Document:

FROHLING, HUDAK & PELLEGRINO, LLC
                               COUNSELLORS AT LAW

425 Eagle Rock Avenue                                        Newark, NJ 07101
Roseland, NJ 07068                                            (973) 622-2800
     (973) 226-4600
FAX  (973) 226-0969
                                                              Please Reply to:
                                                              [X] Roseland
                                                              [ ] Newark

                                                   May 1, 2000

John Threshie, Jr.
President
The Tirex Corporation
3828 rue St. Patrick
Montreal, Quebec H4E1A4

         Re:      The Tirex Corporation

Dear Mr. Threshie:

         We are pleased that you have appointed our firm as General Securities
Counsel for the Company for the year 2000. Our appointment will be on the
following basis:

         1.       We will continue to bill on a monthly basis at the rates that
                  have been previously approved and in accordance with the
                  letter of Engagement.

         2.       We have appointed Linda Pellegrino the consultant to the
                  Company responsible for consulting with the Company on all
                  legal matters supported by other members of the law firm and
                  its staff.

         3.       The term of this engagement will be from May 1, 2000 until
                  April 30, 2001.

         4.       There will be a reserved grant of one million shares of common
                  stock to be distributed periodically through the period of the
                  agreement.

         5.       In the event that the Company is not able to fully discharge
                  all legal bills by the payment of cash the firm has agreed to
                  convert no less than to two-thirds (2/3) of all said bills
                  into Common Stock at the same conversion rate offered to
                  officers and directors of the Company, provided the Company's
                  cash position does not permit payment of invoices in cash.
<PAGE>

         May 1, 2000
         page 2

         Please acknowledge your agreement with the terms of this consulting
arrangement by affixing your signature to this copy.

                                             Sincerely yours,

                                             /s/ JOHN B.M. FROHLING
                                             -----------------------------------
                                             JOHN B.M. FROHLING

AGREED TO AND ACCEPTED
THIS 1ST DAY OF  MAY, 2000

THE TIREX CORPORATION

By /s/ JOHN THRESHIE
   -----------------------------
       JOHN THRESHIE, PRESIDENT

JBMF:cawAGREEMENT

BETWEEN:                    TIREX CANADA, located at 740, St-Maurice St., suite
                            201, Montreal (Quebec) H3C1L5, represented herein by
                            its President, Mr. Terence C. Byrne, who is duly
                            authorized for the purposes hereof

                            hereinafter referred to as "the Company"

AND:                        M.D. CONSULTANTS, located at 1547, chemin Royal,
                            Saint-Laurent, Ile d'Orleans (Quebec) G0A 3Z0,
                            represented herein by its president, Mr. Michel
                            DeBlois, who is duly authorized for the purposes
                            hereof:

                            hereinafter referred to as "the Consultant",

THE PARTIES AGREE:

PURPOSE

1.       The purpose of this agreement is to establish the terms and conditions
         of the contract between the Company and the Consultant in a spirit of
         mutual cooperation and advancement.

MANDATE

2.       A leading business segment for the Company involves manufacturing
         molded products containing tire derived recycled rubber. The Company
         wants to implement a fully commercial facility for the beginning of
         August 1998. Molded adjustment rings constitute the first line of
         products to be developed and marketed throughout North America.

<PAGE>

              The Consultant's mandate includes the following:
<TABLE>
<CAPTION>

            ------------------ ------------------------------------------------------------- --------------------
            ACTIVITY                            DESCRIPTION                                  ESTIMATED COSTS
            ------------------ ------------------------------------------------------------- --------------------
<S>                            <C>                                                               <C>
                    1          Receiving product's specs to be met, identify binders,
                               fillers, crumb rubber and additive suppliers, get samples
                               plus initial evaluation                                            3,260$
            ------------------ ------------------------------------------------------------- --------------------
                    2          Initial testing plus property evaluation on a small scale
                               with various critical variables: crumb rubber sources, mesh
                               size, crumb rubber-binder-additives activator ratios,
                               curing temperature, mixing conditions as to optimize cost
                               performance results plus minimize production cycles; use as
                               starting point all information available from competing
                               technologies.                                                      9,330$
            ------------------ ------------------------------------------------------------- --------------------
                    3          Physical, chemical plus mechanical property optimization,
                               first on small scale basis and then on scale up (full
                               commercial scale) basis; comparisons with Competitor's
                               products; focus on product improvements over competitors'
                               weaker points (e.g., premature aging, inconsistent product
                               properties, mass balance deficiencies, long curing time,
                               low automation level, easy to copy recipes);                      12,975$
            ------------------ ------------------------------------------------------------- --------------------
                    4          Identify available equipment (used and/or new) that could
                               be acquired plus installed plus tested plus optimized
                               within 10 weeks according to prescribed specs.                     1,515$
            ------------------ ------------------------------------------------------------- --------------------
                    5          Plant plus equipment layout plus configuration (e.g.,
                               electrical requirements, etc.)                                     2,150$
            ------------------ ------------------------------------------------------------- --------------------
                    6          Full scale equipment integration plus testing plus
                               corrective measures where needed;                                  5,505$
            ------------------ ------------------------------------------------------------- --------------------
                    7          Full scale product, testing, fine tuning.                          6,325$
            ------------------ ------------------------------------------------------------- --------------------
                    8          QA/QC protocol implementation plus initial staff training
                               plus ASTM test, coordination;                                      4,150$
            ------------------ ------------------------------------------------------------- --------------------
                    9          Initial commercial scale start-up operations.                      2,650$
            ------------------ ------------------------------------------------------------- --------------------
                               Contingencies (10%)                                                4,786$
            ------------------ ------------------------------------------------------------- --------------------
                                                                                TOTAL            52,646$
</TABLE>

NOTES:

o   Testing facilities for small scale work will be provided by the Consultant;
o   R&D activity reports will be presented by the Consultant periodically;
o   Milestones meeting with Company's senior management will be scheduled
    monthly.

