Document:

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EXHIBIT 10.2

                              CONSULTING AGREEMENT
                              --------------------

         This Agreement is made and entered into by and between Sol Tech
Corporation (dba Wasteline Performance Corporation in California), 5922-B
Farnsworth Court, Carlsbad, CA 92008 (hereinafter "Contractor") and Covingham
Capital Corp., (hereinafter "Covingham) with principal offices at 174 E.
Dorchester Dr., Salt Lake City, Utah 84103.

                                    RECITALS

         A. Whereas, Covingham is a reporting corporation and is presently
subject to the reporting requirements as provided by Section 13 and 15(d) of the
Securities Exchange Act of 1934. The common stock of Covingham IS NOT presently
listed or trading on any exchange.

         B. Whereas, Covingham is not currently engaging in any substantive
business activity and management has been seeking out potential businesses to
acquire or merge with.

         C. Whereas, Gregory Chachas, the current sole officer and director of
Covingham, is resigning in order to pursue other business opportunities.

         D. Whereas, concurrently with his resignation, Gregory Chachas is
seller 2,100,000 shares of restricted common stock of Covingham owned by him to
USM Capital Group, Inc.

         E. Whereas, Sol Tech and USM Capital Group, Inc. are affiliated
entities.

         F. Whereas, Covingham desires to retain Contractor to continue the
search for potential acquisitions, reorganizations or mergers with another
business.

                                   ARTICLE 1.
                                TERM OF CONTRACT
                                ----------------

         1.1 This Agreement will become effective on the date first stated above
and will continue in effect until the services provided for in this Agreement
have been performed, or until terminated as provided in Article 6, below.

                                   ARTICLE 2.
                     SERVICES TO BE PERFORMED BY CONSULTANT
                     --------------------------------------

         2.1 SERVICES: Consultant agrees to search for, identify arid evaluate
potential acquisitions, mergers or business combinations for the benefit of
Covingham, and proactively participate in negotiating and developing the timing
and structure of those mergers and acquisitions.

         2.2 DELIVERY SCHEDULE: Performance of all services shall commence
immediately upon execution of this Agreement, and shall continue throughout the
term of this Agreement.

         2.3 METHOD OF PERFORMING SERVICES: Consultant will determine the
method, details, and means of performing the above-described services.
Consultant may perform the Services under this Agreement at any suitable time
and location of Consultant's choice.

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         2.4 STATUS OF CONSULTANT: Consultant is and shall remain an independent
contractor. Consultant and any agents or employees of Consultant shall not act
as an officer or employee of Covingham. Covingham assumes no liability for
Consultant's actions in performance, or responsibility for taxes, funds,
payments or other commitments, implied or expressed, by or for Consultant.
Consultant has no authority to assume or create any commitment or obligation on
behalf of, or to bind, Covingham in any respect.

                                   ARTICLE 3.
                                  COMPENSATION
                                  ------------

         3. 1 CONSULTING FEES AND PAYMENT. As compensation for the services
provided hereunder, upon execution of this Agreement, Covingham shall issue
800,000 restricted shares of common stock to certificates to Consultant.
Consultant acknowledges and understands said shares are unregistered and
restricted and acknowledges that any certificate(s) for the shares will contain
the following restrictive legend:

         THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
         WITH THE SECURITIES AND EXCHANGE COMMISSION UNDER THE SECURITIES ACT OF
         1933, AS AMENDED. THE SHARES HAVE BEEN ACQUIRED FOR INVESTMENT AND MAY
         NOT BE SOLD, TRANSFERRED, ASSIGNED, PLEDGED OR HYPOTHECATED IN THE
         ABSENCE OF AN EFFECTIVE REGISTRATION FOR THESE SHARES UNDER SUCH ACT OR
         AN OPINION OF THE COMPANY'S COUNSEL THAT SUCH REGISTRATION IS NOT
         REQUIRED UNDER SAID ACT.

                                   ARTICLE 4.
                           OBLIGATIONS OF CONSULTANT
                           -------------------------

         4.1 NON-EXCLUSIVE RELATIONSHIP: Covingham acknowledges and agrees that
the relationship with Consultant is non-exclusive and Consultant may represent,
perform services for, and contract with, as many additional clients, persons or
companies as Consultant in Consultant's sole discretion sees fit.

         4.2 CONSULTANT'S QUALIFICATIONS: Consultant represents and warrants
that Consultant has the qualifications and skills necessary to perform the
services under this Agreement in a competent and professional manner, and is
able to fulfill the requirements of this Agreement. Consultant shall comply with
all applicable federal, state and local laws in the performance of its
obligations hereunder, and all materials used by Consultant in fulfilling its
obligations under this Agreement shall not infringe upon any third party
copyright, patent, trade secret or other proprietary right. Consultant
acknowledges and agrees that failure to perform all the services required under
this agreement shall constitute a material breach of the Agreement.

