Document:

FORBEARANCE AGREEMENT

      This Forbearance Agreement (this "AGREEMENT") is entered into as of July
21, 2006, by and between SCIENCE DYNAMICS CORPORATION, a Delaware corporation
(the "COMPANY"), and LAURUS MASTER FUND, LTD., a Cayman Islands company (the
"PURCHASER"), with reference to the following facts:

      A.    The Company and the Purchaser are parties to, among others, the
following documents:

            1.    Securities Purchase Agreement dated February 11, 2005 (the
                  "PURCHASE AGREEMENT");
            2.    Secured Term Note dated February 11, 2005, in the principal
                  amount of $2,000,000, executed by the Company in favor of the
                  Purchaser (the "TERM NOTE");
            3.    Common Stock Purchase Warrant dated February 11, 2005, for the
                  purchase of up to 6,000,000 shares of Common Stock of the
                  Company, executed by the Company in favor of the Purchaser
                  (the "INITIAL WARRANt");
            4.    Registration Rights Agreement dated February 11, 2005 (the
                  "REGISTRATION RIGHTS AGREEMENT");
            5.    Master Security Agreement dated February 11, 2005 (the
                  "SECURITY AGREEMENT");
            6.    Stock Pledge Agreement dated February 11, 2005 (the "STOCK
                  PLEDGE AGREEMENT");
            7.    Subsidiary Guaranty dated February 11, 2005 (the
                  "GUARANTIES");
            8.    Joinder Agreement dated February 23, 2005 executed by Systems
                  Management Engineering, Inc., a Virginia corporation and
                  majority owned subsidiary of the Company, and the Purchaser;
            9.    Amendment and Waiver dated November 18, 2005;
            10.   Common Stock Purchase Warrant dated November 18, 2005, for the
                  purchase of up to 3,000,000 shares of Common Stock of the
                  Company, executed by the Company in favor of the Purchaser
                  (the "ADDITIONAL WARRANT"); and
            11.   Default Waiver Agreement dated May 16, 2006 and effective May
                  4, 2006.

The above-referenced documents and all other documents executed in connection
therewith between the Company and the Purchaser are hereinafter collectively
referred to as the "OPERATIVE DOCUMENTS."

      B. Certain Events of Default (the "EXISTING DEFAULTS") may have occurred
and are continuing under the Operative Documents by virtue of, among other
things: (1) the Company's failure to pay accrued interest and principal on the
Term Note when due; and (2) the Company's failure to comply with certain
registration requirements of the Registration Rights Agreement. The Existing
Defaults entitle the Purchaser to immediately enforce all the rights and
remedies set forth in the Operative Documents, including, but not limited to,
the right of the Purchaser to exercise its rights with respect to the Collateral
pursuant to the Security Agreement and the right of the Purchaser to exercise
its rights with respect to the Collateral pursuant to the Stock Pledge
Agreement.

                                        1
<PAGE>

      C. The Purchaser acknowledges that the Company has encountered operational
difficulties and needs to attract additional financing. In order to attract such
financing the Company has requested that the Purchaser waive the Existing
Defaults and forbear from exercising its remedies under the Operative Documents
and to amend as set forth herein certain provisions of the Operative Documents,
and the Purchaser has agreed to do so on the terms set forth herein.

NOW, THEREFORE, for good and valuable consideration, the parties agree as
follows:

1.    Defined Terms. Capitalized terms not otherwise defined herein shall
have the same meanings as set forth in the Operative Documents.

2.    Acknowledgment of Liability. The Company acknowledges that pursuant to
the Stock Pledge Agreement and the Security Agreement, the Purchaser has a
valid, first priority security interest in the Pledged Stock and all of the
assets of the Company and its Subsidiaries and that the Existing Defaults are
existing and uncured Events of Default under the Operative Documents, which are
continuing to the date of this Agreement.

