by a
new Holder for the purchase of shares of Common Stock without having a new
Warrant issued.

          (b)     This Warrant may be divided or combined with other Warrants
upon presentation hereof at the aforesaid office or agency of the Corporation,
together with a written notice specifying the names and denominations in which
new Warrants are to be issued, signed by Holder or his agent or attorney.
Subject to compliance with subparagraph (a) above, as to any transfer which may
be involved in such division or combination, the Corporation shall execute and
deliver a new Warrant or Warrants in exchange for the Warrant or Warrants to be
divided or combined in accordance with such notice.

          (c)     The Corporation shall prepare, issue and deliver at its own
expense (other than stock transfer taxes) the new Warrant or Warrants under this
Section 2.

          (d)     The Corporation agrees to maintain, at its aforesaid office
or agency, books for the registration and the registration of transfer of the
Warrants.

          (e)     In the case of all dividends or other distributions of the
Corporation to the holders of its Common Stock with respect to which any
provision of Section 3 refers to the

                                      - 2 -

<PAGE>

taking of a record of such holders, the Corporation will in each such case take
such a record and will take such record as of the close of business on a
business day. The Corporation will not at any time, except upon dissolution,
liquidation or winding up of the Corporation, close its stock transfer books or
warrant transfer books so as to result in preventing or delaying the exercise or
transfer of any warrant.

     Section 3. ADJUSTMENT OF NUMBER OF SHARES SUBJECT TO WARRANT. Upon any
adjustment of the Exercise Price pursuant to Sections 4(a) or 4(b) hereof, the
holder of this Warrant shall thereafter be entitled to purchase, at the adjusted
Exercise Price, the number of shares (calculated to the nearest tenth of a
share) obtained by multiplying the Exercise Price in effect immediately prior to
such adjustment by the number of shares purchasable pursuant hereto immediately
prior to such adjustment and dividing the product thereof by the Exercise Price
resulting from such adjustment.

     Section 4. ADJUSTMENT OF EXERCISE PRICE.

          (a)     If the Corporation shall hereafter split, subdivide or 
combine its Common Stock, then the Exercise Price shall be proportionately
adjusted so that the holder of this Warrant shall receive the equivalent number
of shares, at the equivalent cost per share, as if this Warrant was exercised on
the date immediately preceding such split, subdivision or combination of the
Corporation's Common Stock.

          (b)     If the Corporation shall pay a dividend with respect to the
Common Stock or make any other distribution with respect to the Common Stock
payable in shares of Common Stock, then the Exercise Price shall be adjusted,
from and after the date of determination of the shareholders entitled to receive
such dividend or distribution, to that price determined by multiplying the
Exercise Price in effect immediately prior to such date of determination by a
fraction (i) the numerator of which shall be the total number of shares of
Common Stock outstanding immediately prior to such dividend or distribution, and
(ii) the denominator of which shall be the total number of shares of Common
Stock outstanding immediately after such dividend or distribution.

          (c)     Upon any such adjustment of the Exercise Price pursuant to 
this Section, then and in each such case the Corporation shall give written
notice thereof to Holder stating the Exercise Price resulting from such
adjustment and the number of shares of Common Stock thereafter purchasable under
this Warrant and setting forth in reasonable detail the method of calculation
and the facts upon which such calculation is based.

     Section 5. RECLASSIFICATION, MERGER, ETC. In the case of any 
reclassification of the Common Stock or in the case of any consolidation or
merger of the Corporation with or into another corporation (other than a merger
with another corporation in which the Corporation is the surviving corporation
and which does not result in any reclassification of the Common Stock) or in the
case of any sale of all or substantially all of the assets of the Corporation,
then the Corporation, or such successor or purchasing corporation, as the case
may be, shall execute a

                                      - 3 -


<PAGE>

new certificate, providing that the holder of this Warrant shall have the right
to exercise such new Warrant and upon such exercise to receive, in lieu of each
share of Common Stock theretofore issuable upon exercise of this Warrant, the
number and kind of shares of stock, other securities, money or property
receivable upon such reclassification, consolidation, merger or sale of assets
by a holder of shares of the Common Stock with respect to one share of Common
Stock. Such new Warrant certificate shall provide for adjustments which shall be
as nearly equivalent as may be practicable to the adjustments provided for
herein. The provisions of this Section shall similarly apply to successive
reclassifications, consolidations, mergers or sales of assets.

