Document:

Exhibit 10.1
                                                                    ------------

                              EMPLOYMENT AGREEMENT
                              --------------------

         This EMPLOYMENT AGREEMENT ("Agreement") is made and entered into as of
this first (1st) day of May, 2003, ("Effective Date") by and between MR3
Systems, Inc., a Delaware corporation, ("EMPLOYER") located at 435 Brannan
Street, Suite 200, San Francisco, California 94107, and Randall S. Reis
("EMPLOYEE") whose mailing address is P.O. Box 3002, Moss Beach, CA 94038.

                                    RECITALS
                                    --------

         WHEREAS, EMPLOYER desires to continue the employment of EMPLOYEE as its
Chief Executive Officer and Chairman of the Board of Directors ("Chairman")
subject to the terms and conditions of this Agreement; and

         WHEREAS, EMPLOYEE wishes to be employed by EMPLOYER to serve as its
Chairman and Chief Executive Officer.

         NOW, THEREFORE, in consideration of the recitals, covenants, conditions
and promises contained herein, the parties hereto agree as follows:

                                    ARTICLE I
                              EMPLOYMENT AND DUTIES
                              ---------------------

1.1      Employment. EMPLOYER hereby engages EMPLOYEE to serve in the capacity
         of Chief Executive Officer and Chairman of the Board of Directors, of
         EMPLOYER and EMPLOYEE hereby accepts said employment on the terms and
         conditions set forth in this Agreement.

1.2      Duties. Duties identical to the duties which have been performed by
         Employee for the Corporation since its formation in 1991.

1.3      Hours. EMPLOYEE shall devote his full time, attention and energies to
         the business of EMPLOYER and shall not, during the term of this
         Agreement, be engaged in any other full or part-time employment or
         other affiliation, which will keep him from fulfilling his duties to
         EMPLOYER hereunder (allowing for reasonable amounts of time to oversee
         personal interests and currently existing business relationships).
         Notwithstanding anything to the contrary contained herein, nothing in
         this Agreement shall be construed to prevent EMPLOYEE from
         participation in professional association activities approved by
         EMPLOYER.

1.4      Representation and Warranty of EMPLOYEE. EMPLOYEE represents and
         warrants to EMPLOYER that performance of his duties will not violate
         any agreements with, or trade secrets of, any other person or entity.

                                   ARTICLE II
                                  COMPENSATION
                                  ------------

2.1      Base Salaries.

         2.1.1    An annual salary in the amount of $120,000 per year but has
                  never been paid in full. Salary may be accrued and can also be
                  convertible, in whole or in part, into shares of the
                  Corporation's Common Stock at the per share market price in
                  effect at the end of each applicable pay period. EMPLOYEE must
                  notify the Corporation of such conversion, in writing, within
                  30 days of the end of the applicable pay period.

                                                                               1
<PAGE>
         2.1.2    Said Base Salaries shall be paid to EMPLOYEE monthly in
                  accordance with EMPLOYER's payroll practices. All Salaries
                  shall be subject to all appropriate and required payroll
                  deductions.

2.2      Stock Options. EMPLOYER grants to EMPLOYEE 5-year Warrants, commencing
         as of the Effective Date, to purchase 1,000,000 Shares of the Common
         Stock of EMPLOYER ("Options") at an exercise price of $0.10 per share.

2.3      Benefits. EMPLOYEE shall be entitled to the following fringe benefits:

         (a)      Vacation and Sick Days. EMPLOYEE shall be entitled to the
                  vacation and sick day benefits accorded employees as
                  established by the EMPLOYER personnel policies.

         (b)      Federal and State Holidays. EMPLOYEE shall be paid for federal
                  and state holidays in accordance with EMPLOYER'S holiday
                  policy.

         (c)      Professional Association Dues, Subscriptions and Attendance at
                  Professional Association Meetings. EMPLOYER will pay for
                  professional association dues, subscriptions to professional
                  periodicals and payment for attendance at professional
                  association meetings as reasonably approved by the Board of
                  Directors as part of its annual budgeting process.

         (d)      Additional Benefits. EMPLOYEE shall be entitled to such
                  additional benefits, including medical, disability and death,
                  and retirement benefits, bonuses or stock options in
                  accordance with any of those types of benefit plans when and
                  if adopted by EMPLOYER.

         (e)      Automobile Allowance. EMPLOYEE shall be entitled to an
                  automobile allowance of $500/month.

                                   ARTICLE III
                              TERM AND TERMINATION
                              --------------------

3.1      Initial Term. The initial term of this Agreement ("Initial Term") shall
         commence on the Effective Date of this agreement ("Commencement Date"),
         and shall continue in effect until March 31, 2006, unless sooner
         terminated pursuant to the terms of this Agreement.

3.2      Automatic Renewal. Upon completion of the Initial Term, the Agreement
         shall continue from month to month until terminated or until the
         parties negotiate a new term.

3.3      Termination Without Cause. Either party may terminate this Agreement,
         without cause, at any time, upon providing the other party with sixty
         (60) calendar days prior written notice of said termination.
         Termination shall automatically become effective sixty (60) calendar
         days following the giving of said notice ("Effective Date of
         Termination").

3.4      Termination For Cause. Notwithstanding any provision in this Agreement
         to the contrary, EMPLOYER shall have the right to terminate this
         Agreement and EMPLOYEE's employment hereunder for "cause". In the event
         EMPLOYEE is terminated for "cause", termination shall be effective upon
         sixty (60) days prior written notice by EMPLOYER. For purposes of this
         Agreement, "cause" shall be defined as:

         (a)      Conviction of EMPLOYEE of a felony.