3.    Forbearance. The Company acknowledges the Existing Defaults are
existing and uncured Events of Default under the Operative Documents, which are
continuing as of the date of this Agreement. The Company further acknowledges
and agrees that the Purchaser is not in any way agreeing to waive such Existing
Defaults as a result of this Agreement or the performance by the parties of
their respective obligations hereunder or thereunder except as expressly set
forth herein and the Purchaser expressly reserves its rights and remedies in
regards thereof except as expressly set forth herein. Subject to the conditions
contained herein and performance by the Company of all of the terms of this
Agreement, the Purchaser shall waive the Existing Defaults identified in Recital
B above and agrees to forbear from enforcing the remedies set forth in clauses
(i) through (vi) below, and shall forbear from exercising the following remedies
it has as a result of the occurrence of the Existing Defaults through the date
of this Agreement (the "FORBEARANCE PERIOD"): (i) enforcing the Default Payment
pursuant to Article IV of the Term Note, (ii) acceleration of the principal,
interest and other fees that remain unpaid pursuant to Article IV of the Term
Note, (iii) enforcement of the Guaranties, (iv) enforcement of all accrued and
unpaid liquidated damages pursuant to Section 2(b) of the Registration Rights
Agreement, (v) enforcement of the default provisions set forth in Section 5 of
the Security Agreement, and (vi) enforcement of the default provisions set forth
in Sections 3, 5(c), 6, 7 and 14 of the Stock Pledge Agreement. It is expressly
agreed and understood by the parties hereto that in the event that the Company
fails to repay (x) at least $250,000 of the Principal Amount of the Term Note to
the Purchaser (through cash payment of immediately available funds only), not
including the payment required to be made as of the date hereof, on or prior to
August 1, 2006 (the "AUGUST REPAYMENT") or (y) at least $2,000,000 of the
Principal Amount of the Term Note (through conversion or cash payment of
immediately available funds only) to the Purchaser on or before August 31, 2006,
an Event of Default shall immediately arise upon the occurrence of either such
repayment failure. Additionally, this forbearance shall not be construed as an
agreement by the Purchaser to forbear from exercising any of its rights or
remedies under the Operative Documents with respect to any further Events of
Default that may occur after date of this Agreement.

                                        2
<PAGE>

4.    Termination. Upon satisfaction of the Conditions Precedent pursuant to
Section 9 of this Agreement the Registration Rights Agreement shall be
immediately terminated.

5.    Amendment. To the extent this Agreement constitutes an amendment of the
Operative Documents, the parties by signing their signature below agree to such
amendment of the Operative Documents. The parties agree to the following
amendments which shall be effective immediately upon signing this Agreement:

      (a)   Section 10 of the Purchase Agreement is hereby deleted in its
            entirety and replaced with the following: "10. Reserved."

      (b)   The Term Note is hereby amended and restated in the form attached
            hereto as Exhibit A (the "AMENDED AND RESTATED TERM NOTE"). For the
            avoidance of doubt, the amendment and restatement of the Term Note
            as set forth in this Section 5(b) shall be in substitution for and
            not in satisfaction of the Term Note.

      (c)   Upon the receipt by the Holder of (x) the August Repayment and (y)
            8,333,333 duly authorized and validly issued shares of Common Stock
            of the Company (the "CONVERSION SHARES") upon conversion of $500,000
            of the outstanding principal amount under the Amended and Restated
            Term Note at a fixed conversion price of $0.06 per share, which
            conversion the Holder undertakes to request of the Company by no
            later than August 1, 2006 provided that the August Repayment has
            been made, the following amendments shall be made to, and be deemed
            effective immediately following such time in respect of, the Amended
            and Restated Term Note and the Purchase Agreement:

            i.    In the first paragraph of the Term Note, the Maturity Date of
                  February 11, 2008 is hereby revised and replaced with "August
                  31, 2006."

            ii.   Section 1.1(b) of the Term Note is hereby deleted in its
                  entirety and replaced with the following: "1.1(b) Reserved."

            iii.  Section 1.2 of the Term Note is hereby deleted in its entirety
                  and replaced with the following:

                  "1.2 Principal Payments. The Borrower shall pay the remaining
                  $750,000 of the principal amount outstanding under this Note
                  (the "PRINCIPAL AMOUNT") to the Holder on or before the
                  Maturity Date."

            iv.   All references in the Term Note to "Secured Convertible Term
                  Note" and "Convertible Term Note" are hereby revised and
                  replaced with the term "Secured Term Note."

            v.    All references to the Note or the Secured Term Note being
                  convertible into Common Stock of the Company, references to
                  Common Stock issuable upon conversion of the Note or Secured
                  Term Note and similar references are hereby deleted.

            vi.   Section 2.1 of the Term Note is hereby deleted in its entirety
                  and replaced with the following: "2.1 Reserved."

            vii.  Section 2.2 of the Term Note is hereby deleted in its entirety
                  and replaced with the following: "2.2 Reserved."