     Section 6. STOCK TO BE RESERVED. The Corporation will at all times reserve
and keep available out of its authorized Common Stock or its treasury shares,
solely for the purpose of issue upon the exercise of this Warrant as herein
provided, such number of shares of Common Stock as shall then be issuable upon
the exercise of this Warrant. The Corporation covenants that all shares of
Common Stock which shall be so issued shall be duly and validly issued and fully
paid and nonassessable and free from all taxes, liens and charges with respect
to the issue thereof. The Corporation will take all such action as may be
necessary to assure that all such shares of Common Stock may be so issued
without violation of any applicable law or regulation, or of any requirements of
any national securities exchange upon which the Common Stock of the Corporation
may be listed. The Corporation has not granted and will not grant any right of
first refusal with respect to shares issuable upon exercise of this Warrant, and
there are no preemptive rights associated with such shares.

     Section 7. NO STOCKHOLDER RIGHTS OR LIABILITIES. This Warrant shall not 
entitle the holder hereof to any voting rights or other rights as a stockholder
of the Corporation. No provision hereof, in the absence of affirmative action by
the holder hereof to purchase shares of Common Stock, and no mere enumeration
herein of the rights or privileges of the holder hereof, shall give rise to any
liability of such holder for the Exercise Price or as a shareholder of the
Corporation, whether such liability is asserted by the Corporation or by
creditors of the Corporation.

     Section 8. FRACTIONAL SHARES. No fractional shares shall be issued upon 
the exercise of this Warrant, but the Company shall pay the holder an amount
equal to the fair market value of such fractional share of Common Stock in lieu
of each fraction of a share otherwise called for upon any exercise of this
Warrant. For purposes of this Warrant, the fair market value of a share of
Common Stock shall be determined as follows:

          (a)     If the Common Stock is listed on a National Securities 
Exchange or admitted to unlisted trading privileges on such exchange or listed
for trading on the NASDAQ system, the current market value shall be the last
reported sale price of the Common Stock on such exchange or system on the last
business day prior to the date of exercise of this Warrant or on such day the
average of the closing bid and asked prices for such day on such exchange or
system, as applicable; or

                                      - 4 -
<PAGE>

          (b)     If the Common Stock is not so listed or admitted to unlisted
trading privileges, the current market value shall be the mean of the last
reported bid and ask prices reported by the National Quotation Bureau, Inc. on
the last business day prior to the date of the exercise of this Warrant; or

          (c)     If the Common Stock is not so listed or admitted to unlisted
trading privileges and bid and asked prices are not so reported, the current
market value shall be an amount, not less than book value thereof as at the end
of the most recent fiscal year of the Company ending prior to the date of the
exercise of the Warrant, determined in such reasonable manner as may be
prescribed by the Board of Directors of the Company.

          Section 9. REGISTRATION RIGHTS. Neither the Warrant nor the Warrant
Shares have been registered under the Securities Act of 1933, as amended (the
"Securities Act").

               9.1 After January 1, 1995, whenever the Company proposes to file
under the Securities Act a Registration Statement relating to any of its Common
Stock, whether on its own behalf or on behalf of any holders of Common Stock of
the Company, the Company shall, at least thirty (30) days prior to such filing,
give written notice of such proposed filing to Holder. Upon receipt by the
Company not more than thirty (30) days after such notice of a written request
from Holder for registration of Warrant Shares issuable upon exercise of the
Warrants by Holder or held by Holder, the Company shall (A) include in such
registration statement or in a separate registration statement concurrently
filed, and shall use its best efforts to cause such registration statement to
become effective with respect to, the Warrant Shares as to which Holder requests
registration and (B) if such proposed registration is in connection with an
underwritten offering of Common Stock for the benefit of the Company, upon
request of Holder, use its best efforts to cause the managing underwriter
therefor to include in such offering the Warrant Shares as to which Holder
requests such inclusion, on terms and conditions comparable to those of the
securities offered on behalf of the Company. Holder shall cooperate with the
Company in the preparation of such Registration Statement to the extent
required to furnish information concerning the Holder therein. Notwithstanding
the foregoing, this Section 9.1 shall not be applicable to registration
statements of the Company filed pursuant to Form S-8 or Form S-4.