         (b)      Conviction of EMPLOYEE of a misdemeanor of moral turpitude,
                  which affects EMPLOYEE's ability to perform his duties under
                  this Agreement.

         (c)      EMPLOYEE's refusal to physically report to work for a period
                  of two (2) weeks for any reason other than authorized vacation

                                                                               2
<PAGE>
                  days, sick days, holidays, attendance at
                  conventions/conferences, or the death or disability of
                  EMPLOYEE.

         (d)      Willful malfeasance or gross negligence of EMPLOYEE.

         (e)      Material refusal by EMPLOYEE to perform his duties, or his
                  substantial neglect of the duties assigned to him.

         (f)      Disloyal, dishonest or illegal conduct by EMPLOYEE.

         (g)      Breach by EMPLOYEE of any other terms of this Agreement and
                  his failure to cure said breach within ten (10) calendar days.

         Notwithstanding any provision of this Agreement to the contrary,
         termination of EMPLOYEE's employment pursuant to this Section 3.5 shall
         result in termination of EMPLOYER's obligation to pay for or provide
         any of the following: (i) Base Salary (except to the extent that said
         Salary has been earned and not yet paid) or (ii) Stock Options (except
         to the extent that said been earned but not yet paid).

3.5      Effect of Termination. Notwithstanding any provision of this Agreement
         to the contrary, upon termination of this Agreement for any cause or
         reason, EMPLOYER shall pay EMPLOYEE for all vacation time accrued but
         not used by EMPLOYEE prior to the Effective Date of Termination as
         required by applicable State laws and regulations.

3.6      Payment Upon Termination by EMPLOYER. Notwithstanding any provision in
         this Agreement to the contrary, if EMPLOYER terminates EMPLOYEE's
         Employment without cause pursuant to Section 3.3 hereof, EMPLOYEE shall
         be entitled to his then base salary for six (6) months at the rate of
         the base salary then in effect, which six month period shall begin on
         the Effective Date of the Termination (the "Severance Benefits"), plus
         the prorated share of vested options due under Section 2.2.1 above. The
         obligation to pay Severance Benefits shall not be subject to credit,
         set-off or diminution by reason of the fact that EMPLOYEE may be
         gainfully employed during the period that such Severance Benefits are
         payable.

                                   ARTICLE IV
                               DISABILITY OR DEATH
                               -------------------

4.1      If EMPLOYEE shall at any time be incapacitated or prevented by illness,
         injury, accident or circumstances beyond his control ("incapacity")
         from discharging his duties pursuant to this Agreement for a total of
         120 days or more in any 24 consecutive calendar months, EMPLOYER may
         then by notice in writing to EMPLOYEE given at any time so long as the
         incapacity shall continue after said 120 days: (i) discontinue payment
         in whole or in part of EMPLOYEE's base salary on and from such date as
         may be specified in the notice until the incapacity shall cease; or
         (ii) whether or not payment shall have already been discontinued as the
         foresaid, terminate this Agreement forthwith on such date as may be
         specified in the notice. Subject to the foregoing, EMPLOYEE's base
         salary shall, notwithstanding the incapacity, continue to be paid to
         EMPLOYEE in accordance with the provisions with this Agreement with
         respect to the period of incapacity prior to such discontinuance or
         termination.

4.2      If the EMPLOYEE dies prior to the expiration of the term of employment,
         the compensation due him from EMPLOYER under this Agreement shall be
         the amount (1) which EMPLOYEE would be paid if permanently disabled,
         plus (2) the amount of Severance Benefits under Section 3.6, and shall
         be paid to his executors, administrators, heirs, personal
         representatives, successors, assigns.

                                                                               3
<PAGE>
                                    ARTICLE V
                                    EXPENSES
                                    --------

         EMPLOYEE shall be entitled to reimbursement for those ordinary and
necessary expenses incurred in performance of his duties hereunder in accordance
with EMPLOYER's standard policy for reimbursement of business expenses for its
executives. Payment for any other expenses shall be subject to the prior written
approval of the Board of Directors of EMPLOYER.

                                   ARTICLE VI
                                 CONFIDENTIALITY
                                 ---------------

         EMPLOYEE agrees to enter into the form of Confidentiality Agreement
attached hereto as Exhibit A and made a part hereof.

                                   ARTICLE VII
                                 NON-COMPETITION
                                 ---------------

         Unless otherwise waived in writing by the EMPLOYER, which waiver shall
not be unreasonably withheld, during the term of this Agreement, EMPLOYEE shall
serve EMPLOYER diligently and to the best of his abilities and shall not compete
with EMPLOYER in any way. Without limiting the generality of the foregoing,
EMPLOYEE shall not, during the term of this Agreement, directly (whether for
compensation or otherwise), alone or as an agent, principal, partner, officer,
employee, trustee, director, shareholder or in any other capacity, own any
interest in, manage, operate, join, control, assist, participate in the
ownership, management, operation or control of, furnish any capital to, be
connected in any manner with or provide any services as a consultant for any
person, corporation, partnership, proprietorship, firm, association, other
entity or business which competes with any business of EMPLOYER and its
affiliates as conducted from time to time.

                                  ARTICLE VIII
                            SOLICITATION OF EMPLOYEES
                            -------------------------

         EMPLOYEE agrees that during his employment and for a period of two
years thereafter, he will not, directly or indirectly, individually or on behalf
of another, solicit or induce EMPLOYER's, employees, agents or consultants to
terminate their relationship with EMPLOYER in order to accept employment, an
agency or a consultancy with EMPLOYEE or another person or entity.