                                        3
<PAGE>

            viii. Article III of the Term Note is hereby deleted in its entirety
                  and replaced with the following:

                                  "ARTICLE III
                                    RESERVED"

            ix.   Section 4.7 of the Term Note is hereby deleted in its entirety
                  and replaced with the following: "4.7 Reserved."

            x.    Section 4.8 of the Term Note is hereby deleted in its entirety
                  and replaced with the following: "4.8 Failure to Deliver
                  Replacement Note. The Borrower shall fail to deliver a
                  replacement Note to Holder within seven (7) business days
                  following the required date of such issuance pursuant to the
                  Note, the Purchase Agreement or any Related Agreement (to the
                  extent required under such agreements)."

            xi.   Section 4.12 of the Term Note is hereby deleted in its
                  entirety and replaced with the following: "4.12 Reserved."

            xii.  All references in the Term Note to Section 1.1(b) of the Term
                  Note is hereby deleted.

            xiii. All references in the Purchase Agreement to "Convertible Note"
                  and "Convertible Term Note" are hereby revised and replaced
                  with the term "Term Note."

            xiv.  All references in the Purchase Agreement to the Note or the
                  Term Note being convertible into Common Stock of the Company,
                  references to Common Stock issuable upon conversion of the
                  Note or the Term Note and similar references are hereby
                  deleted.

            xv.   References in Section 5.8(a) of the Purchase Agreement to
                  "Common Stock" are hereby deleted.

            xvi.  All references in the Purchase Agreement to "Note Shares" are
                  hereby deleted.

            xvii. Section 9 of the Purchase Agreement is hereby deleted in its
                  entirety and replaced with the following: "9. Reserved."

      (d)   The Initial Warrant is hereby amended and restated in the form
            attached hereto as Exhibit B (the "AMENDED AND RESTATED INITIAL
            WARRANT").

      (e)   The Additional Warrant is hereby amended and restated in the form
            attached hereto as Exhibit C (the "AMENDED AND RESTATED ADDITIONAL
            WARRANT").

                                        4
<PAGE>

6.    Outstanding Principal and Interest. After consummating the transactions
contemplated pursuant to this Agreement, including, without limitation, the
payment by the Company to the Purchaser of $500,000 as set forth in Section 9(b)
hereof, the Purchaser hereby acknowledges and agrees that, as of such date, the
outstanding principal amount of the Term Note equals $1,500,000 and the
outstanding accrued and unpaid interest pursuant to the Term Note equals
$18,361.08. Except as set forth in the preceding sentence, the Purchaser
acknowledges and agrees that there is no other outstanding indebtedness due to
the Purchaser or any affiliate of the Purchaser from the Company.

7.    Representations and Warranties. The Company hereby represents and
warrants that:

      (a) No Event of Default or failure of condition has occurred or exists, or
would exist with notice or lapse of time or both under any of the Operative
Documents, other than the Existing Defaults.

      (b) The Forbearance Period granted pursuant to the terms of this Agreement
is reasonable and is based upon the projections of the Company and the Company's
reasonable expectations regarding its ability to make payments on the Principal
Amount of the Term Note.

      (c) All representations and warranties of the Company in this Agreement
and the Operative Documents are true and correct as of the date hereof, and
shall survive the execution of this Agreement.

8.    Rights and Remedies. Upon the occurrence and during the continuance of
any further Events of Default that may occur after date of this Agreement, the
Purchaser may, at its election, exercise any rights and remedies authorized by
the Operative Documents and/or applicable law. The Purchaser's rights and
remedies under the Operative Documents shall be cumulative. The Purchaser shall
have all other rights and remedies not inconsistent herewith or therewith as
provided by law or in equity. No exercise by the Purchaser of one right or
remedy shall be deemed an election, and no waiver by the Purchaser of any Event
of Default on the part of the Company shall be deemed a continuing waiver. No
delay by the Purchaser shall constitute a waiver, election, or acquiescence by
it.

9.    Forbearance Agreement Closing Conditions. As a condition to the
effectiveness of this Agreement (other than in respect of Section 5(b) which
shall become effective as of the date of receipt by the Purchaser of this
Amendment and Exhibit A, each duly executed by the Company), the Purchaser shall
have received, in form and substance satisfactory to the Purchaser, the
following ("CONDITIONS PRECEDENT"):

      (a) this Agreement, duly executed by the Company;

      (b) $500,000 in immediately available funds from the Company, which
represents $500,000 of the Principal Amount of the Term Note;

      (c) 1,000,000 duly authorized and validly issued shares of Common Stock of
the Company (the "PAYMENT Shares"); and

      (d) such other documents, and completion of such other matters, as the
Purchaser may reasonably deem necessary or appropriate to accomplish the
objectives of this Agreement.

