August 9, 2023 – The New Mexico Environment Department approved the Revision 33.0 of the Los Alamos National Laboratory Federal Facility Compliance Order Annual Site Treatment Plan. See approval and related documents at the links provided below:

NMED Approval Letter with response to Comment
Letter to Commenter
Public Comments Received
STP Revision 33.0

June 22, 2023 – The New Mexico Environment Department issued a Notice of Intent to Approve Proposed Revision 33.0 of the Los Alamos National Laboratory Federal Facility Compliance Order Annual Site Treatment Plan Update. The public comment began on June 22, 2023 and ended at 5:00 pm MDT on July 24, 2023. See notices and proposed revised document at the links provided below:
Public Notice (English)
Public Notice (Spanish)
Proposed STP Revision 33.0 (redline/strikeout version)
Proposed STP Revision 33.0 (clean version)


August 4, 2022The New Mexico Environment Department approved with modifications the Revision 32.0 of the Los Alamos National Laboratory Federal Facility Compliance Order Annual Site Treatment Plan.

NMED Approval with Modifications Letter
Response to Public Comments Matrix
Letter to Commenters
Public Comments Received-NGO
Additional Comments Received- CCNS
STP Revision 32.0 (Redline Version)
STP Revision 32.0 (Clean Version)

May 26, 2022 – The New Mexico Environment Department issued a Notice of Intent to Approve Proposed Revision 32.0 of the Los Alamos National Laboratory Federal Facility Compliance Order Annual Site Treatment Plan Update. The public comment began on May 26, 2022 and ended at 5:00 pm MDT on June 25, 2022. See notice and proposed revision documents at the links provided below:
Public Notice (English)
Public Notice (Spanish)
Proposed STP Revision 32.0 (redline/strikeout version)
Proposed STP Revision 32.0 (clean version)


June 7, 2021 – The New Mexico Environment Department issued a Notice of Intent to Approve Proposed Revision 31.0 of the Los Alamos National Laboratory Federal Facility Compliance Order Annual Site Treatment Plan Update. The public comment began on June 7, 2021 and ended at 5:00 pm MDT on July 6, 2021. See notice and proposed revision documents at the links provided below:
Public Notice (English)
Public Notice (Spanish)
Proposed STP Revision 31.0 (redline/strikeout version)
Proposed STP Revision 31.0 (clean version)


2020
September 22, 2020 – The New Mexico Environment Department approved Revision 30.0 of the Los Alamos National Laboratory Federal Facility Compliance Order Annual Site Treatment Plan.
Approval Letter
Response to Public Comment
STP Revision 30.0

August 19, 2020 – The New Mexico Environment Department issued a Notice of Intent to Approve Proposed Revision 30.0 of the Los Alamos National Laboratory Federal Facility Compliance Order Annual Site Treatment Plan Update. The public comment began on August 19, 2020 and ended at 5:00 pm MDT on September 18, 2020. See notice and proposed revision documents at the links provided below:
Public Notice (English)
Public Notice (Spanish)
Proposed STP Revision 30.0 (redline/strikeout version)
Proposed STP Revision 30.0 (clean version)

April 9, 2020 – The New Mexico Environment Department approved Revision 29.0 of the Los Alamos National Laboratory Federal Facility Compliance Order Annual Site Treatment Plan.
Approval Letter
STP Revision 29.0

March 2, 2020 – The New Mexico Environment Department issued a Notice of Intent to Approve Proposed Revision 29.0 of the Los Alamos National Laboratory Federal Facility Compliance Order Annual Site Treatment Plan Update. The public comment began on March 2, 2020 and ended at 5:00pm MDT on April 1, 2020. See notice and proposed revision documents at the links provided below:
Public Notice (English)
Public Notice (Spanish)
Proposed STP Revision 29.0 (redline/strikeout version)
Proposed STP Revision 29.0 (clean version)


2019
August 20, 2019 – The New Mexico Environment Department approved Revision 28.0 of the Los Alamos National Laboratory Federal Facility Compliance Order Annual Site Treatment Plan.
Approval Letter
STP Revision 28.0

July 15, 2019 – The New Mexico Environment Department issued a Notice of Intent to Approve Proposed Revision 28.0 of the Los Alamos National Laboratory Federal Facility Compliance Order Annual Site Treatment Plan Update. The public comment began on July 15, 2019 and ended at 5:00 pm MDT on August 14, 2019. See notice and proposed revision documents at the links provided below.
Public Notice (English)
Public Notice (Spanish)
Proposed Revision 28.0 (redline/strikeout version)
Proposed Revision 28.0 (clean version)
Public Involvement Plan


2017
September 15, 2017 – The New Mexico Environment Department approved Revision 27.0 Annual Update to Site Treatment Plan (STP) Federal Facility Compliance Order (FFCO)
Approval Letter
STP Revision 27.0

August 2, 2017 – Public Comment Period – The New Mexico Environment Department issued a Notice of Intent to Approve Proposed Revision 27.0 of the Los Alamos National Laboratory Federal Facility Compliance Order Annual Site Treatment Plan Update. The public comment period ended on September 1, 2017. See notice and proposed revision documents at the links provided below.
Public Notice (English)
Public Notice (Spanish)
Proposed Revision 27.0 (redline/strikeout version)
Proposed Revision 27.0 (clean version)


2016
January 30, 2017 – The New Mexico Environment Department approved Revision 26.0 Annual Update to Site Treatment Plan (STP) Federal Facility Compliance Order (FFCO)
Approval Letter
STP Revision 26.0

December 14, 2016 – Public Comment Period – The New Mexico Environment Department issued a Notice of Intent to Approve Proposed Revision 26.0 of the Los Alamos National Laboratory Federal Facility Compliance Order Annual Site Treatment Plan Update. The public comment period ended on January 13, 2017. See notice and proposed revision documents at the links provided below.
Public Notice
Proposed Revision 26.0 (redline/strikeout version)
Proposed Revision 26.0 (clean version)


1997
Amendment to the Federal Facility Compliance Order (5-20-1997)

1995
Federal Facility Compliance Order (10/4/1995)

Public Notices and Hearings

Visit the Public Notices page for more information on current public notices.

Visit the Docketed Matters page for more information on upcoming and current hearings.

Rules and Regulations

State and federal laws and regulations governing hazardous waste in New Mexico are available on the Laws and Regulations page.

Contact us

Ph: 505-476-6000

2905 Rodeo Park Dr. E, Building 1
Santa Fe, NM 87505

A listing of all Bureau staff and contact information is available here.

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