          9.2     Whenever one or more registered holders of a majority of the
Warrants or Warrant Shares issued as of the date hereof pursuant to a certain
Advisory Agreement effective as of July 11, 1994 between Strategica Group, Inc.
or its designees and the Company shall make a written request to the Company to
register under the Securities Act Warrant Shares either issuable upon exercise
of the Warrants or held by such holders, the Company shall within ten (10) days
after such request is received promptly give written notice to holder stating
the estimated approximate date of filing such registration statement, and shall
thereupon promptly use its best efforts to file a registration statement (and
thereafter use its best efforts to cause such registration) with respect to all
Warrant Shares issuable upon exercise of the Warrants by Holder or held by
Holder as soon as reasonably practical after the date of receipt of such notice
by the Company. The Company shall not be required at its expense to effect more
than one registration statement pursuant to this Section 9.2. Notwithstanding
anything to the contrary contained

                                      - 5 -
<PAGE>

herein, in the event that Holder exercises its registration rights under this
Section 9.2: (a) on or prior to October 13, 1995, and the registration of the
subject Warrant Shares issuable upon exercise of the Warrants or held by such
holders shall not have been declared effective by the Securities and Exchange
Commission (the "SEC") pursuant to the Securities Act on or prior to January 5,
1996, then the $1.25 per share Exercise Price shall be extended to the date that
is five (5) business days following such effective date; or (b) on or prior to
April 12, 1997, and the registration of the subject Warrant Shares issuable upon
exercise of the Warrants or held by such holders shall not have been declared
effective by the SEC pursuant to the Securities Act on or prior to July 7, 1997,
then the Expiration Date shall be extended to the date that is five (5) business
days following such effective date.

          9.3     If the Corporation is required by the provisions of this 
Section 9 to use its best efforts to effect the registration of any of its
securities under the Securities Act, the Corporation will, as expeditiously as
is possible:

               (a)     Prepare and file with the SEC a registration statement
with respect to such securities and use its best efforts to cause such
registration statement to become and remain effective.

               (b)     Prepare and file with the SEC such amendments and
supplements to such registration statement and the prospectus used in connection
therewith as may be necessary to keep such registration statement effective and
to comply with the provisions of the Securities Act with respect to the sale or
other disposition of all securities covered by such registration statement
whenever the Holder of such securities shall desire to transfer the same.

               (c)     Furnish to the Holder such number of copies of a summary
prospectus or other prospectus, including a preliminary prospectus, in
conformity with the requirements of the Securities Act, and such other
documents, as the Holder may reasonably request in order to facilitate the
transfer of the securities owned by such Holder.

               (d)     Use its best efforts to register or qualify the 
securities covered by such registration statement under such other securities or
blue sky laws of such jurisdictions within the United States as Holder shall
request (provided that the Company shall not be required to pay registration or
qualification expense for more than ten (10) states to be designated by Holder)
and do such other reasonable acts and things as may be the transfer in such
jurisdictions of the securities owned by Holder.