10.    Further Assurances. The Company will take such other actions as the
Purchaser may reasonably request from time to time to accomplish the objectives
of this Agreement.

                                        5
<PAGE>

11.    Consultation of Counsel. Each party hereto acknowledges that it has
had the opportunity to be represented by legal counsel of its own choice
throughout all of the negotiations that preceded the execution of this
Agreement. Each party has executed this Agreement after reviewing and
understanding each provision of this Agreement and without reliance upon any
promise or representation of any person or persons acting for or on behalf of
the other party. Each party further acknowledges that it and its counsel have
had adequate opportunity to make whatever investigation or inquiry they may deem
necessary or desirable in connection with the subject matter of this Agreement
prior to the execution hereof and the delivery and acceptance of the
consideration described herein.

12.    Notices. Unless otherwise provided in this Agreement, all notices or
demands by any party relating to this Agreement or any other agreement entered
into in connection herewith shall be in writing and shall be personally
delivered or sent by a recognized overnight delivery service, certified mail,
postage prepaid, return receipt requested, or by facsimile to the Company or to
the Purchaser, as the case may be, at its addresses set forth below.

       If to the Company:       Science Dynamics Corporation
                                7150 N. Park Drive, Suite 500
                                Pennsauken, NJ 08109
                                Attention: Paul Burgess, Chief Executive Officer
                                Facsimile: (856) 910-1811

       With a copy to (for informational purposes only):

                                Sichenzia Ross Friedman Ference LLP
                                1065 Avenue of the Americas, 21st Floor
                                New York, NY 10018
                                Attention: Gregory Sichenzia, Esq.
                                Facsimile: (212) 930-9725

       If to the Purchaser:     Laurus Master Fund, Ltd.
                                c/o M&C Corporate Services Limited
                                P.O. Box 309 GT
                                Ugland House
                                George Town
                                South Church Street
                                Grand Cayman, Cayman Islands
                                Facsimile: (345) 949-8080

      The parties hereto may change the address at which they are to receive
notices hereunder, by notice in writing in the foregoing manner given to the
other.

13.   Miscellaneous.

      (a) Successors and Assigns. This Agreement shall be binding upon and shall
inure to the benefit of the Company and the Purchaser and their respective
successors and assigns; provided, however, that the foregoing shall not
authorize any assignment by the Company of its rights or duties hereunder.

                                        6
<PAGE>

      (b) Integration. This Agreement and any documents executed in connection
herewith or pursuant hereto contain the entire agreement between the parties
with respect to the subject matter hereof and supersede all prior agreements,
understandings, offers and negotiations, oral or written, with respect thereto
and no extrinsic evidence whatsoever may be introduced in any judicial or
arbitration proceeding, if any, involving this Agreement.

      (c) Effect of This Agreement. This Agreement does not impair, alter,
waive, annul, vary or affect any provision, acknowledgement, representation,
condition, covenant, right, security interest, lien or remedy contained in the
Operative Documents or in any other instrument or agreement at any time executed
by the Company in favor of the Purchaser, except as expressly provided in this
Agreement. The Company and the Purchaser intend that the terms and provisions
contained in the Operative Documents shall continue in full force and effect
subject to the terms of this Agreement. In the event that the terms of this
Agreement conflict with those of the Operative Documents, the terms of this
Agreement shall govern.

      (d) Course of Dealing; Waivers. No course of dealing on the part of the
Purchaser or its partners, nor any failure or delay in the exercise of any right
by the Purchaser, shall operate as a waiver thereof, and any single or partial
exercise of any such right shall not preclude any later exercise of any such
right. The Purchaser's failure at any time to require strict performance by the
Company of any provision shall not affect any right of the Purchaser thereafter
to demand strict compliance and performance. Any suspension or waiver of a right
must be in writing signed by an authorized signatory on behalf of the Purchaser.

      (e) Time is of the Essence. Time is of the essence as to each and every
term and provision of this Agreement and the other Operative Documents.

      (f) Counterparts. This Agreement may be signed in counterparts and all of
such counterparts when properly executed by the appropriate parties thereto
together shall serve as a fully executed document, binding upon the parties.