<PAGE>

GENERAL FINANCIAL TERMS AND CONDITIONS

3.       The Consultant's fee schedule will be as follow:

                           First 75 hours/month      all additional hours/month

         Michel Deblois:       100$/hour                    85$/hour
         Engineer:              65$/hour                    55$hour
         Technician:            45$/hour                    38$/hour

         The Consultant's fees will not exceed 53,000$ in total (including a 10%
         contingency and excluding hotel, travel expenses and taxes). Expenses
         will be billed to the Company as they are incurred.

         All expenses must be pre-approved by the Company. Usual expenses shall
         include material purchasing, external lab analytical expenses, living
         and rental expenses, where applicable, and gas, for which the
         Consultant shall be reimbursed t the rate of $0.34/km.

         It is understood that the following are under the Company's
         responsibility:

                o  Raw material purchases
                o  Permits, certificates
                o  Plant modifications (whenever needed), equipment purchase,
                   molds for adjustment rings, transportation, installation

PLANNING AND WORKING SCHEDULE

4.       The Company will determine, in collaboration with the Consultant, the
         human resources allocation required to ensure the most timely and
         fruitful project management activities and overall results.

5.       The Company will remain responsible for project selection and all
         coordination activities with the terms of this agreement.

RESPONSABILITIES OF THE CONSULTANT

6.       The Consultant undertakes to perform their duties diligently and in
         accordance with industry standards; if required and only with the
         Company's consent, the Consultant can use additional qualified
         personnel.

RIGHT OF FIRSTREFUSAL

7.       In the event where the Consultant was developing new products, a new
         line of products or new technologies that present great interest and
         could incur significant competitive advantages to the Company vs its
         competitors, the Consultant will give (subject to certain conditions to

<PAGE>

         be defined on a case by case approach) in writing the right of first
         refusal for a period of 60 days to the Company with respect to
         commercialization rights for these products and/or related technology
         transfer. Monetary settlements will be dealt with on a case by case
         approach.

8.       In the event where the Company identified new products, new lines of
         products or new technologies that present great interest and could
         incur significant competitive advantages to the Company vs its
         competitors, and for which product development has to be initiated up
         to commercial implementation, when proven to be in the Consultant's
         area of expertise, the Company will give (subject to certain conditions
         to be defined on a case by case approach) the right of first refusal
         for a period of 30 days to the Consultant with respect to external
         resources assistance. Monetary settlements will be dealt with on a case
         by case approach.

CONTRACT RESILIATION

9.       The present Agreement shall terminate, without other notice, on the
         occurance of any of the following situations:

                o  If one or both parties commit an Act of insolvency/
                   bankruptcy, whether voluntary or involuntary;
                o  Failure by the Consultant to meeting any of its
                   obligations under the terms of this Agreement

TAX CREDITS

10.      It is understood that only the Company will be able to claim tax
         credits and/or financial assistance from various public and parapublic
         programs (e.g. grants, loans, etc.) for activities undertook within the
         scope of this agreement.

CONFIDENTIALITY AND INTELLECTUAL PROPERTY

11.      The Consultant acknowledges that it will acquire information (the
         `Information') about certain matters that are confidential to the
         Company, which Information is the exclusive property of the Company,
         including, but not limited to, the following:

                o  Discoveries, inventions, research and development, formulas
                   and technology, improvements, written books, any item
                   developed in which copyright, patent or any Intellectual
                   Property right subsists (hereinafter the `Works');
                o  Trade secrets;
                o  Lists of present and prospective customers and buying habits;
                o  Purchase requirements;
                o  Pricing and sales policies and concepts;
                o  Financial information, and;
                o  Business plans, forecasts and market strategies.

<PAGE>

         The Consultant acknowledges that the Information could be used to the
         detriment of the Company and that its disclosure could cause
         irreparable harm to the Company. Accordingly, the Consultant undertakes
         to treat confidentially all Information and not to disclose it to any
         third party or to use it for any purpose either for the duration of the
         Agreement, except as may be necessary in the proper discharge of its
         mandate, or after termination of the Agreement for any reason, except
         with the written permission of the Company.

PLACE OF THE AGREEMENT

12.      For the purposes hereof and of the performance of this agreement, it
         shall be deemed to have been made and entered into in the City of
         Montreal, in the Judicial District of Montreal, in the province of
         Quebec, and it shall be subject to the laws of Quebec.

COMING INTO FORCE AND TERMS OF THE CONTRACT

13.      This agreement shall come into force when it has been signed by all
         parties.

14.      Unless agreed by both parties and for reasons beyond the reasonable
         control of either parties, all terms pertaining to this contract should
         be completed by August 15, 1998.

15.      If, for a serious reason beyond the reasonable control of either
         parties, one party cannot comply with the terms of this agreement
         momentarily, it will notify the other parties of this situation. In
         turn, during that period, the other parties will not be required to
         comply with the terms of the Agreement. If such a period was to be
         continued to the extent that it could jeopardize the commercial
         viability of projects undertook within the realm of this Agreement,
         either party will have the right to terminate it.

         IN WITNESS WHEREOF, THE PARTIES HAVE SIGNED THE ORIGINALS OF THIS
         AGREEMENT.

                                              THE COMPANY

                                              by: /s/
                                                  --------------------------
                                              Date:

                                              THE CONSULTANT

                                              by: /s/
                                                  --------------------------
                                              Date:

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