Document:

EXHIBIT 10.134

                                ADDENDUM - No. 4
                           AMENDMENT TO & EXTENSION OF
                         STANDARD INDUSTRIAL COMMERCIAL
                     MULTI-TENENT LEASE - GROSS LEASE OF THE
                   AMERICAN INDUSTRIAL REAL ESTATE ASSOCIATION
                            EXECUTED 15 OCTOBER 2002

1.    Basic Provisions ("Basic Provisions").

      1.1 Parties: This Lease ("Lease") Extension, dated for reference purpose
only September 15, 2005, is made and between Del Mar Avionics, a California
Corporation ("Lessor") and HiEnergy Technologies, Inc. ("Lessee").

      1.2(a) Revised Premises: That certain portion of t he project as defined
below known by the street address at 1601-B Alton Parkway, City of Irvine,
County of Orange, State of California with zip code 92606, as outlined in
Exhibit A attached hereto ("Premises") and generally described as: approximately
seventeen thousand (17,000) square foot portion of a larger site approximately
124,000 square feet freestanding building, most all of which is provided with
year-round air conditioning, parking, spaces for automobiles in accordance with
City of Irvine employment dictates for employees, access to truck docking as
needed for deliveries and immediate access to a large trash service dumpster.

      1.2(b) Parking: 24 unreserved parking spaces.

      1.3 Term: 1 year and 0 months (second term) commencingOctober 15, 2005.

      1.4 Early Possession: Not applicable.

      1.5 Base Rent: $17,590.50 consisting of three special indoor air
conditioned office areas, and a radiation secure area, with overhead HVAC,
totaling 13,262 square feet at $1.20 per square for or $1.10 per square foot
(see table, Exhibit B) plus one outdoor walled-in test area at $1,200 per month,
the latter outdoor facility being authorized by the Lessor on a month-to-month
30-day notice to vacate.

      1.6 Proposed Addition Areas for Lessee by Lessor are indicated on Exhibit
A, attached hereto, by the circled numbers 2 and 4 and, if activated by Lessee
during the lease period, will be billed at $.90 per square foot, per month, and
be formalized by a modification to this basic lease prepared by Lessor.

      1.7 Lessee's Share of Common Area Operating Expense: 13% share - is
included in overall rent; and is included in the listed overall rent is the
electric power bill for the Lessee's various areas of operation which, starting
October 15 and henceforth, will be metered as used each month by Lessee and will
be billed to Lessee for payment the month following.

      1.7 Base Rent and Other Monies applicable to the new lease term starting
October 15, 2005, when one-half of that month's rent becomes due and payable on
or before October 15, 2005. Each month thereafter each month's rent will be due
on the first of each month.

      1.8 Agreed Use: General office and lab space for a product development and
product testing facility.

Del Mar Avionics                            HiEnergy Technologies
Landlord                                    Tenant

                                            /s/ Bogdan Castle Maglich   10/14/05
---------------------------    -------      -------------------------   --------
Bruce Del Mar, President       date         Bogdan Castle Maglich,      date
                                            Ph. D., PresidentEXHIBIT 10.135

                              BURNHAM HILL PARTNERS

                        A DIVISION OF PALI CAPITAL, INC.

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570 LEXINGTON AVENUE                                            TEL 212-980-2200
NEW YORK, NEW YORK 10022                                        FAX 212-980-9466
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September 26, 2005

Dr. Bogdan Maglich
Chairman and Chief Executive Officer
HiEnergy Technologies, Inc.
1601-B Alton Parkway
Irvine, CA  92606

Gentlemen:

This letter Agreement (the "Agreement") confirms the engagement of Burnham Hill
Partners ("BHP), a division of Pali Capital, Inc., by HiEnergy Technologies,
Inc. (the "Company") to act as its exclusive placement agent in connection with
capital raising through a transaction or transactions exempt from registration
under the Securities Act of 1933, as amended, and in compliance with the
applicable securities laws and regulations.

As compensation related to the proposed financing activity, BHP shall receive a
cash placement fee equal to ten (10%) percent of the gross proceeds up to $3
million and seven (7%) percent of the gross proceeds in excess of $3 million.
The Company, in its sole discretion, may accept or reject any financing terms
proposed pursuant to this Agreement.

During the term of the Agreement, BHP shall act as the Company's exclusive
financial advisor in connection with one or more potential strategic
transactions, which may include an acquisition, partnership, strategic alliance,
merger or a sale or disposition of assets (a "Strategic Transaction"). At the
Company's request, BHP will:

      (a)   assist the Company in analyzing and evaluating the business,
            operations and financial position of each suitable prospect for a
            Strategic Transaction;

      (b)   assist the Company with its due diligence efforts related to each
            potential Strategic Transaction;

      (c)   assist the Company in structuring and negotiating each Strategic
            Transaction and

      (d)   be available at the Company's request to meet with your Board of
            Directors to discuss any proposed Strategic Transaction and its
            financial implications.