      (g) Legal Effect. The Operative Documents remain in full force and effect.
If any provision of this Agreement conflicts with applicable law, such provision
shall be deemed severed from this Agreement, and the balance of this Agreement
shall remain in full force and effect.

      (h) Governing Law; Jurisdiction. This Agreement shall be governed by, and
construed in accordance with, the laws of the State of New York without regard
to principles of conflicts of laws. The parties hereby agree that all actions or
proceedings arising directly or indirectly from or in connection with this
Agreement shall be litigated exclusively in the United States District Court for
the Southern District of New York located in New York County, New York, New
York. The parties consent and submit to the jurisdiction and venue of the
foregoing courts and consent that any process or notice of motion or other
application to said court or a judge thereof may be served inside or outside the
State of New York or the Southern District of New York (but with respect to any
party hereto, such consent shall not be deemed a general consent to jurisdiction
and service for any third parties) by registered mail, return receipt requested,
directed to the party being served at its address provided in or pursuant to
this Agreement (and service so made shall be deemed complete three (3) days
after the same has been posted as aforesaid) or by personal service or in such
other manner as may be permissible under the rules of said court.

                                        7
<PAGE>

      (i) Registration Rights. If at any time after the date hereof there is not
an effective registration statement covering all of the Conversion Shares, the
Payment Shares and the shares of Common Stock of the Company issuable upon
exercise of the Initial Warrant and the Additional Warrant (collectively, the
"WARRANT SHARES" and, together with the Conversion Shares and the Payment
Shares, the "SHARES") and the Company shall determine to prepare and file with
the Securities and Exchange Commission a registration statement relating to an
offering for its own account or the account of others under the Securities Act
of 1933, as amended (the "SECURITIES ACT"), of any of its equity securities,
other than on Form S-4 or Form S-8 (each as promulgated under the Securities
Act) or their then equivalents relating to equity securities to be issued solely
in connection with any acquisition of any entity or business or equity
securities issuable in connection with a stock option or other employee benefit
plans, then the Company shall include in such registration statement all of such
Shares to the extent the Company may do so without violating registration rights
of others which exist as of the date of this Agreement, subject to customary
underwriter cutbacks applicable to all holders of registration rights. The
Company's registration obligations pursuant to this paragraph shall continue
until the earlier of: (a) the date when all of the Shares have been sold
publicly by the Purchaser pursuant to an effective registration statement; or
(b) the date when all of the Shares may be sold without restriction pursuant to
Rule 144(k) under the Securities Act.

      IN WITNESS WHEREOF the undersigned have executed this Forbearance
Agreement as of the first date above written.

SCIENCE DYNAMICS CORPORATION                LAURUS MASTER FUND, LTD.

By:    /s/ Paul Burgess                     By:    /s/ David Grin
   ---------------------------                 ---------------------
Name:  Paul Burgess                         Name:  David Grin
Title: Chief Executive Officer              Title: Director

                                        8EXHIBIT 10.152

                        CONFIDENTIAL SETTLEMENT AGREEMENT

      This Confidential  Settlement  Agreement  ("Agreement") is entered into by
and between  CH2M Hill  Lockwood  Greene as the  successor  to  Lockwood  Greene
Engineers, Inc. ("LGE") and HiEnergy Technologies,  Inc. ("HiEnergy") as of this
20th Day of July,  2006.  LGE and  HiEnergy  are  referred to  sometimes  herein
individually as a "Party" and collectively as the "Parties".

                                    Recitals

      WHEREAS,  there is now pending in the County  Court at Law No. 2 of Dallas
County,  Texas that certain lawsuit styled Lockwood  Greene  Engineers,  Inc. v.
HiEnergy Technologies, Inc., Cause No. 05-12059-B (the "Suit") wherein LGE seeks
recovery of  $35,038.66 in amounts past due and owing from HiEnergy (the "Amount
Due"), plus interest, attorneys fees and costs, under theories of sworn account,
breach of contract and quantum meruit.

      WHEREAS,  on or about July 12,  2006,  LGE filed its  Motion  for  Summary
Judgment  in the Suit asking for  judgment  on the Amount Due,  plus an award of
$9,668.50 in attorneys fees through the summary  judgment  hearing,  interest as
allowed by law and costs;

      WHEREAS,  the Motion for  Summary  Judgment is set to be heard on July 28,
2006 and a trial of the Suit has been set for August 14,  2006,  if LGE's Motion
for Summary Judgment is not granted; and

      WHEREAS,  the Parties desire to compromise  their claims in order to avoid
the  uncertainty  and expense of further  litigation  according to the terms set
forth herein.