                                   ARTICLE IX
                       CONFIDENTIAL INFORMATION OF OTHERS
                       ----------------------------------

         EMPLOYEE warrants that he is not covered by any restrictive covenant
with another EMPLOYER that would preclude him from performing his duties
hereunder. EMPLOYEE agrees that in performing such duties for EMPLOYER, he will
not use or otherwise divulge confidential or proprietary information, or trade
secrets obtained from a former employer.

                                    ARTICLE X
                                     NOTICES
                                     -------

         All notices required to be given hereunder shall be in writing and
shall be deemed delivered if personally delivered or dispatched by certified or
registered mail, return receipt requested, postage prepaid, addressed to the
parties as follows:

                                                                               4
<PAGE>
                  EMPLOYER:   435 Brannan Street, Suite 200
                              San Francisco, CA 94107
                              Attention: President

                  EMPLOYEE:   P. O. Box 3002
                              Moss Beach, CA 94038

         Notice shall be deemed given on the date it is delivered if delivered
personally, and on the date of the return receipt if dispatched by certified or
registered mail, return receipt requested. Any party may change the address to
which to send notices by notifying the other party of such change of address in
writing.

                                   ARTICLE XI
                                  SEVERABILITY
                                  ------------

         Any terms or provisions of this Agreement, which shall prove to be
invalid, void or illegal shall in no way affect, impair or invalidate any other
term or provision herein and such remaining terms and provisions shall remain in
full force and effect.

                                   ARTICLE XII
                                  GOVERNING LAW
                                  -------------

         The existence, validity and construction of this Agreement shall be
governed by the laws of the State of California.

                                  ARTICLE XIII
                                   ASSIGNMENT
                                   ----------

         Neither party shall assign this Agreement without the prior written
consent of the other. This Agreement shall be binding on the parties and their
respective successors and assigns.

                                   ARTICLE XIV
                                     WAIVER
                                     ------

         The waiver by either party of any one or more defaults, if any, on the
part of the other, shall not be construed to operate as a waiver of any other or
future defaults, under the same or different terms, conditions or covenants
contained in this Agreement.

                                   ARTICLE XV
                              CAPTION AND HEADINGS
                              --------------------

         The captions and headings throughout this Agreement are for convenience
of reference only and shall in no way be held or deemed to be a part of or
affect the interpretation of this Agreement.

                                   ARTICLE XVI
                                 ATTORNEYS FEES
                                 --------------

         In the event that there is any controversy or claim arising out of or
relating to this Agreement, or to the interpretation, breach or enforcement
thereof, and any action or proceeding, is commenced to enforce the provisions of
this Agreement, the prevailing party shall be entitled to an award by the court
of reasonable attorneys' fees, costs and expenses.

                                                                               5
<PAGE>
                                  ARTICLE XVII
                                   COOPERATION
                                   -----------

         Both parties to this Agreement agree to use their best efforts to
cooperate with one another in good faith.

                                  ARTICLE XVIII
                          NO THIRD PARTY BENEFICIARIES
                          ----------------------------

         Nothing in this Agreement, expressed or implied, is intended or shall
be construed to confer upon any person, firm or corporation other than the
parties hereto and their respective successors or assigns, any remedy or claim
under or by reason of this Agreement or any term, covenant or condition hereof,
as third party beneficiaries or otherwise, and all of the terms, covenants and
conditions hereof shall be for the sole and exclusive benefit of the parties
hereto and their successors and assigns.

                                   ARTICLE XIX
                                ENTIRE AGREEMENT
                                ----------------

         This Agreement states the entire contract between the parties with
respect to the subject matter of this Agreement and supersedes any oral or
written proposals, statements, discussions, negotiations, or other agreements
before or contemporaneous to this Agreement. The parties acknowledge that they
have not been induced to enter into this Agreement by any oral or written
representations or statements not expressly contained in this Agreement. This
Agreement may be modified only by mutual agreement of the parties provided that,
before any modification shall be operative or valid, it be reduced to writing
and signed by both parties.

         IN WITNESS WHEREOF, the parties hereto have executed this Agreement on
that day and year, set forth hereinabove.

                                       EMPLOYER
                                       --------

                                       MR3 SYSTEMS, INC.
                                       -----------------

                                       By: /s/ BRADLEY N. ROTTER
                                           ----------------------------------
                                           Bradley N. Rotter, President & COO

                                       EMPLOYEE
                                       --------

                                       /s/ RANDALL S. REIS
                                       --------------------------------------
                                       Randall S. Reis

                                                                               6
<PAGE>
                                   EXHIBIT "A"
                                   -----------

                            CONFIDENTIALITY AGREEMENT
                            -------------------------

THIS AGREEMENT is made and entered into as of this 1st day of April, 2003, by
and between:

MR3 Systems, Inc. ("EMPLOYER "), a Delaware corporation, whose address is 435
Brannan Street, Suite 200, San Francisco, California 94107, and

Bradley N. Rotter ("EMPLOYEE"), whose address is 101 Lombard Street, Suite 101
W, San Francisco, CA 94111.

EMPLOYER and EMPLOYEE, respectively, may each from time to time be individually
referred to herein as a "Party", or collectively as the "Parties", or, as the
case may be, as the "EMPLOYER" or the "EMPLOYEE".

