Departmental Representative to the Defense Nuclear Facilities Safety Board

October 17, 2025, Board letter providing the summary from its formal safety investigation at KCNSC and SNL and establishing a 180-day reporting requirement for a briefing and report that describe DOE's path forward on the opportunities for improvement to safety identified in the report.
October 17, 2025, Board advice letter regarding fire protection strategy for the Principal Underground Laboratory for Subcritical Experimentation (PULSE) at NNSS.
October 17, 2025, Board letter regarding the conclusion of the term of the Acting Chairman on October 18, 2025, and the delegation of certain authorities, to include the issuance of reporting requirements, during loss of Board quorum.
October 16, 2025, Board letter providing its review of welding lids for transportable storage containers at Hanford's Waste Encapsulation and Storage Facility and establishing a 60-day reporting requirement for a briefing on the path forward for ensuring the long-term confinement integrity of the containers.
October 15, 2025, Board letter congratulating the Assistant Secretary for Environmental Management on his confirmation and highlighting key nuclear safety challenges at DOE-EM defense nuclear facilities.
October 10, 2025, Board letter regarding the safety posture of the Plutonium Facility at LANL and establishing an annual reporting requirement for a briefing on actions taken to improve nuclear safety at this facility.
September 30, 2025, Board letter congratulating the NNSA Administrator on his confirmation and highlighting key nuclear safety challenges at NNSA defense nuclear facilities.
August 22, 2025, Department letter transmitting Deliverable 2.C, Extent of Condition (EOC) Summary Report, of the DOE Implementation Plan for Recommendation 2023-1, Onsite Transportation Safety.
August 22, 2025, Department 45-day extension letter to provide the written response related to critical infrastructure at the Waste Isolation Pilot Plant (WIPP).
August 18, 2025, Department 90-day extension letter to provide response regarding the Hanford 242-A Evaporator Safety Integrity Level.

A Chronological Listing of all correspondence, reports, and memorandum between the Defense Nuclear Facilities Safety Board (DNFSB) and the Department of Energy (DOE) by Year - Month - Day.

Chronological Listing:
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 - 2000 | 1999 - 1990

A listing of all correspondence, reports, memorandum, and DOE implementation plans related to a specific DNFSB Recommendations (see About Board Recommendations) between DOE and the DNFSB by Year - Month - Day.

All Board Recommendations

Open Board Recommendations: 2023-1 | 2020-1 | 2019-2 | 2019-1

Board correspondence and other documents sorted by applicable DOE site.

Hanford | INL | LANL | LLNL | NNSS | Pantex | SNL | SRS | WIPP | Y-12/OREM | Other

Reports to Congress On Board-Related Activities

Board Public Meetings and Hearings

Board Technical Reports

Correspondence - CMRR Certification