      NOW,  THEREFORE,  in consideration of the covenants and agreements  herein
set forth, and other good and valuable consideration, the Parties have agreed as
follows:

I. DEFINITIONS

(a) "Purchase  Order" means HiEnergy  Purchase Order Number G24AG7 issued to LGE
in the not to exceed  amount of  $82,875.00  and attached to  Plaintiff's  First
Amended Petition in the Suit as Exhibit "A".

(b) "Claims" means any and all actions,  causes of action,  suits,  liabilities,
fines,  penalties,   orders,  debts,  obligations,   sums  of  money,  accounts,
reckonings,  bonds, bills,  specialties,  covenants,  contracts,  controversies,
agreements,  promises, variances, trespasses, damages, judgments, executions and
other claims and demands  whatsoever,  in law, in equity, or otherwise,  whether
known or unknown,  and whether or not  concealed  or hidden,  which exist or may
exist now,  including  but not limited to claims for money,  contract  balances,
additional services,  reimbursable expenses, interest, damages, attorneys' fees,
or otherwise and asserted or that could have been asserted in the Suit,  whether
by LGE or by HiEnergy,  and arising from the Purchase Order.  All claims arising
out of this Agreement or any claims arising in the future relating to any future
contracts,  transactions  or other  dealings  between the Parties are  expressly
excluded from the definition of Claims for purposes of this Agreement.

                                  Page 1 of 5
<PAGE>

II. TERMS AND CONDITIONS

The Parties  hereto  stipulate  and agree to resolve the matters  alleged in the
Suit and any Claims pursuant to the following terms and conditions:

      1. Confidentiality. In addition to any confidentiality requirements of the
Purchase Order which shall survive the execution of this Agreement, the entirety
of this Agreement shall be treated by the Parties as confidential  and its terms
may not be disclosed by the Parties or their counsel to any person or entity not
a party hereto, except to a party's outside auditors and counsel,  except to the
extent that such disclosure is required by law,  including,  without limitation,
disclosure in filings with the Securities and Exchange Commission,  or as may be
required to enforce the terms of this Agreement.  It shall not be a violation of
this  section for a Party to  disclose  upon  inquiry  that the dispute has been
resolved  to  the  Parties'   mutual   satisfaction   on   confidential   terms.
Notwithstanding  the  foregoing,  the  Parties  may  disclose  the terms of this
Agreement  to the extent  reasonably  required to insurers  in  connection  with
policy matters.

      2.  Payments.  HiEnergy  shall make cash  payments to LGE in the aggregate
amount of $40,000 in full  settlement of the matters alleged in the Suit and any
Claims, in four equal installments payable as follows:

            a. $10,000 on or before the close of business on July 21, 2006;

            b. $10,000 on or before the close of business on October 20, 2006;

            c.  $10,000 on or before the close of business on January 19,  2007;
and

            d. $10,000 on or before the close of business on April 20, 2007

Each of the above payments shall be made by cashier's check,  certified check or
wire transfer.

      3.  Dismissal  of Suit.  Following  the  execution  by the Parties of this
Agreement,  LGE shall  immediately  cause its attorneys to non-suit or otherwise
cause the Suit to be dismissed, without prejudice to the refiling of same.

      4.  Conditional  Release  by LGE.  Provided  and upon the  condition  that
HiEnergy shall pay LGE each of the installment  payments required by Paragraph 2
of this Agreement on or before the date when each such payment is due, then LGE,
for itself and its officers, directors, agents, employees, affiliates, partners,
members,  successors  and  assigns,  does hereby  release and forever  discharge
HiEnergy and its respective officers, directors, agents, employees,  affiliates,
partners, members, successors and assigns from the Claims. Upon LGE's receipt of
the last required installment payment required by Paragraph 2 of this Agreement,
and  provided  that  HiEnergy  shall have  timely  made each of the first  three
installment payments to LGE required by Paragraph 2 of this Agreement,  then the
foregoing  Conditional Release by LGE shall then become an unconditional release
by LGE of HiEnergy of the Claims.