         4.3 INDEMNITY: Consultant agrees to indemnify, defend, and hold
Covingham free and harmless from all claims, demands, losses, costs, expenses,
obligations, liabilities, damages, recoveries, and deficiencies, including
interest, penalties, attorney& fees, and costs, including without limitation
expert witnesses' fees, that Covingham may incur as a result of a breach by
Consultant of any representation or agreement contained in this Agreement.

         4.4 ASSIGNMENT: Neither this Agreement nor any duties or obligations
under this Agreement may be assigned by Consultant without the prior written
consent of Covingham.

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                                   ARTICLE 5.
                            OBLIGATIONS OF COVINGHAM
                            ------------------------

         5. 1 COMPLIANCE WITH REQUESTS: Covingham agrees to comply with all
reasonable requests of Consultant necessary to the performance of Consultant's
duties under this Agreement.

         5.2 INDEMNITY: Covingham agrees to indemnify, defend, and hold
Consultant free and harmless from all claims, demands, losses, costs, expenses,
obligations, liabilities, damages, recoveries, and deficiencies, including
interest, penalties, attorneys' fees, and costs, including without limitation
expert witnesses' fees, that Consultant may incur as a result of any information
provided to Consultant by Covingham under this Agreement.

                                   ARTICLE 6.
                            TERMINATION OF AGREEMENT
                            ------------------------

         6.1 TERMINATION ON NOTICE: Notwithstanding any other provision of this
Agreement, either party may terminate this Agreement at any time by giving
thirty (30) days written notice to the other party. Unless otherwise terminated
as provided in this Agreement, this Agreement will continue in force until the
Services provided for in this Agreement have been fully and completely
performed.

         6.2 TERMINATION ON OCCURRENCE OF STATED EVENTS: This Agreement will
terminate automatically on the occurrence of any of the following events:

                  6.2.1 Bankruptcy or insolvency of either party.

                  6.2.2 Dissolution of either party.

                  6.2.3 Assignment of this Agreement by Consultant without the
         prior written consent of Covingham.

         6.3 TERMINATION FOR DEFAULT: If either party defaults in the
performance of this Agreement, or materially breaches any of its provisions, the
non-breaching party may terminate this Agreement by giving written notification
to the breaching party. Termination will take effect immediately on receipt of
notice by the breaching party or five ( 5) days after mailing of notice,
whichever occurs first. For the purposes of this paragraph, material breach of
this Agreement includes, but is not limited to, the following:

                  6. 3. 1 Consultant's failure to complete the services
         specified in this Agreement.

                  6.3.2 Consultant's material breach of any representation or
         agreement contained in Article 4, above.

                  6.3.3 Covingham's material breach of any representation or
         agreement contained in Article 5, above.

                  6.3.4 Covingham's failure to pay Consultant any compensation
         due.

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                                   ARTICLE 7.
                             COVINGHAM INFORMATION
                             ---------------------

         7. 1 NONDISCLOSURE/NONUSE OF COVINGHAM INFORMATION: Consultant agrees
that all information provided by Covingham to Consultant under this Agreement
shall not be disclosed or used by Consultant for any purpose other than
Consultant's performance under this Agreement.

         7.2 CONFIDENTIAL INFORMATION: Any written, printed, graphic, or
electronically or magnetically recorded information furnished by Covingham for
Consultant's use is and shall remain the sole property of Covingham. This
proprietary information includes, but is not limited to, investor lists,
marketing information, planning, drawings, specifications, and information
concerning Covingham's employees, products, services, prices, and operations.
Consultant will keep this confidential information in the strictest confidence,
and will not disclose it by any means to any person except with Consultant's
prior written approval, and only to the extent necessary to perform the services
under this Agreement. This prohibition also applies to Consultant's employees,
agents, and subcontractors. On termination of this Agreement or request by
Covingham, Consultant will return within two (2) days any confidential
information in Consultant's possession to Covingham.

                                   ARTICLE 8.
                               GENERAL PROVISIONS
                               ------------------

         8.1 NOTICES: Any notices to be given by either party to the other shall
be in writing and may be transmitted either by personal delivery or by mail,
registered or certified, postage prepaid with return receipt requested. Mailed
notices shall be addressed to the parties at the addresses appearing in the
introductory paragraph of this Agreement, but each party may change that address
by written notice in accordance with this section. Notices delivered personally
shall be deemed communicated as of the date of actual receipt. Mailed notices
shall be deemed communicated as of five (5) days after the date of mailing.

         8.2 ATTORNEYS' FEES AND COSTS: If this Agreement gives rise to a
lawsuit or other legal proceeding between any of the parties hereto, the
prevailing party shall be entitled to recover court costs, necessary
disbursements (including expert witnesses' fees) and reasonable attorneys' fees,
in addition to any other relief such party may be entitled.

         8.3 ENTIRE AGREEMENT: This Agreement supersedes any and all other
agreements, either oral or in writing, between the parties hereto with respect
to the services provided by Consultant to Covingham under this Agreement, and
contains all of the covenants and agreements between the parties with respect to
this Agreement in any manner whatsoever. Each party to this Agreement
acknowledges that no representations, inducements, promises, or agreements,
orally or otherwise, have been made by any party, or anyone acting on behalf of
any party, which are not embodied herein, and that no other agreement,
statement, or promise not contained in this Agreement shall be valid or binding.

