Appendix B
                   M&EC/PESI General Agreement
                           Addendum B1
                         November 6, 1998

Contract Award
______________
  On June 23, 1998, East Tennessee Materials and Energy
  Corporation (M&EC) entered into Basic Agreement 1GB-99446V
  with Bechtel Jacobs Company LLC for treatment of Treatment
  Category A: Non-TSCA, RCRA Hazardous Waste with Organics and
  Metals.  Perma-Fix Environmental Services, Inc. (PESI) will
  serve as a subcontractor to M&EC for performance of the work
  on this contract. The full text of the Basic Agreement is
  provided as an attachment to this Addendum.

Scope of Work
_____________
  PESI will support M&EC in providing mixed waste treatment
  services to the Department of Energy (DOE) Management and
  Operating Contractors, Management and Integration Contractors,
  and designated affiliates as listed in Attachment A of the
  contract.  Any supplies and services to be furnished under the
  Basic Ordering Agreement shall be ordered by issuance of
  delivery orders to M&EC by the entities listed in Attachment A
  of the contract.  When an order is received, M&EC will issue a
  task order to PESI defining each company's role in completing
  the delivery order.
    
  The waste offered for treatment under this Basic Agreement is
  generally expected to consist of non-combustible, low-level,
  contact-handled soils, sludge, and other solid material
  meeting the Environmental Protection Agency (EPA) definition
  of debris, all of which is contaminated with organic
  constituents alone, or organic constituents and Resource
  Conservation and Recovery Act (RCRA) metals, including
  mercury.  Some of the waste is contaminated with mercury above
  260 ppm.  The predominant waste codes in this category
  (Treatment Category A) will be D004 through D011 and F001
  through F007.  Additional codes that are expected include D018
  through D043 and those listed codes that may need similar
  treatment technology.  Polychlorinated Biphenyls (PCBs), at
  levels requiring regulation under the Toxic Substances Control
  Act (TSCA) are not present in this waste.  Cyanide levels in
  the raw waste will be less than 30 mg/kg (amenable) and 590
  mg/kg (total).  The radionuclides in the raw waste will be
  below licensing levels at the disposal facility and consist of
  radioactive elements that are accepted for disposal at the
  disposal facility.

Time Frame for the Project
__________________________
  The term of the Basic Agreement is five years from the date
  signed (June 28, 1998).  Bechtel Jacobs Company has the option
  of extending this Agreement annually after the initial term
  has expired.


                            APPENDIX B
                           ADDENDUM B1
                  M&EC/PESI - GENERAL AGREEMENT
                                                 November 6, 1998
                           PAGE 1 of 1


Roles and Expectations from Each Company
________________________________________

  Each delivery order will provide: 
    
  A complete description of waste, quantity (in kg) of waste,
  and unit price of Waste based on the tier pricing 
  structure per Attachment B of the contract.
  Delivery or performance period.
  Place of delivery or performance.
  Packaging, packing, and shipping instructions, if any.
  Any other pertinent information.
    
  At the time delivery orders are received, Task Orders will be
  attached to this Addendum that specifically define the roles
  of M&EC and PESI in performance of the delivery order.  Task
  Orders will be numbered in the following manner:  Task B1.XX
  with B1 referring to this addendum and .XX being the
  sequentially numbered task.

Price for Specific Services
___________________________
  The price for specific services provided by PESI will be
  determined on a per task basis and will be based on the
  portion of the work scope performed by PESI.

Contact Person for each Company
_______________________________
    East Tennessee Materials and Energy Corporation
    
    Mr. Bill Hillis
    109 Jefferson Avenue
    Oak Ridge, Tennessee 37830
    Phone: (423) 425-1257
    Fax:   (423) 425-1253

    Perma-Fix Environmental Services, Inc.
    
    Mr. Tim Kimball
    7928 Ranchitos Loop, N.E.
    Albuquerque, New Mexico 87113
    Phone: (505) 897-7537
    Fax:   (505) 898-1832
    
  In addition to the contact persons named above, contact
  persons may be named for specific tasks.

Additional Conditions Required
______________________________
  All terms and conditions included in Basic Agreement Number
  1GB-99446V that govern M&EC's work on this contract also apply
  to PESI.


                            APPENDIX B
                           ADDENDUM B1
                  M&EC/PESI - GENERAL AGREEMENT
                                                 November 6, 1998
                           PAGE 2 of 1


IN WITNESS WHEREOF, the parties hereto have executed this
document as of the day and year of the M&EC representative's
signature.

EAST TENNESSEE MATERIALS AND    PERMA-FIX ENVIRONMENTAL 
ENERGY CORPORATION              SERVICES, INC.

