                                                                    Exhibit 10.1


                                             CONTRACT ORDER

                                             June 21, 2004

Perma-Fix Environmental Services, Inc.

663 Emory Valley Road                        LBIO-65121
Oak Ridge, TN 37830                          Contract Order No.
Tammy Monday                                 Page 1 of 6*
865-813-1309/865-813-1301 (fax)              *(last page for --------- use only)
email address: tmonday@perma-fix.com


                                              ----------------------------------
                                              Issuing Point


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                                              Issued By

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This  document,  when  properly  executed by both parties,  shall  constitute an
agreement (Agreement) between -------- (hereinafter referred to as --------),  a
Delaware  corporation  having its principal  place of business at --------,  and
Perma-Fix Environmental  Services,  Inc. (a Tennessee  corporation),  having its
principal  place of  business  at 663 Emory  Valley  Road,  Oak Ridge,  TN 37830
(hereinafter  referred to as CONTRACTOR);  also collectively  referred to as the
Parties.

1.    SERVICES

      CONTRACTOR shall, except to the extent otherwise expressly stated herein,
      furnish all labor, supervision, materials, tools, equipment, facilities,
      permits and services and do all things necessary, as -------- elects, to
      provide Mixed Waste Treatment and Disposal for the Billerica site located
      in Billerica, MA, in accordance with the following documents which are
      attached and made a part hereof by this reference:

      1.    Exhibit "A," Scope of Work, dated October 31, 2003

      2.    Exhibit "B", -------- Material Removal Services General Conditions,
            DUPA-GC6 (rev. 06/21/04)

      3.    CONTRACTOR Proposal No. 2003-12-001, "Billerica Waste Treatment
            Specification"

      4.    Exhibits "C", CONTRACTOR pricing dated May 12, 2004

            This Scope of Work may be modified, from time to time, by mutual
            written agreement of the Parties.

2.    SCHEDULE OF WORK

      This Agreement will become effective as of June 10, 2004, and will
      continue in full force and effect through June 30, 2005, unless earlier
      terminated by --------, without cause, at any time, upon thirty (30) days
      prior written notice to CONTRACTOR. Such termination, which shall be
      accomplished without penalty unless otherwise specifically stated herein,
      shall not relieve or release either -------- or CONTRACTOR from any
      rights, liabilities or obligations they may have accrued under the law or
      terms of this Agreement prior to the date of such termination.


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<PAGE>

                                             CONTRACT ORDER

                                             June 21, 2004

Perma-Fix Environmental Services, Inc.

663 Emory Valley Road                        LBIO-65121
Oak Ridge, TN 37830                          Contract Order No.
Tammy Monday                                 Page 2 of 6*
865-813-1309/865-813-1301 (fax)              *(last page for --------- use only)
email address: tmonday@perma-fix.com


                                              ----------------------------------
                                              Issuing Point


                                              ----------------------------------
                                              Issued By

================================================================================

      The term "obligations" in the context of this article includes Services
      which have been authorized by -------- Contract Order release(s) but not
      yet delivered. Said release(s) shall be completed even if delivery must
      occur after the termination date hereof.

3.    COMPENSATION

      As consideration for Services properly provided hereunder, -------- agrees
      to pay and CONTRACTOR agrees to accept as compensation the lump sum amount
      of six million two hundred seventeen thousand eight hundred sixty-one
      dollars and 75/100 ($6,217,681.75) per Article 35 of DUPA-GC-6 (rev.
      06/21/04), Terms of Payment page 18;

                  Treatment  = $5,313,982.28
                  Disposal   = $  903,879.47
                               -------------
                               $6,217,861.75

      CONTRACTOR shall invoice -------- for services provided meeting the Scope
      of Work hereunder. The -------- Contract Administrator will approve
      invoices for payment.

4.    TERMS OF PAYMENT

      CONTRACTOR shall invoice -------- monthly for all Services properly
      provided under this Agreement during the preceding month. Terms of payment
      will be net thirty (30) days after -------- receives a properly prepared
      and correct CONTRACTOR invoice. A properly prepared and correct invoice is
      an original document received at the proper -------- address, as defined
      in the Notices article herein, that clearly and legibly includes, as a
      minimum:

      o     the--------contract order number and release number (if applicable);

      o     CONTRACTOR'S complete name and remit to address; o "bill to"
            stating--------;

      o     a detailed description of the Service;

      o     price, consistent with the compensation schedule of this Agreement;

      o     quantity, consistent with the compensation schedule of this
            Agreement;

      o     unit of measure, consistent with the compensation schedule of this
            Agreement;

      o     CONTRACTOR'S invoice number;

      o     invoice date;

      o     total monetary amount;


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<PAGE>

                                             CONTRACT ORDER

                                             June 21, 2004

Perma-Fix Environmental Services, Inc.

663 Emory Valley Road                        LBIO-65121
Oak Ridge, TN 37830                          Contract Order No.
Tammy Monday                                 Page 3 of 6*
865-813-1309/865-813-1301 (fax)              *(last page for --------- use only)
email address: tmonday@perma-fix.com


                                              ----------------------------------
                                              Issuing Point


                                              ----------------------------------
                                              Issued By

================================================================================


      o     terms of payment, including any applicable discount calculations;

      o     freight terms, if applicable;

      o     tax amount/rate information; and

      o     bill of lading number or packing list number as appropriate.