         8.4 MODIFICATIONS: Any modification of this Agreement will be effective
only if it is in writing signed by the party to be charged.

         8.5 EFFECT OF WAIVER: The failure of either party to insist on strict
compliance with any of the terms, covenants, or conditions of this Agreement by
the other party shall not be deemed a waiver of that term, covenant, or
condition, nor shall any waiver or relinquishment of any right or power at any
one time or times be deemed a waiver or relinquishment of that right or power
for all or any other times.

         8.6 PARTIAL INVALIDITY: If any provision in this Agreement is held by a
court of competent jurisdiction to be invalid, void, or unenforceable, the
remaining provisions shall nevertheless continue in full force without being
impaired or invalidated in any way.

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         8.7 LAW GOVERNING AGREEMENT: This Agreement shall be governed by and
construed in accordance with the laws of the State of California.

         8.8 JURISDICTION/VENUE: Jurisdiction and venue for any dispute arising
out of this Agreement shall be exclusively in the County of San Diego, State of
California.

         8.8 CONSTRUCTION: If any construction is to be made of any provision of
this Agreement, it shall not be construed against either party on the ground
such party was the drafter of the Agreement or any particular provision.

         8.9 TIME: Time is of the essence in this Agreement.

         8.10 CORPORATE AUTHORIZATION: If any signatory of this Agreement is a
corporation, said signatory represents and warrants that this Agreement and the
undersigned's execution of this Agreement have been duly authorized and approved
by the corporation's Board of Directors. The undersigned officers and
representatives of the corporation(s) executing this Agreement on behalf of the
corporation(s) represent and warrant they are officers of the corporation(s)
with full authority to execute this Agreement on behalf of the corporation(s).

         IN WITNESS WHEREOF, the undersigned have executed this Agreement,
effective as of October 21, 2002.

COVINGHAM:                                 CONSULTANT:

Covingham Capital Corp.                    Sol Tech Corporation

/S/ GREGORY J. CHACHAS                     /S/ ROBERT C. BREHM
-----------------------                    -------------------
By: Gregory J. Chachas                     By: Robert C. Brehm
Its: President and Secretary               Its: President<PAGE>
EXHIBIT 10.4

               FIRST AMENDMENT TO COMMON STOCK PURCHASE AGREEMENT

         THIS FIRST AMENDMENT TO COMMON STOCK PURCHASE AGREEMENT (the
"Amendment"), dated as of August 3, 2004, by and between SUB SURFACE WASTE
MANAGEMENT OF DELAWARE, INC., a Delaware corporation (the "Company"), and FUSION
CAPITAL FUND II, LLC (together with its permitted assigns, the "Buyer").
Capitalized terms used herein and not otherwise defined herein shall have the
meanings given them in the Common Stock Purchase Agreement.

         WHEREAS, the parties hereto are parties to a Common Stock Purchase
Agreement dated as of June 10, 2004 (the "Common Stock Purchase Agreement");

         WHEREAS, pursuant to the Common Stock Purchase Agreement, the Buyer has
agreed to purchase, and the Company has agreed to sell up to $6,000,000 of the
Common Stock all in accordance with the terms and conditions of the Common Stock
Purchase Agreement;

         WHEREAS, the parties desire to amend the Common Stock Purchase
Agreement.

NOW, THEREFORE, in consideration of the agreements, covenants and considerations
     contained herein, the parties hereto agree as follows:

          1.   Amendments.

               a.   The first sentence of Section 10(g) is hereby amended and
                    restated in its entirety as follows:

               "Floor Price" means initially $0.50, which amount may be
               increased or decreased from time to time as provided below,
               except that in no case shall the Floor Price be less than $0.10."

          2.   EFFECT OF AMENDMENT/INCORPORATION OF CERTAIN PROVISIONS. Except
               as amended as set forth above, the Common Stock Purchase
               Agreement shall continue in full force and effect. The provisions
               set forth in Section 11 of the Common Stock Purchase Agreement
               are hereby incorporated by reference into this Amendment.

                                    * * * * *

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         IN WITNESS WHEREOF, the Buyer and the Company have caused this First
Amendment to Common Stock Purchase Agreement to be duly executed as of the date
first written above.

                                  THE COMPANY:

                                  SUB SURFACE WASTE MANAGEMENT OF DELAWARE, INC.

                                  By: /S/ BRUCE S. BEATTIE
                                      ------------------------------------------
                                      Name: Bruce S. Beattie
                                      Title: Chief Executive Officer

                                  BUYER:

                                  FUSION CAPITAL FUND II, LLC
                                  BY: FUSION CAPITAL PARTNERS, LLC
                                  BY: SGM HOLDINGS CORP.

                                  By: /s/ Steven G. Martin
                                      ------------------------------------------
                                      Name: Steven G. Martin
                                      Title: President

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