<PAGE>

In connection with advisory services related to Strategic Transaction the
Company shall pay BHP a cash fee (or stock fee upon mutual agreement) equal to
three (3%) percent of the aggregate value/consideration received or paid in
connection with such Strategic Transaction.

BHP, or its registered assigns, shall be issued Placement Agent Warrants in an
amount equal to eight (8%) percent of the securities issued in connection with
the financing activity under this agreement. The Placement Agent Warrants shall
be exercisable at the purchase price or exercise price of the common stock or
underlying common stock in the case of convertible securities issued and such
placement agent warrants shall expire five years from the issuance date. The
shares underlying the Placement Agent Warrants shall have standard piggyback
registration rights, and shall be exercisable pursuant to a cashless exercise
provision, subject to the Company's right to call the Placement Agent Warrants
if the common stock closes above $2.00 for ten consecutive trading days. The
common shares underlying the Placement Agent Warrants shall be included in any
registration statement covering the shares issued pursuant to financing activity
under this Agreement.

The Company shall pay to BHP an initial retainer of $10,000, which shall be
deducted from any fees due under the Agreement. The Company shall provide to BHP
periodic reimbursement of all out-of-pocket expenses, which amount shall not
exceed $10,000 without the prior written approval of the Company.

Notice given pursuant to any of the provisions of this Agreement shall be given
in writing and shall be sent by overnight courier or personally delivered (a) if
to the Company, to the Company's Chief Executive Officer at the address listed
above; and (b) if to BHP, to its offices at 570 Lexington Avenue, New York, NY
10022. Attention: Jason Adelman, Managing Director.

No advice or opinion rendered by BHP, whether formal or informal, may be
disclosed, in whole or in part, or summarized, excerpted from or otherwise
referred to without our prior written consent. In addition, BHP may not be
otherwise referred to without its prior written consent. Since BHP will be
acting on behalf of the Company in connection with its engagement hereunder, the
Company has entered into a separate letter Agreement, dated the date hereof,
providing for the indemnification by the Company of BHP and certain related
persons and entities.

BHP's engagement hereunder shall expire twelve (12) months from the date of this
Agreement (the "Authorization Period"). In the event that there has not been an
initial closing with gross proceeds of at least $2,000,000 within thirty (30)
days of the execution of this Agreement, the Company may terminate this
Agreement upon five business days notice. Provided however, that upon the
expiration or termination, BHP will continue to be entitled to its full fees
provided for herein in the event that at any time prior to the expiration of
twelve (12) months after such expiration or termination, a Financing involving
the Company occurs that involves a party contacted by BHP on behalf of the
Company.

                                       2
<PAGE>

Subject to the completion of the initial financing with gross proceeds of at
least $2,000,000, for a period of eighteen (18) months following such closing,
BHP shall have a right of first refusal to act as an underwriter in connection
with a public offering of the Company's securities with BHP receiving no less
than thirty (30%) percent of the deal economics. BHP, at the Company's request,
shall assist the Company in identifying and facilitating a larger bracket
investment bank in pursuing an underwritten public offering of the Company's
securities during the term of this Agreement.

BHP is a division of Pali Capital Inc. The letter agreement shall remain in full
force and effect as to BHP and the Company in the event that BHP becomes an
independent entity. Each of BHP and the Company agrees that the other party has
no fiduciary duty to it or its stockholders, officers and directors as a result
of the engagement described in this Agreement. This Agreement shall be governed
by and construed in accordance with the laws of the State of New York without
regard to conflicts of law principles thereof. This Agreement may not be amended
or modified except in writing signed by each of the parties hereto.

The invalidity or unenforceability of any provision of this letter Agreement
shall not affect the validity or enforceability of any other provisions of this
Agreement or the Indemnification Agreement, which shall remain in full force and
effect.

We are delighted to accept this engagement and look forward to working with you
on this assignment. Please confirm that the foregoing is in accordance with your
understanding by signing and returning to us the enclosed duplicate of this
Agreement.

                                    Very truly yours,

                                    Burnham Hill Partners

                                    By: /s/ Jason Adelman
                                        ---------------------
                                        Name:  Jason Adelman
                                        Title: Managing Director

Accepted and Agreed to as of the date first written above:

By: B.C. Maglich
    -----------------------------
    Name:  B.C. Maglich
    Title: CEO

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