               (e)     Furnish, at the request of the Holder requesting 
registration of Warrant Shares, on the date that such Warrant Shares are
delivered to the underwriters for sale pursuant to such registration or, if such
Warrant Shares are not being sold through underwriters, on the date that the
registration statement with respect to such shares becoming effective, (1) an
opinion, dated such date, of the outside counsel representing the Corporation
for the purposes of such registration, addressed to the underwriters, if any,
and if such Warrant Shares are not being sold through underwriters, then to the
holders making such request, stating that such

                                      - 6 -
<PAGE>

registration statement has become effective under the Securities Act and that
(i) to the best knowledge of such counsel, no stop order suspending the
effectiveness thereof has been issued and no proceedings for that purpose have
been instituted or are pending or contemplated under the Securities Act, (ii)
the registration statement, the related prospectus, and each amendment or
supplement thereto, comply as to form in all material respects with the
requirements of the Securities Act and the applicable rules and regulations of
the SEC thereunder (except that such counsel need express no opinion as to
financial statements contained therein), (iii) such counsel has no reason to
believe that either the registration statement or the prospectus, or any
amendment or supplement thereto, contains any untrue statement of a material
fact required to be stated therein or necessary to make the statements therein
not misleading, (iv) the descriptions in the registration statement or the
prospectus, or any amendment or supplement thereto, of all legal matters and
contracts and other legal documents or instruments are accurate and fairly
present the information required to be shown, and (v) such counsel does not know
of any legal or governmental proceedings, pending or contemplated, required to
be described in the registration statement or prospectus, or any amendment or
supplement thereto, which are not described as required, nor of any contracts or
documents or instruments of a character required to be described in the
registration statement or prospectus, or any amendment or supplement thereto, or
to be filed as exhibits to the registration statement which are not described
and filed or incorporated by reference as required; and (2) a letter dated such
date, from the independent certified public accountants of the Corporation,
addressed to the underwriters, if any, and if such Warrant Shares are not being
sold through underwriters, then to the Holders making such request, stating that
they are independent certified public accountants within the meaning of the
Securities Act and that, in the opinion of such accountants, the financial
statements and other financial data of the Corporation included in the
registration statement or the prospectus, or any amendment or supplement
thereto, comply as to form in all material respects with the applicable
accounting requirements of the Securities Act. Such opinion of counsel shall
additionally cover such other legal matters with respect to the registration in
respect of which such opinion is being given as the Holders may reasonably
request. Such letter from the independent certified public accountants shall
additionally cover such other financial matters (including information as to
the period ending not more than five (5) business days prior to the date of such
letter) with respect to the registration in respect of which such letter is
being given as the Holders may reasonably request.

                   (f) Otherwise use its best efforts to comply with all 
applicable rules and regulations of the SEC.

          9.4     The Holder of the securities being so registered agrees to
pay all of the underwriting discounts and commissions with respect to the
securities owned by them being registered. The Company will pay all other costs
and expenses in connection with a registration statement to be filed pursuant to
Section 9 hereof including, without limitation, registration fees, the
reasonable fees and expenses of counsel for the Company and Holder, the fees and
expenses of its accountants and all other costs and expenses incident to the
preparation, printing and filing under the Securities Act of any such
registration statement, each prospectus and all amendments and supplements
thereto, the costs incurred in connection with the qualification of such
securities

                                      - 7 -
<PAGE>

for sale in not more than ten (10) states as Holder has designated, including
fees and disbursements of counsel for the Company, and the costs of supplying a
reasonable number of copies of the registration statement, each preliminary
prospectus, final prospectus and any supplements or amendments thereto to the
Holder.

          9.5     The Company agrees to enter into an appropriate cross-
indemnity agreement with any underwriter (as defined in the Securities Act) for
the Holder in connection with the filing of a registration statement pursuant to
Section 9.1 hereof.