                                    WHEREAS:

         A.       EMPLOYER and EMPLOYEE have entered into a Employment Agreement
                  ("Agreement"); and

         B.       From time to time prior to and during the term of the
                  Agreement, EMPLOYER may disclose confidential and proprietary
                  information to the EMPLOYEE.

NOW IT IS HEREBY AGREED as follows:

         1.       EMPLOYEE hereby agrees to undertake the following with respect
                  to the confidential information listed below and hereby
                  defined as "Confidential Information":

                  (a)      all kinds of drawings, sketches, photographs,
                           layouts, artwork, specifications, including without
                           limitation design, manufacturing, installing, and
                           operating drawings (e.g., copies, films,
                           reproductions, etc.) for the MR3 Technology and/or
                           the operation of a EMPLOYER System, and other related
                           products and matters ("Products");

                  (b)      EMPLOYER's financial and pricing information,
                           business plans, research and development, work in
                           progress, existing and potential commercial
                           relationships, services or marketing plans,
                           information embodied in its technologies, including
                           equipment, systems, software, codes, products or
                           chemical formulas, media, operations, manuals,
                           designs, letters, negotiation documents, product
                           descriptions, part descriptions, data, reports,
                           plans, proposals, know-how, methodology, brochures,
                           descriptions, and other documents and objects of
                           every description and all related information; and

         2.       All Confidential Information shall be treated by the EMPLOYEE
                  as confidential, shall be kept secret by the EMPLOYEE, shall
                  not be disclosed, directly or indirectly, by the EMPLOYEE to

                                                                               7
<PAGE>
                  any third party without the express written consent of the
                  EMPLOYER and shall be used by the EMPLOYEE exclusively for the
                  purposes of performing his obligations under, and otherwise
                  complying with the terms and conditions of, the Agreement,
                  including all attachments, exhibits and schedules thereto.

         3.       The obligations of confidentiality and non-disclosure and the
                  restrictions of use contained herein shall not apply to
                  information, which the EMPLOYEE can demonstrate:

                  (a)      is available to the public at the time it is
                           disclosed or thereafter becomes available to the
                           public; or

                  (b)      is known to the EMPLOYEE at the time of disclosure;
                           or

                  (c)      properly comes into the possession of the EMPLOYEE
                           from an independent source not bound by a
                           confidentiality obligation.

                  However, specific aspects of the Confidential Information
                  shall not be deemed to be within the scope of exceptions (a),
                  (b) and (c) above merely because they are broadly encompassed
                  by more general information which is in the public domain or
                  in the EMPLOYEE's possession or is disclosed to the EMPLOYEE
                  by a third party.

         4.       EMPLOYEE further agrees that without the express prior written
                  permission of EMPLOYER:

                  (a)      it will not use the Confidential Information of MR3
                           to operate (or subcontract others to operate) any
                           high affinity metals capture technology similar to
                           the MR3 System or to produce (or subcontract others
                           to produce) Products or any similar items for anyone
                           other than MR3 ; and

                  (b)      it will not use or otherwise disclose any such
                           Confidential Information to any third party.

         5.       EMPLOYEE confirms that the Confidential Information has been
                  and shall remain the sole property of the EMPLOYER and upon
                  receipt of a request from the EMPLOYER, agrees to immediately
                  return to the EMPLOYER any Confidential Information, including
                  any drawings, photographs, specifications or other documents
                  in its possession without retaining any summaries, photocopies
                  or other reproductions of the above.

         6.       EMPLOYEE further confirms that any Confidential Information
                  received has been and shall remain the property of the
                  EMPLOYER, and the EMPLOYEE shall not claim or apply for any
                  kind of intellectual property rights pertaining to or relevant
                  to the Confidential Information.

         7.       EMPLOYEE acknowledges that the remedies provided by law for a
                  violation of his obligations would be inadequate and that the
                  EMPLOYER will be irreparably damaged in the event of a breach
                  of this Agreement. Consequently, EMPLOYER shall be entitled
                  to, and the EMPLOYEE shall not in any way object to, an
                  injunction restraining any violation of this Agreement, or any

                                                                               8
<PAGE>

                  appropriate decree of specific performance, without any bond
                  or other security, or any proof of irreparable damage, being
                  required.

         8.       The obligations of confidentiality and non-disclosure and the
                  restrictions of use contained herein shall continue for a
                  period of ninety-nine (99) years from the last date that
                  Confidential Information is furnished by a EMPLOYER to a
                  EMPLOYEE.

         9.       This Agreement may not be modified, amended, rescinded,
                  canceled or waived in whole or in part, except by written
                  instrument, signed by both parties, which makes specific
                  reference to this Agreement and which specifies that this
                  Agreement is being amended or otherwise altered. None of the
                  provisions of this Agreement shall be deemed to be waived by
                  any act or acquiescence on the part of either Party, but only
                  by a writing executed by both Parties.

         10.      This Agreement will be binding upon permitted successors and
                  assignees of the Parties. .

         11.

                  (a)      If during the course of any litigation, whether or
                           not the EMPLOYEE is a party to such litigation, the
                           EMPLOYEE is requested or required to disclose
                           Confidential Information obtained under the scope of
                           this Agreement, the EMPLOYEE shall immediately notify
                           EMPLOYER of this fact prior to divulging the
                           Confidential Information and shall give EMPLOYER
                           adequate notice of the requests or requirement so as
                           to allow EMPLOYER sufficient time to seek judicial
                           protection of the Confidential Information.