                                  Page 2 of 5
<PAGE>

      5. Failure to Comply.  In the event HiEnergy shall fail to make any or all
of the installment payments required by the this Agreement when due or otherwise
fail  perform its  obligations  hereunder,  and  provided  that LGE has provided
written  notice to HiEnergy of its default  under this  Agreement and a ten (10)
day  opportunity  to cure,  then LGE shall be free to refile  the Suit.  In such
event,  LGE's  damages shall only be reduced by the total amount of all payments
made by HiEnergy hereunder, it being expressly understood and agreed that in the
event LGE  refiles the Suit,  LGE shall be  entitled to recover any  outstanding
balance of the Amount Due, the full amount of its  attorneys'  fees  incurred in
collecting  the full  Amount  Due,  plus  interest as allowed by law on the full
Amount Due from the date payment of the Amount Due was  originally due LGE until
the date of actual  collection  of the full Amount Due or any part of the Amount
Due from HiEnergy.

      6.  Unconditional  Release  by  HiEnergy.  HiEnergy,  for  itself  and its
officers,   directors,   agents,  employees,   affiliates,   partners,  members,
successors and assigns,  does hereby  release and forever  discharge LGE and its
respective  officers,  directors,  agents,  employees,   affiliates,   partners,
members, successors and assigns from the Claims.

      7. Representations and Warranties

            a. LGE represents and warrants that it has not assigned, transferred
or conveyed,  or purported to have  assigned,  transferred  or conveyed,  to any
person or entity, any claim against HiEnergy, or any other right subject to this
Agreement.

            b. Each of the Parties  warrants to the other that this Agreement is
being entered into willingly and that no promises or  representations  have been
made which are not a part of this Agreement.

            c. Each of the  Parties  have  consulted  with  counsel of their own
choosing and has  participated  in drafting this Agreement and no party is to be
understood  to be the drafter of the  Agreement  for purposes of  construing  it
against the drafter.

      8.  Notices.  All  notices,  requests,  certifications,  demands  or other
communications  related in any way to this Agreement shall be in writing and may
be delivered by overnight courier or facsimile to the addresses  specified below
or such other  address as may be  designated  in writing by notice  given in the
manner herein provided:

                                  Page 3 of 5
<PAGE>

If to LGE:

      Vernon Howerton
      Jenkens & Gilchrist, P.C.
      1445 Ross Avenue, Ste 3200
      Dallas, TX  75202
      Tel. No.: (214) 855-4389
      Fax No.: (214) 855-4300 (fax)

If to HiEnergy:

      HiEnergy Technologies, Inc.
      Attn: Corporate Secretary
      1601-B Alton Parkway, Unit B
      Irvine, California 92606
      Tel. No.: (949) 757-0855
      Fax No.: (949) 757-1477

If  delivered  personally,  such  notice  shall be deemed to be  effective  upon
receipt. If notice is given by overnight courier, such notice shall be deemed to
be effective two (2) business  days  following  deposit with the courier.  If by
facsimile, such notice shall be deemed to be effective one (1) day following the
sending of the facsimile.

      9. Effect of Headings.  Paragraph headings appearing in this Agreement are
provided for  convenience of reference only, and shall in no way be construed to
alter or modify the text hereof.

      10. Binding on Successors and Assigns.  This Agreement  shall inure to the
benefit of and be binding in all respects upon the Parties' successors,  assigns
and transferees.

      11.  Applicable  Law. This Agreement shall be governed by and construed in
accordance  with the laws of the State of Texas, as they exist as of the date of
this  Agreement.  In the event it  becomes  necessary  to refile  the Suit,  the
Parties agree to jurisdiction and venue in the courts Dallas County, Texas.

      12. Counterparts. This Agreement may be executed in any number of multiple
counterparts, each of which shall be an original, and shall comprise one and the
same document.

                                  Page 4 of 5
<PAGE>

      13.  Authority to Execute.  Each of the Parties and signatories  warrants,
covenants  and  represents  that it has executed or caused this  Agreement to be
executed  by duly  authorized  representatives  and that all  corporate  actions
necessary to create a binding and enforceable agreement have been taken.

HIENERGY TECHNOLOGIES, INC.             CH2M HILL LOCKWOOD GREENE

By:  /Roger W. A. Spillmann/            By:  /s/ Steve Yellin/
   --------------------------------        -------------------------------------
   Roger W.A. Spillmann - Pres/CEO         Steve Yellin, Managing Director

Date:    7/20/06                        Date:    7/20/06
     ------------------------------          -----------------------------------

                                  Page 5 of 5

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