Departmental Representative to the Defense Nuclear Facilities Safety Board

November 15, 2024, Board letter concerning the DOE development of Oder 421.1, Nuclear Safety Basis and establishing a 60-day reporting requirement, and before the new order is issued, for a report and briefing regarding DOE's path forward for issuing DOE Order 421.1.
November 14, 2024, Department letter providing response to the Board letter dated May 15, 2024, regarding the final design of the continuous air monitor system for the WIPP Safety Significant Confinement Ventilation System
November 13, 2024, Board letter transmitting its report, "Reasons to Expand the Coverage of the Criticality Accident Alarm System (CAAS) at the Savannah River Plutonium Processing Facility (SRPPF)", as SRPPF project engages the DOE Criticality Safety Support Group to assess CAAS coverage.
November 8, 2024, Department extension letter to provide response to the Board letter of August 13, 2024, regarding safety of lithium-ion batteries at defense nuclear facilities.
October 7, 2024, Department letter transmitting the Implementation Plan for Recommendation 2023-1, Onsite Transportation Safety
October 3, 2024, Board letter providing its review of the maintenance program at the WTP's Low Activity Waste Facility at the Hanford Site for DOE's information and use to further improve program practices.
August 22, 2024, Department letter stating that DOE is taking a 45-Day extension to complete the Implementation Plan for Recommendation 2023-1, Onsite Transportation Safety.
August 13, 2024, Department letter providing the 2024 annual report regarding safety at Savannah River Site Building 235-F.
August 13, 2024, Board letter providing its safety review of lithium-ion batteries uninterruptible power supplies (UPS) at the NNSS Device Assembly Facility (DAF), and establishing a 90-day reporting requirement for DOE to provide a briefing and report addressing any actions DOE has taken or plans to take to: 1) develop or adopt requirements and provide guidance on hazard analysis and controls for lithium-ion battery energy storage systems at defense nuclear facilities, and 2) address the identified safety issues with the lithium-ion battery UPS now installed at DAF.
July 25, 2024, Board letter providing its review of the safety design basis documents for two projects in the NNSS Enhanced Capabilities for Subcritical Experiments and evaluation of seismic faults within PULSE. The Board also established a 120-day reporting requirement for DOE/NNSA to provide a report and briefing to address the Board's safety questions.

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:
| 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: 2020-1 | 2019-2 | 2019-1 | 2012-1

Board correspondence and other documents sorted by applicable DOE site.

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

Reports to Congress On Board-Related Activities

Board Public Meetings and Hearings

DOE Briefings to DNFSB

Board Technical Reports

Correspondence - CMRR Certification