                  (b)      In the event that any Confidential Information within
                           the possession of the EMPLOYEE is believed by the
                           EMPLOYEE to have fallen recently within an exception
                           set forth in Section 3 above and is, therefore, not
                           Confidential Information, then the EMPLOYEE shall, at
                           least sixty (60) days prior to any disclosure or use
                           of such information for any purpose, notify EMPLOYER
                           of this fact in writing.

         14.      This Agreement shall be governed by and construed in
                  accordance with the laws of the State of California. The
                  Parties hereby agree that any legal action or proceeding
                  arising out of or relating to this Agreement may be brought in
                  the courts of the State of California and the Parties hereby
                  irrevocably submit to the non-exclusive jurisdiction of, but
                  not limited to, the courts of the State of California.

         15.      In the event that there is any controversy or claim arising
                  out of or relating to this Agreement, or to the
                  interpretation, breach or enforcement thereof, and any action
                  or proceeding, is commenced to enforce the provisions of this
                  Agreement, the prevailing party shall be entitled to an award
                  by the court of reasonable attorneys' fees, costs and
                  expenses.

                                                                               9
<PAGE>

         16.      If any one or more of the provisions contained in this
                  Agreement shall, for any reason, be held to be invalid,
                  illegal or unenforceable in any respect, such invalidity,
                  illegality or unenforceability shall not affect any other
                  provisions of this Agreement, but this Agreement shall be
                  construed as if such invalid, illegal or unenforceable
                  provision had never been contained herein. If, moreover, any
                  one or more of the provisions contained in the Agreement shall
                  for any reason be held to be excessively broad as to time,
                  duration, geographical scope, activity or subject, it shall be
                  construed by limiting and reducing it, so as to be enforceable
                  to the extent compatible with the applicable law as it shall
                  then exist.

         IN WITNESS WHEREOF, the duly authorized representatives of the Parties
have signed this Agreement as of April 1, 2003.

EMPLOYER

MR3 SYSTEMS, INC.

By: /s/ BRADLEY N. ROTTER
    ----------------------------------
    Bradley N. Rotter, President & COO

EMPLOYEE

/s/ RANDALL S. REIS
--------------------------------------
Randall S. Reis

                                                                              10Exhibit 10.2
                                                                    ------------

                              EMPLOYMENT AGREEMENT
                              --------------------

         THIS EMPLOYMENT AGREEMENT entered into as of this 14th day of June
2003, between MR3 Systems, Inc., a Delaware corporation, located at 435 Brannan
Street, Suite 200, San Francisco, CA 94107 (the "Company"), and Irving W. DeVoe,
Ph.D., of 127 Front Street, Marblehead, Massachusetts 01945 (the `Executive").

         WHEREAS, the Company desires to employ Executive and to ensure the
continued availability to the Company of the Executive's services, and the
Executive is willing to accept such employment and render such services, all
upon and subject to the terms and conditions contained in this Agreement;

         NOW, THEREFORE, in consideration of the premises and the mutual
covenants set forth in this Agreement, and intending to be legally bound, the
Company and the Executive agree as follows:

         1.       Term of Employment.
                  ------------------

         (a)      Term. The Company hereby employs the Executive, and the
Executive hereby accepts employment with the Company, for a period commencing on
the date of this Agreement and ending three years from the date hereof (the
"Term").

         (b)      Continuing Effect. Notwithstanding any termination of this
Agreement at the end of the Term or otherwise, the provisions of Sections 6 and
7 shall remain in full force and effect and the provisions of Sections 6(a),
6(b) and 7 shall be binding upon the legal representatives, successors and
assigns of the Executive, except as otherwise provided in this Agreement.

         2.       Duties.
                  ------

         (a)      General Duties. The Executive shall serve as Chief Science
Officer for the Company with duties and responsibilities that are customary for
such executives. The Executive will also perform services for such subsidiaries
as may be necessary. The Executive will use his best efforts to perform his
duties and discharge his responsibilities pursuant to this Agreement
competently, carefully and faithfully. In determining whether or not the
Executive has used his best efforts hereunder, the Company's delegation of
authority to other employees and all surrounding circumstances shall be taken
into account and the best efforts of the Executive shall not be judged solely on
the Company's earnings or other results of the Executive's performance.

         (b)      Devotion of Time. The Executive will devote substantially full
time normal business hours (exclusive of periods of sickness and disability and
of such normal holiday and vacation periods as have been established by the
Company) to the affairs of the Company. It is expressly understood that the
Executive will not enter the employ of or serve as a consultant to, or in any
way perform any services with or without compensation to any other persons,
business or organization (other than as set forth above) without the prior
consent of the Board of Directors of the Company.
<PAGE>

         3.       Compensation and Expenses.
                  -------------------------

         (a)      Salary. For the services of the Executive to be rendered under
this Agreement, the Company shall pay the Executive an annual base salary of
$120,000 during the Term. The Company will pay the Executive his annual salary
in equal installments no less frequently than monthly. Salary may be accrued and
can also be convertible, in whole or in part, into shares of the Corporation's
Common Stock at the per share market price in effect at the end of each
applicable pay period. Executive must notify the Corporation of such conversion,
in writing, within 30 days of the end of the applicable pay period.

         (b)      Royalty. The Company shall pay to the Executive an annual
royalty equal to 5% of the Net Profits of the Company received from the sale or
utilization of its MR3 technologies during the Company's fiscal year ending
December 31, of each year. Such royalties shall be paid on or before January 31
of each year during the Term hereof, and shall terminate once a cumulative total
of $2,500,000 in royalties has been paid to the Executive hereunder.