          9.6     If the Company shall file any registration statement 
including therein all or any part of the Warrant Shares either issuable upon
exercise of the Warrants by Holder or held by Holder, the Company and the Holder
shall enter into an appropriate cross-indemnity agreement whereby the Company
shall indemnify and hold harmless the Holder against any losses, claims, damages
or liabilities (or actions in respect thereof) arising out of or based upon any
untrue statement or alleged untrue statement of any material fact contained in
such registration statement, or any omission or alleged omission to state
therein a material fact required to be stated therein or necessary to make
statements therein not misleading unless such statement or omission was made in
reliance upon and in conformity with written information furnished or required
to be furnished by the Holder, and the Holder shall (to the extent of and
limited to the amount of net proceeds received by the Holder from the sale of
Warrant Shares) indemnify and hold harmless the Company, each of its directors
and officers who have signed the registration statement and each person, if any,
who controls the Company, within the meaning of the Securities Act against any
losses, claims, damages or liabilities (or actions in respect thereof) arising
out of or based upon any untrue statement or alleged untrue statement of any
material fact contained in such registration statement, or any omission or
alleged omission to state therein a material fact required to be stated therein
or necessary to make statements therein not misleading, if the statement or
omission was made in reliance upon and in conformity with written information
furnished or required to be furnished by the Holder expressly for use in such
registration statement.

          9.7     Nothing herein shall be construed to require any of the 
holders who may desire to include any securities in any registration statement
referred to in Section 9.1 hereof to exercise their Warrants prior to the
effective date of registration statement and such holders, at their option, to
the extent permissible by law, may exercise the Warrants against payment of the
proceeds of the sale of such securities pursuant to a registration statement.

          9.8     Until the shares shall be sold or capable of sale without 
registration under the Securities Act, the Company at its expense will file such
post-effective amendments as may be necessary to make available for use a
prospectus meeting the requirements of the Securities Act, including, without
limitation, Section 10(a)(3). The Company will cause copies of such prospectus
to be delivered to any person exercising the warrant or selling the shares as
may be required by the Securities Act and the rules and regulations of the SEC.

                                      - 8 -

<PAGE>

     Section 10. INVESTMENT REPRESENTATION AND LEGEND. Each holder, by 
acceptance of this Warrant, represents and warrants to the Corporation that the
Holder is acquiring the Warrant and the securities issuable upon exercise
hereof, unless at the time of exercise a registration statement under the
Securities Act is effective with respect to such securities, for investment
purposes only and not with a view towards the resale or other distribution
thereof.

     The Holder, by acceptance of this Warrant, agrees that the Corporation 
may affix, unless the shares subject to this Warrant are registered at the time
of exercise, the following legend to certificates for securities issued upon
exercise of this Warrant:

          The securities represented by this certificate have been issued in
          reliance upon the representation of the holder that they have been
          acquired for investment and not with a view toward the resale or other
          distribution thereof, and have not been registered under the
          Securities Act of 1933 (the "Securities Act") or applicable state
          securities laws ("State Acts") and may not be offered, sold,
          transferred, encumbered or otherwise disposed of unless there is an
          effective registration statement under the Securities Act and the
          applicable State Acts or unless in the opinion of counsel acceptable
          to the Corporation, such registration is not required.

     Section 11. LOST, STOLEN, MUTILATED OR DESTROYED WARRANT. If this Warrant
is lost, stolen, mutilated or destroyed, the Corporation may, on such terms as
to indemnity or otherwise as it may in its discretion reasonably impose (which
shall, in the case of a mutilated Warrant, include the surrender thereof), issue
a new Warrant of like denomination and tenor as the Warrant so lost, stolen,
mutilated or destroyed. Any such new Warrant shall constitute an original
contractual obligation of the Corporation, whether or not the allegedly lost,
stolen, mutilated or destroyed Warrant shall be at any time enforceable by
anyone.

     Section 12. PAYMENT OF TAXES. The Company will pay all taxes, if any, 
attributable to the transfer and/or issuance of the Warrants and the Warrant
Shares.

     Section 13. NOTICES. All notices, requests, demands and other 
communications relating to this Warrant Certificate shall be in writing,
addressed, if to the registered owner hereof, to it at the address furnished by
the registered owner to the Company, and, if to the Company, to it at 2600 S.W.
Third Avenue, Second Floor, Miami, Florida 33129-2383, or to such other address
as any party shall notify the other party in writing, and shall be effective, in
the case of written notice by first class certified mail, postage prepaid, three
(3) days after placement into the mails, in the case of written notice by
express mail or other overnight courier, the day after placement with that
service, and, in the case of notice by confirmed telex, facsimile transmission,
telegram or cable, on the same day as sent.