Name: /s/ Bill J. Hillis        Name: /s/ Tim Kimball
     ________________________        _________________________
Title:    President             Title: Vice President
     ________________________        _________________________
Date:     11/5/98               Date:     11/5/98
     ________________________        _________________________





                            APPENDIX B
                           ADDENDUM B1
                  M&EC/PESI - GENERAL AGREEMENT
                                                 November 6, 1998
                           PAGE 3 of 1


                            Appendix B
                   M&EC/PESI General Agreement
                           Addendum B2
                         November 6, 1998

Contract Award
______________
  On June 23, 1998, East Tennessee Materials and Energy
  Corporation (M&EC) entered into Basic Agreement 1GB-99447V
  with Bechtel Jacobs Company LLC for treatment of Treatment
  Category B: TSCA and RCRA Hazardous Waste with Organics and
  Metals.  Perma-Fix Environmental Services, Inc. (PESI) will
  serve as a subcontractor to M&EC for performance of the work
  on this contract. The full text of the Basic Agreement is
  provided as an attachment to this Addendum.
    
Scope of Work
_____________
  PESI will support M&EC in providing mixed waste treatment
  services to the Department of Energy (DOE) Management and
  Operating Contractors, Management and Integration Contractors,
  and designated affiliates as listed in Attachment A of the
  contract.  Any supplies and services to be furnished under the
  Basic Ordering Agreement shall be ordered by issuance of
  delivery orders to M&EC by the entities listed in Attachment A
  of the contract.  When an order is received, M&EC will issue a
  task order to PESI defining each company's role in completing
  the delivery order.
    
  The waste offered for treatment under this Basic Agreement is
  generally expected to consist of non-combustible, low-level,
  contact-handled soils, sludge, and other solid material
  meeting the Environmental Protection Agency (EPA) definition
  of debris, all of which is contaminated with Polychlorinated
  Biphenyls (PCBs) requiring regulation under the Toxic
  Substances Control Act (TSCA).  The waste will also contain
  organic constituents alone, or organic constituents and
  Resource Conservation and Recovery Act (RCRA) metals,
  including mercury.  Some of the waste is contaminated with
  mercury above 260 ppm.  The predominant waste codes in this
  category will be D004 through D011 and F001 through F007. 
  Additional codes that are expected include D018 through D043
  and those listed codes that may need similar treatment
  technology.  Cyanide levels in the raw waste will be less than
  30 mg/kg (amenable) and 590 mg/kg (total).  The radionuclides
  in the raw waste will be below licensing levels at the
  disposal facility and consist of radioactive elements that are
  accepted for disposal at the disposal facility.
    

Time Frame for the Project
__________________________

  The term of the Basic Agreement is five years from the date
  signed (June 28, 1998).  Bechtel Jacobs Company has the option
  of extending this Agreement annually after the initial term
  has expired.

                            APPENDIX B
                           ADDENDUM B2
                  M&EC/PESI - GENERAL AGREEMENT
                                                 November 6, 1998
                           PAGE 1 of 1


Roles and Expectations from Each Company
________________________________________
  Each delivery order will provide: 
    
  A complete description of waste, quantity (in kg) of waste,
  and unit price of Waste based on the tier pricing 
  structure per Attachment B of the contract.
  Delivery or performance period.
  Place of delivery or performance.
  Packaging, packing, and shipping instructions, if any.
  Any other pertinent information.
    
  At the time delivery orders are received, Task Orders will be
  attached to this Addendum that specifically define the roles
  of M&EC and PESI in performance of the delivery order.  Task
  Orders will be numbered in the following manner:  Task B2.XX
  with B2 referring to this addendum and .XX being the
  sequentially numbered task.
    
Price for Specific Services
___________________________
  The price for specific services provided by PESI will be
  determined on a per task basis and will be based on the
  portion of the work scope performed by PESI.
    
Contact Person for each Company
_______________________________
  East Tennessee Materials and Energy Corporation
    
  Mr. Bill Hillis
  109 Jefferson Avenue
  Oak Ridge, Tennessee 37830
  Phone: (423) 425-1257
  Fax:   (423) 425-1253
    
  Perma-Fix Environmental Services, Inc.
    
  Mr. Tim Kimball
  7928 Ranchitos Loop, N.E.
  Albuquerque, New Mexico 87113
  Phone: (505) 897-7537
  Fax:   (505) 898-1832

  In addition to the contact persons named above, contact
  persons may be named for specific tasks.

Additional Conditions Required
______________________________
  All terms and conditions included in Basic Agreement Number
  1GB-99447V that govern M&EC's work on this contract also apply
  to PESI.




                            APPENDIX B
                           ADDENDUM B2
                  M&EC/PESI - GENERAL AGREEMENT
                                                 November 6, 1998
                           PAGE 2 of 1

IN WITNESS WHEREOF, the parties hereto have executed this
document as of the day and year of the M&EC representative's
signature.

EAST TENNESSEE MATERIALS AND    PERMA-FIX ENVIRONMENTAL 
ENERGY CORPORATION              SERVICES, INC.