         (c)      Bonuses.

                  The Executive may receive additional annual bonuses if and
when authorized by the Company's Board of Directors.

         (d)      Expenses. In addition to any compensation received hereunder
the Company will reimburse or advance funds to the Executive for all reasonable
travel, entertainment and miscellaneous expenses incurred in connection with the
performance of his duties under this Agreement, provided that the Executive
properly accounts for such expenses to the Company in accordance with the
Company's practices. Such reimbursement or advances will be made in accordance
with policies and procedures of the Company in effect from time to time relating
to reimbursement of or advances to executive officers.

         4.       Benefits.
                  --------

         (a)      Vacation. For each 12-month period during the Term, the
Executive will be entitled to four weeks of vacation without loss of
compensation or other benefits to which he is entitled under this Agreement, to
be taken at such times as the Executive may select and the affairs of the
Company may permit.

         (b)      Employee Benefit Programs. Without limiting the compensation
to which the Executive is entitled pursuant to the provisions of Section 3 or
this Section 4, during the Term, the Executive will be entitled to participate
in any pension, insurance or other employee benefit plan that is maintained at
that time by the Company for its executive officers, including programs of
medical insurance.

         (c)      Automobile Allowance. Executive shall be entitled to an
automobile allowance of $500/month.

                                                                               2
<PAGE>

         5.       Termination.
                  -----------

         (a)      Termination for Cause. The Company may terminate the
Executives employment pursuant to the terms of this Agreement at any time for
cause by giving written notice of termination. Such termination will become
effective upon the giving of such notice, except that termination based upon
clause (iii) below shall not become effective unless the Executive shall fail to
correct such breach within 45 days of receipt of written notice. At the
conclusion of such 45-day period, this alleged breach shall be deemed to have
been cured unless written notice to the contrary is given. Upon any such
termination for cause, the Executive shall have no right to compensation, bonus
or reimbursement under Section 3. "Cause" shall mean: (i) the Executive is
convicted of a felony which is related to the Executive's employment or the
business of the Company; (ii) the Executive, in carrying out his duties
hereunder, has been found in a civil action to have committed gross negligence
or gross misconduct, misappropriated Company funds, or otherwise defrauded the
Company, in any case, in material harm to the Company; and (iii) the Executive
materially breaches any provision of Section 6 or Section 7.

         (b)      Continuing Effect. Notwithstanding any termination of the
Executive's employment as provided in this Section 5, the provisions of Sections
6 and 7 shall remain in full force and effect.

         6.       Non-Competition Agreement.
                  -------------------------

         (a)      Competition with the Company. Except as provided for in
Sections 2(b) and 6(b) hereof, until termination of his employment and for a
period of 6 months commencing on the date of termination, the Executive,
directly or indirectly, in association with or as a stockholder, director,
officer, consultant, employee, partner, joint venturer, member or otherwise of
or through any person, firm, corporation partnership, association or other
entity, will not compete with the Company or any of its affiliates in the offer,
sale or marketing of products or services that are competitive with the products
or services offered by the Company, within any metropolitan area in the United
States or elsewhere in which the Company is then engaged in the offer and sale
of competitive products or services. Additionally, the foregoing shall not
prevent Executive from accepting employment with an enterprise engaged in two or
more lines of business, one of which is the same or similar to the Company's
business (the "Prohibited Business") if Executive's employment is totally
unrelated to the Prohibited Business.

         (b)      Solicitation of Customers. During the periods in which the
provisions of Section 6(a) shall be in effect, the Executive, directly or
indirectly, will not seek Prohibited Business from any Customer (as defined
below) on behalf of any enterprise or business other than the Company, refer
Prohibited Business from any customer to any enterprise or business other than
the Company or receive commissions based on sales or otherwise relating to the
Prohibited Business form any Customer, or any enterprise or business other than
the Company. For purposes of this Section 6(b), the term "Customer" means any
person, firm, corporation, partnership, association or other entity to which the
Company or any of its affiliates sold or provided goods or services during the
12-month period prior to the time at which any determination is required to be
made as to whether any such person, firm, corporation, partnership, association
or other entity is a Customer.

                                                                               3
<PAGE>

         (c)      No Payment. The Executive acknowledges and agrees that no
separate or additional payment will be required to be made to him in
consideration of his undertakings in this Section 6.

         7.       Proprietary Information and Inventions.
                  --------------------------------------

         (a)      The Executive acknowledges that the Company is engaged in a
continuous program of research, development and production respecting its
business, present and future, including fields generally related to its business
and that the Company possesses and will continue to possess information that has
been created by, discovered or developed by, or made known to the Executive
during the period of or arising out of his employment by the Company and/or in
which property rights have been assigned or otherwise conveyed to the Company,
which information has commercial value in the business in which the Company is
engaged. All of the aforementioned information is hereinafter called
"Proprietary Information." By the way of illustration, but not limitation,
Proprietary Information includes trade secrets, processes, formulas, data,
know-how, software programs, improvements, inventions, techniques, marketing
plans, strategies, forecasts, computer programs, copyrightable material, and
customer lists.

         (b)      All Proprietary Information shall be the sole property of the
Company and its assignees, and the Company and its assigns shall be the sole
owner of all patents and other rights in connection therewith.

         The Executive hereby assigns to the Company any rights he may have or
acquire in such Proprietary Information, as well as any rights he may have to
the patents and patents "pending" listed in the attached Exhibit "A." At all
times, both during his employment by the Company and after its termination, the
Executive will keep in confidence and trust all Proprietary Information, and
will not use or disclose any Proprietary Information or anything relating to it
without the written consent of the Company, except as may be necessary in the
ordinary course of performing his duties to the Company.

