Agency Archive
National Nuclear Security Administration
Recent Federal Register documents and issues associated with this agency.
Recent Documents
- Amendment to and Addition of Property for the Kansas City National Security Campus (KCNSC) New Mexico Operations (NMO) Tuesday, May 13, 2025 90 FR 20296
- Proposed Subsequent Arrangement Thursday, May 8, 2025 90 FR 19477
- Notice of Intent To Prepare a Supplemental Environmental Impact Statement for Enhanced Plutonium Facility Utilization at Lawrence Livermore National Laboratory in Livermore, California Monday, January 13, 2025 90 FR 2678
- Notice of Availability of the Draft Site-Wide Environmental Impact Statement for Continued Operation of the Los Alamos National Laboratory Friday, January 10, 2025 90 FR 1991
- Molybdenum-99 Stakeholders Meeting Tuesday, August 20, 2024 89 FR 67428
- Advisory Committee for Nuclear Security Wednesday, July 17, 2024 89 FR 58146
- Record of Decision for the Final Environmental Impact Statement for the Surplus Plutonium Disposition Program Friday, April 19, 2024 89 FR 28763
- Advisory Committee for Nuclear Security Friday, March 1, 2024 89 FR 15198
- Record of Decision for the Final Site-Wide Environmental Impact Statement for Continued Operation of the Lawrence Livermore National Laboratory Tuesday, February 20, 2024 89 FR 12831
- Minor Construction Threshold Increase Friday, February 9, 2024 89 FR 9141
- Notice of Availability of Final Environmental Impact Statement for the Surplus Plutonium Disposition Program Friday, January 19, 2024 89 FR 3642
- Agency Information Collection Extension Tuesday, January 2, 2024 89 FR 77
- Secretarial Determination of No Adverse Material Impact on the Domestic Uranium Mining, Conversion, and Enrichment Industries To Support Mo-99 Production Wednesday, December 27, 2023 88 FR 89436
- Predictive Science Academic Alliance Program (PSAAP) IV Pre-Proposal Meeting Tuesday, July 25, 2023 88 FR 47868
- Molybdenum-99 Stakeholders Meeting Tuesday, July 18, 2023 88 FR 45895
- Advisory Committee for Nuclear Security; Correction Monday, July 3, 2023 88 FR 42704
- Advisory Committee for Nuclear Security Monday, June 26, 2023 88 FR 41392
- Addition of Property for the Kansas City Plant Facilities Tuesday, June 6, 2023 88 FR 37048
- Advisory Committee for Nuclear Security Monday, April 24, 2023 88 FR 24786
- Advisory Committee for Nuclear Security; Notice of Renewal Wednesday, February 8, 2023 88 FR 8264
- Notice of Availability of Draft Environmental Impact Statement for the Surplus Plutonium Disposition Program and Announcement of Public Hearings Friday, December 16, 2022 87 FR 77096
- Notice of Intent To Prepare a Site-Wide Environmental Impact Statement for Continued Operation of the Los Alamos National Laboratory Friday, August 19, 2022 87 FR 51083
- Proposed Subsequent Arrangement Wednesday, July 27, 2022 87 FR 45095
- Supply of Molybdenum-99 (Mo-99) Produced Without the Use of Highly Enriched Uranium (HEU) Tuesday, October 5, 2021 86 FR 54961
- Proposed Subsequent Arrangement Wednesday, December 16, 2020 85 FR 81460
- Notice of Intent To Prepare an Environmental Impact Statement for the Surplus Plutonium Disposition Program Wednesday, December 16, 2020 85 FR 81460
- Amended Record of Decision for the Complex Transformation Supplemental Programmatic Environmental Impact Statement Thursday, November 5, 2020 85 FR 70598
- Agency Information Collection Extension Friday, September 25, 2020 85 FR 60451
- Amended Record of Decision for the Complex Transformation Supplemental Programmatic Environmental Impact Statement Wednesday, September 2, 2020 85 FR 54550
- Defense Programs Advisory Committee Monday, August 10, 2020 85 FR 48239
- Notice of Intent To Prepare a Site-Wide Environmental Impact Statement for Continued Operation of the Lawrence Livermore National Laboratory Wednesday, August 5, 2020 85 FR 47362
- Notice of Availability of the Report on the Secretary of Energy's Final Decision and Supporting Reasoning Regarding Defense Nuclear Facilities Safety Board Recommendation 2019-2, Safety of the Savannah River Site Tritium Facilities Thursday, June 11, 2020 85 FR 35648
- Notice of Availability of Final Supplement Analysis of the Complex Transformation Supplemental Programmatic Environmental Impact Statement Wednesday, January 8, 2020 85 FR 887