Name: /s/ Bill J. Hillis        Name: /s/ Tim Kimball
     ________________________        _________________________
Title:    President             Title: Vice President
     ________________________        _________________________
Date:     11/5/98               Date:     11/5/98
     ________________________        _________________________





                            APPENDIX B
                           ADDENDUM B2
                  M&EC/PESI - GENERAL AGREEMENT
                                                 November 6, 1998
                           PAGE 3 of 1


                            Appendix B
                   M&EC/PESI General Agreement
                           Addendum B3
                         November 6, 1998

Contract Award
______________

  On June 23, 1998, East Tennessee Materials and Energy
  Corporation (M&EC) entered into Basic Agreement 1GB-99448 with
  Bechtel Jacobs Company LLC for treatment of Treatment Category
  D: TSCA and RCRA Hazardous Waste with Organics and Metals and
  with EPA Waste Codes Requiring Incineration.  Perma-Fix
  Environmental Services, Inc. (PESI) will serve as a
  subcontractor to M&EC for performance of the work on this
  contract. The full text of the Basic Agreement is provided as
  an attachment to this Addendum.
    
Scope of Work
_____________
  PESI will support M&EC in providing mixed waste treatment
  services to the Department of Energy (DOE) Management and
  Operating Contractors, Management and Integration Contractors,
  and designated affiliates as listed in Attachment A of the
  Basic Agreement.  Any supplies and services to be furnished
  under the Basic Ordering Agreement shall be ordered by
  issuance of delivery orders to M&EC by the entities listed in
  Attachment A of the contract.  When an order is received, M&EC
  will issue a task order to PESI defining each company's role
  in completing the delivery order.
    
  The waste offered for treatment under this Basic Agreement is
  generally expected to consist of low-level, contact-handled
  combustible and non-combustible soils and sludges, and may
  contain some material meeting the Environmental Protection
  Agency (EPA) definition of debris. All of which is
  contaminated with Polychlorinated Biphenyls (PCBs) requiring
  regulation under the Toxic Substances Control Act (TSCA).  The
  waste will also contain Resource Conservation and Recovery Act
  (RCRA) constituents that require incineration and may contain
  other RCRA constituents that may be treated by incineration or
  stabilization.  Mercury levels will not exceed 260 ppm.
  Cyanide levels in the raw waste will be less than 30 mg/kg
  (amenable) and 590 mg/kg (total).  The radionuclides in the
  raw waste will be below licensing levels at the disposal
  facility and consist of radioactive elements that are accepted
  for disposal at the disposal facility.

Time Frame for the Project
__________________________
  The term of the Basic Agreement is five years from the date
  signed (June 28, 1998).  Bechtel Jacobs Company has the option
  of extending this Agreement annually after the initial term
  has expired.


                            APPENDIX B
                           ADDENDUM B3
                  M&EC/PESI - GENERAL AGREEMENT
                                                 November 6, 1998
                           PAGE 1 of 1


Roles and Expectations from Each Company
________________________________________
  Each delivery order will provide: 
    
  A complete description of waste, quantity (in kg) of waste,
  and unit price of Waste based on the tier pricing structure
  per Attachment B of the contract.
  Delivery or performance period.
  Place of delivery or performance.
  Packaging, packing, and shipping instructions, if any.
  Any other pertinent information.
    
  At the time delivery orders are received, Task Orders will be
  attached to this Addendum that specifically define the roles
  of M&EC and PESI in performance of the delivery order.  Task
  Orders will be numbered in the following manner: Task B3.XX
  with B3 referring to this addendum and .XX being the
  sequentially numbered task.

Price for Specific Services
___________________________
  The price for specific services provided by PESI will be
  determined on a per task basis and will be based on the
  portion of the work scope performed by PESI.

Contact Person for each Company
_______________________________
  East Tennessee Materials and Energy Corporation
    
  Mr. Bill Hillis
  109 Jefferson Avenue
  Oak Ridge, Tennessee 37830
  Phone: (423) 425-1257
  Fax:   (423) 425-1253
    
  Perma-Fix Environmental Services, Inc.
    
  Mr. Tim Kimball
  7928 Ranchitos Loop, N.E.
  Albuquerque, New Mexico 87113
  Phone: (505) 897-7537
  Fax:   (505) 898-1832
    
  In addition to the contact persons named above, contact
  persons may be named for specific tasks.
    
Additional Conditions Required
______________________________

All terms and conditions included in Basic Agreement Number 1GB-
99448V that govern M&EC's work on this contract also apply to
PESI.



                            APPENDIX B
                           ADDENDUM B3
                  M&EC/PESI - GENERAL AGREEMENT
                                                 November 6, 1998
                           PAGE 2 of 1

IN WITNESS WHEREOF, the parties hereto have executed this
document as of the day and year of the M&EC representative's
signature.

EAST TENNESSEE MATERIALS AND    PERMA-FIX ENVIRONMENTAL 
ENERGY CORPORATION              SERVICES, INC.

Name: /s/ Bill J. Hillis        Name: /s/ Tim Kimball
    ________________________        _________________________
Title:    President             Title: Vice President
    ________________________        _________________________
Date:     11/5/98               Date:     11/5/98
    ________________________        _________________________





                            APPENDIX B
                           ADDENDUM B3
                  M&EC/PESI - GENERAL AGREEMENT
                                                 November 6, 1998
                           PAGE 3 of 1