         (c)      All documents, records, apparatus, equipment and other
physical property, whether or not pertaining to Proprietary Information,
furnished to the Executive by the Company or produced by the Executive or others
in connection with his employment shall be and remain the sole property to the
Company and shall be returned to it immediately as and when requested by the
Company. Even if the Company does not so request, the Executive shall return and
deliver all such property upon termination of his employment for any reason and
the Executive will not take with him any such property or any reproduction of
such property upon such termination.

         (d)      The Executive will promptly disclose to the Company, or any
persons designated by it, all improvements, inventions, formulas, ideas,
processes, techniques, know-how and data, whether or not patentable, made or
conceived of reduced to practice or learned by the Executive, either alone or
jointly with others, during the term of his employment (all said improvements,
inventions, formulas, ideas, processes, techniques, know-how and data shall be
hereinafter collectively called "Inventions").

                                                                               4
<PAGE>

         (e)      The Executive agrees that all Inventions which he developed
(in whole or in part, either alone or jointly with others) and (I) used the
equipment, supplies, facilities or trade secret information of the Company, or
(II) used the hours for which he was compensated by the Company, or (III) which
relates to the business of the Company or its actual or demonstrably anticipated
research and development or (1V) which results, in whole or in part, from work
performed by him for the Company, shall be the sole property of the Company and
its assigns, and the Company and its assigns shall be the sole owner of all
patents and other rights in connection therewith. The Executive hereby assigns
to the Company any rights he may have or acquires in such Inventions. The
Executive further agrees as to all such Inventions to assist the Company in
every proper way, but at the Company's expense; to obtain and from time-to-time
enforce patents on said Inventions in any and all countries, and to that end,
the Executive will execute all documents for use in applying for and obtaining
such patents and copyrights thereon and enforcing same, as the Company may
desire, together with any assignments thereof to the Company or persons
designated by it. The Executive's obligation to assist the Company in obtaining
and enforcing patents for such Inventions in any and all countries shall
continue beyond the termination of his employment, but the Company shall
compensate the Executive at a reasonable and mutually agreed upon rate after
such termination for time actually spent by the Executive at the Company's
request on such assistance. In the event that the Company is unable for any
reason whatsoever to secure the Executive's signature to any lawful and
necessary document required to apply for or execute any patent applications with
respect to such an Invention (including renewals, extensions, continuations,
divisions or continuations in part thereof), the Executive irrevocably
designates and appoints the Company and its duly authorized officers and agents,
as his agents and attorneys-in-fact to act for and in his behalf and instead of
him, to execute and file any such application to do all other lawfully permitted
acts to further the prosecution and issuance of patents thereon with the same
legal force and effect as if executed by the Executive.

         (f)      The Executive represents to the best of his knowledge that his
performance of all the terms of this Agreement will not breach any agreement to
keep in confidence proprietary information acquired by him in confidence or in
trust prior to his employment by the Company. The Executive has not entered
into, and agrees he will not enter into, any agreement either written or oral in
conflict herewith.

         8.       Assignability.
                  -------------

         With the written consent of the Executive, the rights and obligations
of the Company under this Agreement shall inure to the benefit of and be binding
upon the successors or assigns of the Company, provided that such successor or
assign shall acquire all or substantially all of the assets and business of the
Company. The Executive's obligations hereunder may not be assigned or alienated
and any attempt to do so by the Executive will be void.

         9.       Severability.
                  ------------

         (a)      The Executive expressly agrees that the character, duration
and geographical scope of the provisions set forth in this Agreement are
reasonable in light of the circumstances, as they exist on the date hereof.

                                                                               5
<PAGE>

Should a decision, however, be made at a later date by a court or legal
proceeding that the character, duration or geographical scope of such provisions
is unreasonable, then it is the intention of the agreement of the Executive and
the Company that this Agreement shall be construed by the court or tribunal in
such a manner as to impose only those restrictions on the Executive's conduct
that are reasonable in the light of the circumstances and as are necessary to
assure to the Company the benefits of this Agreement. If in a legal proceeding,
a court shall refuse to enforce all of the separate covenants deemed included
herein because taken together they are more extensive than necessary to assure
to the Company the intended benefits of this Agreement, it is expressly
understood and agreed by the parties hereto that the provisions of this
Agreement that, if eliminated, would permit the remaining separate provisions to
be enforced in such proceeding shall be deemed eliminated, for the purposes of
such proceeding, from this Agreement.

         (b)      If any provision of this Agreement otherwise is deemed to be
invalid or unenforceable or is prohibited by the laws of the state or
jurisdiction where it is to be performed, this Agreement shall be considered
divisible as to such provision and such provision shall be inoperative in such
state or jurisdiction and shall not be part of the consideration moving from
either of the parties to the other. The remaining provisions of this Agreement
shall be valid and binding and of like effect as though such provision were not
included.

         10.      Notices and Addresses.
                  ---------------------

         All notices, offers, acceptance and any other acts under this Agreement
(except payment) shall be in writing, and shall be sufficiently given if
delivered to the addressees in person, by Federal Express or similar receipted
delivery, by facsimile delivery or, if mailed, postage prepaid, by certified
mail, return receipt requested to the respective addresses first above written,
or to such other address as either of them, by notice to the other, may
designate from time to time. The transmission confirmation receipt from the
sender's facsimile machine shall be conclusive evidence of successful facsimile
delivery. Time shall be counted to, or from, as the case may be, the delivery in
person or by mailing.