     Section 14. BINDING EFFECT. This Warrant Certificate shall be binding upon
and inure to the sole and exclusive benefit of the Company, its successors and
assigns and the registered holder or holders from time to time of the Warrants
and the Warrant Shares.

                                      - 9 -


<PAGE>

     Section 15. SUPPLYING INFORMATION. The Corporation shall cooperate with 
the Holder in supplying such information as may be necessary for the Holder to
complete and file any information reporting forms presently or hereafter
required by the SEC as a condition to the availability of an exemption from the
Securities Act for the sale of any Warrant or Warrant Shares.

     Section 16. FILINGS. The Corporation will deliver to Holder promptly 
upon their becoming available one copy of each report, notice or proxy statement
sent by the Corporation to its stockholders generally, and of each regular or
periodic report (pursuant to the Securities Exchange Act of 1934, as amended)
and any registration statement, prospectus or written communication (other than
transmittal letters) (pursuant to the Securities Act), filed by the Corporation
with (i) the SEC or (ii) any securities exchange on which shares of Common Stock
are listed.

     Section 17. SUCCESSORS AND ASSIGNS. This Warrant and the rights evidenced
hereby shall inure to the benefit of and be binding upon the successors of the
Corporation and Holder. The provisions of this Warrant are intended to be for
the benefit of all Holders from time to time of this Warrant, and shall be
enforceable by any such Holder.

     Section 18. AMENDMENT. This Warrant may not be modified or amended except
by written agreement of the parties.

     Section 19. HEADINGS. The headings used in this Warrant are for the 
convenience of reference only and shall not, for any purpose, be deemed a part
of this Warrant.

     Section 20. GOVERNING LAW. THIS WARRANT CERTIFICATE SHALL BE CONSTRUED IN
ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE OF FLORIDA, WITHOUT
REFERENCE TO THE CONFLICTS OF LAWS PRINCIPLES OF THE STATE OF FLORIDA.


          [REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK]


                                     - 10 -

<PAGE>

     IN WITNESS WHEREOF, the undersigned has executed this Warrant on and as 
of the day and year first above written.


                             EVANS ENVIRONMENTAL CORPORATION,
                             a Colorado corporation




                              By: /s/ SCOTT E. SALPETER
                                 ----------------------------------------
                                   Scott E. Salpeter, Vice President


                                      -11-

<PAGE>

                              WARRANT EXERCISE FORM


     The undersigned hereby irrevocably elects to exercise the within Warrant 
to the extent of purchasing _________ shares of Common Stock of Evans 
Environmental Corporation, a Colorado, and hereby makes payment of $_______ in
payment therefor.


                              _____________________________________________
                              Signature

                              _____________________________________________
                              Signature, if jointly held

                              _____________________________________________
                              Date


                       INSTRUCTIONS FOR ISSUANCE OF STOCK
         (if other than to the registered holder of the within Warrant)

Name________________________________________________________________________
                    (Please typewrite or print in block letters)

Address______________________________________________________________________

_____________________________________________________________________________

Social Security or Taxpayer Identification Number____________________________

     And if said number of shares shall not be all the shares exchangeable or 
purchasable under the within Warrant, a new Warrant is to be issued in the name
of the undersigned for the balance remaining of the shares purchasable
thereunder.

<PAGE>

                                 ASSIGNMENT FORM


     FOR VALUE RECEIVED, ________________________________________ hereby sells,
assigns and transfers unto ______________________________________________ , the
right to purchase Common Stock of Evans Environmental Corporation, a Colorado 
corporation represented by this Warrant to the extent of shares as to which 
such right is exercisable and does hereby irrevocably constitute and appoint
_____________________________________________________________________ Attorney,
to transfer the same on the books of the Company with full power of 
substitution in the premises.

Dated: ______________, 199__

                                  ____________________________________________
                                  Signature

                                  _____________________________________________
                                  Signature, if jointly held