- Amended Record of Decision for the Continued Interim Operation of the Y-12 National Security Complex Friday, October 4, 2019 84 FR 53133
- Defense Programs Advisory Committee; Meeting Thursday, September 5, 2019 84 FR 46720
- Notice of Availability of the Draft Supplement Analysis of the Complex Transformation Supplemental Programmatic Environmental Impact Statement Friday, June 28, 2019 84 FR 31055
- Proposed Subsequent Arrangement Tuesday, March 5, 2019 84 FR 7892
- Defense Programs Advisory Committee Wednesday, February 20, 2019 84 FR 5070
- Defense Programs Advisory Committee Monday, September 24, 2018 83 FR 48297
- Meeting of the Defense Programs Advisory Committee Wednesday, May 16, 2018 83 FR 22658
- 229 Boundary Notice for the Pantex Plant Administrative Support Complex Wednesday, May 9, 2018 83 FR 21283
- Defense Programs Advisory Committee Thursday, January 18, 2018 83 FR 2626
- Defense Programs Advisory Committee Thursday, April 6, 2017 82 FR 16818
- Defense Programs Advisory Committee Monday, March 7, 2016 81 FR 11791
- Defense Programs Advisory Committee Tuesday, October 6, 2015 80 FR 60373
- Defense Programs Advisory Committee Wednesday, April 8, 2015 80 FR 18838
- Notice of Intent To Prepare an Environmental Impact Statement for the Operation of a Biosafety Level 3 Facility at Los Alamos National Laboratory, Los Alamos, NM Tuesday, November 29, 2005 70 FR 71490
- Floodplain Statement of Findings for the Proposed Installation of a Multiple Permeable Reactive Barrier Within Mortandad Canyon at Los Alamos National Laboratory, Los Alamos, NM Tuesday, December 31, 2002 67 FR 79911
- Record of Decision for the Final Environmental Impact Statement for the Relocation of Technical Area 18 Capabilities and Materials at the Los Alamos National Laboratory Tuesday, December 31, 2002 67 FR 79906
Recent Issues
- Federal Register Volume 90 Issue 91 (Tuesday, May 13, 2025) Tuesday, May 13, 2025 1 document
- Federal Register Volume 90 Issue 88 (Thursday, May 8, 2025) Thursday, May 8, 2025 1 document
- Federal Register Volume 90 Issue 7 (Monday, January 13, 2025) Monday, January 13, 2025 1 document
- Federal Register Volume 90 Issue 6 (Friday, January 10, 2025) Friday, January 10, 2025 1 document
- Federal Register Volume 89 Issue 161 (Tuesday, August 20, 2024) Tuesday, August 20, 2024 1 document
- Federal Register Volume 89 Issue 137 (Wednesday, July 17, 2024) Wednesday, July 17, 2024 1 document
- Federal Register Volume 89 Issue 77 (Friday, April 19, 2024) Friday, April 19, 2024 1 document
- Federal Register Volume 89 Issue 42 (Friday, March 1, 2024) Friday, March 1, 2024 1 document
- Federal Register Volume 89 Issue 34 (Tuesday, February 20, 2024) Tuesday, February 20, 2024 1 document
- Federal Register Volume 89 Issue 28 (Friday, February 9, 2024) Friday, February 9, 2024 1 document
- Federal Register Volume 89 Issue 13 (Friday, January 19, 2024) Friday, January 19, 2024 1 document
- Federal Register Volume 89 Issue 1 (Tuesday, January 2, 2024) Tuesday, January 2, 2024 1 document
- Federal Register Volume 88 Issue 247 (Wednesday, December 27, 2023) Wednesday, December 27, 2023 1 document
- Federal Register Volume 88 Issue 141 (Tuesday, July 25, 2023) Tuesday, July 25, 2023 1 document
- Federal Register Volume 88 Issue 136 (Tuesday, July 18, 2023) Tuesday, July 18, 2023 1 document
- Federal Register Volume 88 Issue 126 (Monday, July 3, 2023) Monday, July 3, 2023 1 document
- Federal Register Volume 88 Issue 121 (Monday, June 26, 2023) Monday, June 26, 2023 1 document
- Federal Register Volume 88 Issue 108 (Tuesday, June 6, 2023) Tuesday, June 6, 2023 1 document
- Federal Register Volume 88 Issue 78 (Monday, April 24, 2023) Monday, April 24, 2023 1 document
- Federal Register Volume 88 Issue 26 (Wednesday, February 8, 2023) Wednesday, February 8, 2023 1 document
- Federal Register Volume 87 Issue 241 (Friday, December 16, 2022) Friday, December 16, 2022 1 document
- Federal Register Volume 87 Issue 160 (Friday, August 19, 2022) Friday, August 19, 2022 1 document
- Federal Register Volume 87 Issue 143 (Wednesday, July 27, 2022) Wednesday, July 27, 2022 1 document
- Federal Register Volume 86 Issue 190 (Tuesday, October 5, 2021) Tuesday, October 5, 2021 1 document