         11.      Counterparts.
                  ------------

         This Agreement may be executed in one or more counterparts, each of
which shall be deemed an original but all of which together shall constitute one
and the same instrument. The execution of this Agreement may be by actual or
facsimile signature.

         12.      Attorneys Fees.
                  --------------

         In the event that there is any controversy or claim arising out of or
relating to this Agreement, or to the interpretation, breach or enforcement
thereof, and any action or proceeding under this Agreement, is commenced to
enforce the provisions of this Agreement, the prevailing party shall be entitled
to an award by the court or arbitrator, as appropriate, of reasonable outside
attorney's fee, costs and expenses.

                                                                               6
<PAGE>

         13.      Governing Law.
                  -------------

         This Agreement and any dispute, disagreement, or issue of construction
or interpretation arising hereunder whether relating to its execution, its
validity, the obligations provided therein or performance shall be governed or
interpreted according to the internal laws of the State of California without
regard to choice of law considerations.

         15.      Entire Agreement.
                  ----------------

         This Agreement constitutes the entire Agreement between the parties and
supersedes all prior oral and written agreements between the parties hereto with
respect to the subject matter hereof. This Agreement may not be changed, waived,
discharged or terminate orally, except by a statement in writing signed by the
party or parties against which enforcement of the change, waiver, discharge or
termination is sought.

         16.      Section and Paragraph Headings.
                  ------------------------------

         The section and paragraph headings in this Agreement are for reference
purposes only and shall not affect the meaning or interpretation of this
Agreement.

         IN WITNESS WHEREOF, the Company and Executive have executed this
Agreement as of the date and first above written.

MR3 SYSTEMS, INC.                      EXECUTIVE

By: /s/ BRADLEY N. ROTTER              By: /s/ IRVING W. DEVOE
    ------------------------------         ------------------------------
    Bradley N. Rotter                      Irving W. DeVoe, Ph.D
    President

                                                                               7
<PAGE>

                                    EXHIBIT A
                                    ---------

                                     PATENTS
                                     -------

TITLE      INVENTORS      COUNTRY           PATENT NO.        DATE
-----      ---------      -------           ----------        ----

1          IWD & BEH      Canada            1,206,057         June 17, 1986
2          IWD & BEH      Canada            1,207,628         July 5, 1986
2          IWD & BEH      Canada            1,215,545         December 23, 1986
2          IWD & BEH      USA               4,626,416         December 2, 1985
2          IWD & BEH      USA               4,530,963         July 23, 1985
2          IWD & BEH      USA               4,585,559         April 29, 1986
2          IWD & BEH      Europe            83/ 107137.8      July 21,1983
2          IWD & BEH      Australia         554,842           July 19, 1983
3          IWD & BEH      Canada            1,211,338         September 16, 1986
3          IWD & BEH      South Africa      84/9177           July 31, 1985
2          IWD & BEH      Europe            84/110,501.8      September 4, 1984
2          IWD & BEH      New Zealand       204,701.00        June 24, 1983
4          IWD & BEH      New Zealand       214,439.00        December 4, 1985
5          IWD & BEH      New Zealand       214,440.00        December 4, 1985
2          IWD & BEH      Japan             58-129604         July 18, 1983
2          IWD & BEH      Australia         33784/84          October 4, 1984
6          IWD & BEH      USA               5,066,371         November 19, 1991
7          IWD & BEH      USA               5,089,123         February 18,1992

PATENT TITLES:

1. Siderophoric compositions

2. Insoluble chelating compositions

3. Insoluble compositions

4. Removal of FE3+. TH3+, UO22+, or mixtures thereof from solution

5. Separation of TH4+ from an insoluble composition

6. Removal of contaminants and recovery of metals from waste solutions

7. Apparatus for continuous removal of materials from liquid

                                                                               8
<PAGE>

                                    EXHIBIT B
                                    ---------

                             ANTIDILUTION AGREEMENT
                             ----------------------

         This ANTIDILUTION AGREEMENT ("Agreement") is made on this day October
19, 1999 by and between Bioponic International ("Bioponic"), a California
Corporation located at Pier 54, San Francisco, California 94107 and Irving W.
DeVoe, an individual residing at 50 Front Street, Marblehead, Massachusetts
01945 for the purpose of granting additional Warrants to maintain the same
percentage of ownership in this Corporation.

THEREFORE, the parties agree as follows:

     1.  Bioponic agrees to grant to Irving W. DeVoe anti-dilution protection
         against any further stock issuances by Bioponic subsequent to June 30,
         1999.

     2.  Bioponic agrees that Irving W. DeVoe shall have the right to maintain
         his thirteen percent (13%) equity ownership in Bioponic, through the
         issuance of Warrants to purchase Common Stock in the Company.

     3.  Bioponic hereby grants to Irving W. DeVoe the right to receive
         additional 5-year Warrants at an exercisable price to 10 cents per
         Common Share, or ten percent (10%) of the price by others for the
         issuance of additional equities securities, whichever is greater. This
         Agreement shall terminate should Irving W. DeVoe cease to be employed
         by the Company.

EXECUTED effective the date first set forth above.

Bioponic International

By: /s/ RANDALL S. REIS                By: /s/ IRVING W. DEVOE
    ------------------------------         ------------------------------
    Randall S. Reis                        Irving W. DeVoe
    Chairman & CEO

                                                                               9

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