      Incomplete invoices will be returned to CONTRACTOR unpaid and unprocessed.

      If CONTRACTOR'S invoice does not indicate that CONTRACTOR is an
      incorporated entity, by use of the words (or abbreviations)
      "Incorporated", "Corporation", or "P.C." as a part of CONTRACTOR'S company
      name, then CONTRACTOR shall display its tax identification number (TIN) on
      the invoice in lieu of such designations. Failure to furnish such
      information may result in withholding thirty-one percent (31%) of
      Agreement payments in accordance with IRS regulations.

      Payment shall be considered made when payment checks are mailed by
      -------- or when Electronic Funds Transfer through the Automated Clearing
      House (EFT/ACH) is initiated by --------. CONTRACTOR'S invoice will be
      accompanied by such records or other written proof as -------- deems
      adequate to verify the billings appearing therein.

5.    CONTRACT ADMINISTRATOR

      The -------- Contract Administrator for this Agreement is --------.

6.    NOTICES

      All notices required under this Agreement shall be in writing, or if oral
      must be confirmed in writing by electronic mail or facsimile (with proof
      of transmission capability) the next business day. Written notices shall
      be deemed received if delivered to the Party entitled to receive the same
      by hand or if deposited in the United States Mail (First Class, Registered
      Mail or Certified Mail, Return Receipt Requested) or by confirmed courier
      addressed to such Party at the address set forth below:

      All notices required or contemplated under this Agreement shall be
      addressed as follows:

      a. Proposed price changes, correspondence or notices involving the
      contractual relationship should be sent to:

      --------
      Attention:  --------


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<PAGE>

                                             CONTRACT ORDER

                                             June 21, 2004

Perma-Fix Environmental Services, Inc.

663 Emory Valley Road                        LBIO-65121
Oak Ridge, TN 37830                          Contract Order No.
Tammy Monday                                 Page 4 of 5*
865-813-1309/865-813-1301 (fax)              *(last page for --------- use only)
email address: tmonday@perma-fix.com

================================================================================

      b. Insurance Certificates, Accountability Reports, Safety Reports, and
      routine performance summaries are to be sent to:

      --------
      Attention:  --------

      c. Invoices are to be sent to:

      --------
      Attention:  Accounts Payable

      d. CONTRACTOR will contact the -------- Accounts Payable Department at
      -------- or by telephone at -------- for questions regarding payment
      status. CONTRACTOR must provide -------- Purchase Order number, your
      invoice number, invoice date, and your name/phone number.

      e. -------- correspondence, information, documents, notices or payments to
      CONTRACTOR shall be sent personally or by first-class mail to:

      Perma-Fix Environmental Services, Inc.
      Attention:  Tammy Monday
      663 Emory Valley Road
      Oak Brook, TN  37830

      Either Party may change its address for notice hereunder upon no less than
      thirty (30) days prior written notice thereof to the other Party.

7.    GENERAL CONDITIONS

      CONTRACTOR will perform all Services in accordance with the --------
      Material Removal


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<PAGE>

                                             CONTRACT ORDER

                                             June 21, 2004

Perma-Fix Environmental Services, Inc.

663 Emory Valley Road                        LBIO-65121
Oak Ridge, TN 37830                          Contract Order No.
Tammy Monday                                 Page 5 of 6*
865-813-1309/865-813-1301 (fax)              *(last page for --------- use only)
email address: tmonday@perma-fix.com


                                              ----------------------------------
                                              Issuing Point


                                              ----------------------------------
                                              Issued By

================================================================================

      Services General Conditions, DUPA-GC6 (rev. 06/02/04), attached hereto as
      Exhibit "B" and made a part hereof. Any inconsistent terms or conditions
      submitted by CONTRACTOR shall not apply unless they are: (1) reduced to
      writing and signed by both Parties hereto; and (2) expressly referred to
      as being modifications of the General Conditions.

8.    ENTIRETY

      This Agreement, together with the attachments and exhibits specifically
      referenced and attached hereto, embodies the entire understanding between
      -------- and CONTRACTOR and, except as otherwise specifically stated
      herein, there are no contracts, understandings, conditions, or
      representations, oral or written, with reference to the subject matter
      hereof which are not merged herein. Except as otherwise specifically
      stated, no modification hereto shall be of any force or effect unless (1)
      reduced to writing and signed by both Parties hereto, and (2) expressly
      referred to as being modifications of this Agreement.

      Please have your authorized representative execute in the space provided
      below, indicating acceptance of this Agreement. CONTRACTOR will keep one
      original and return one executed copy of this Agreement to --------,
      --------. The -------- copy must be returned, before work can begin or
      payment can be made against this Agreement.

Perma-Fix Environmental Services, Inc.            --------

BY:  /s/ Jim Morrison                        BY:   ----------
    --------------------------------            ------------------------------
    Business Manager                            Strategic Sourcing Manager -
                                                Environmental Services
    --------------------------------            ------------------------------
               Title                                      Title


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