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Departmental Representative to the Defense Nuclear Facilities Safety Board
Nevada National Security Site
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2010-1992
This page last updated Wednesday, November 20, 2024
Key Documents & Information
- Nevada Field Office Contact for Board Issues
- EHSS-1.1 Site Contact
- NNSS Website
- Related Recommendations: 2011-1, 95-2, 93-6, 93-3, 93-1
Chronicle of Related Correspondence
- 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 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
- 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, 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.
- July 17, 2024, Board letter providing its report entitled, Plutonium Storage Container Fire Testing, which outlines technical issues with the development and conduct of the tests. The Board encourages DOE to consider the limitations indicated by these issues when its contractors use the test results in safety analyses or develop future test protocols in this area.
- June 21, 2024, Department letter documenting completion of Milestone 5.4.3 of the DOE Implementation Plan for Recommendation 2020-1, Nuclear Safety Requirements.
- June 3, 2024, Board letter providing its review of maintenance practices for aboveground and underground electrical cable systems in the DOE defense nuclear complex for DOE's information and use.
- April 26, 2024, Report to Congress: Fiscal Year 2023 Department of Energy Activities Relating to the Defense Nuclear Facilities Safety Board
- April 24, 2024, Department letter transmitting Milestone 5.1.4, "Implement Best Practices and Process Enhancements Based on Results of Benchmarking Review," of the Department's Implementation Plan for Recommendation 2020-1, Nuclear Safety Requirements.
- March 18, 2024, DNFSB 34th Annual Report to Congress for calendar year 2023
- January 30, 2024, Department letter transmitting the FY2023 Annual Nuclear Criticality Safety Metrics Report
- January 29, 2024, Department letter transmitting Deliverable 5.1.3 of the Implementation Plan for Recommendation 2020-1, Nuclear Safety Requirements
- December 12, 2023, Board letter providing its review of the 90-Percent Complete Documented Safety Analysis for the Device Assembly Facility at the Nevada National Security Site and establishing a 90-day reporting requirement for a briefing in response to Board questions.
- October 11, 2023, Board letter providing its preliminary review of DOE's Benchmark Review Final Report for Aging Infrastructure Management.
- September 26, 2023, Department letter transmitting Deliverables 5.1.2, Perform Benchmark Review, of the Implementation Plan for Recommendation 2020-1, Nuclear Safety Requirements.
- July 13, 2023, Board letter regarding the DOE Safety Software Central Registry as a follow up to the Board's letter dated August 24, 2022, and DOE's status briefing to the Board on June 8, 2023.
- April 26, 2023, Department letter responding to the Board letter of August 17, 2022, and providing DOE/NNSA's evaluation of safety oversight processes at defense nuclear facilities.
- January 31, 2023, Department letter providing the FY 2022 Annual Metrics Report on Nuclear Criticality Safety Programs.
- December 30, 2022, Board letter recognizing the winners of the 2021 Facility Representative of the Year, and the 2021 Annual Safety System Oversight Award.
- November 2, 2022, Department letter responding to the Board letter of June 16, 2022, on the implementation of the USQ process following a PSHA update as detailed in DNFSB TECH-47, Seismic Hazard Assessments.
- October 28, 2022, Department extension letter to provide the response to the Board's letter of August 17, 2022, regarding DOE oversight effectiveness by March 2023.
- October 20, 2022, Board letter informing DOE of the delayed responses on open DNFSB reporting requirements.
- October 6, 2022, Department letter responding to the Board letter of June 16, 2022, relating to the nuclear criticality safety program at the National Criticality Experiments Research Center at NNSS.
- August 18, 2022, Board letter providing its assessment of the DOE Implementation Plan for Recommendation 2020-1, Nuclear Safety Requirements.
- August 17, 2022, Board letter providing the results of its review of DOE Oversight Effectiveness and establishing a 120-day reporting requirement for a report and briefing regarding DOE's plans to address the safety matters discussed in the Board staff report.
- June 27, 2022, Department of Energy Implementation Plan (IP) for Recommendation 2020-1, Nuclear Safety Requirements
- June 16, 2022, Board letter establishing a 45-day reporting requirement for a written response on implementation of the unreviewed safety question (USQ) process following a probabilistic seismic hazard analysis (PSHA) update as detailed in the DNFSB Technical Report (TECH-47), Seismic Hazard Assessments.
- June 16, 2022, Board letter establishing a 90-day reporting requirement for a report and briefing to address safety questions related to the nuclear criticality safety program at the National Criticality Experiments Research Center at NNSS.
- June 1, 2022, Supplementary Agreement for Memorandum of Understanding Between the U.S. Department of Energy and the Defense Nuclear Facilities Safety Board
- March 30, 2022, Department letter providing the FY 2021 Annual Nuclear Criticality Safety Program Metrics report.
- February 17, 2022, DOE-DNFSB Memorandum of Understanding
- January 6, 2022, Board letter revising the annual reporting requirement for DOE to annually provide a report and briefing for the Nuclear Criticality Safety Program.
- December 14, 2021, Department letter responding to the Board letter and Technical Report (DNFSB-TECH-47), Seismic Hazard Assessment, dated June 10, 2021.
- December 1, 2021, Board letter providing its report on the safety of co-located workers at the Nevada National Security Site's U1a Complex for DOE's use and information.
- November 10, 2021, Department letter responding to the Board letter of August 26, 2021, pertaining to the safety basis at the Nevada National Security Site's Radioactive Waste Facilities.
- November 8, 2021, Board letter requesting DOE to provide an updated date for delivering DOE's response to the Board's June 10, 2021, letter and Technical Report-47, Seismic Hazard Assessments.
- August 31, 2021, Department letter for a 45-day extension to provide the response to the Board’s letter dated June 10, 2021, and technical report DNFSB/TECH-47, Seismic Hazard Assessments.
- August 26, 2021, Board letter establishing a 90-day reporting requirement for a report and briefing that addresses safety questions pertaining to the safety basis at the Nevada National Security Site’s Radioactive Waste Facilities.
- July 26, 2021, Board letter establishing a 60-day reporting requirement for DOE to brief the Board to address concerns and planned implementation of the revised DOE Standard 5506, Preparation of Safety Basis Documents for Transuranic (TRU) Waste Facilities.
- March 23, 2021, Board letter providing a courtesy copy of the DNFSB Annual Report to Congress for Calendar Year 2020.
- May 13, 2020, Board letter providing the results of its safety review of the hoist control system used for lowering subcritical experiments at the Nevada National Security Site’s U1a Complex to aid DOE in the identification and execution of needed safety improvements.
- March 17, 2020, Board letter providing the Secretary a courtesy copy of its Annual Report to Congress for calendar year 2019.
- January 15, 2020, Department letter transmitting the FY2019 Annual Criticality Safety Metrics Report.
- May 21, 2019, FY2018 Annual Report to Congress on DOE's activities relating to the Defense Nuclear Facilities Safety Board.
- April 1, 2019, DNFSB Twenty-Ninth Annual Report to Congress for Calendar Year 2018.
- March 21, 2019, Board letter documenting concerns regarding seismic hazards for the Device Assembly Facility at the Nevada National Security Site for DOE’s information and consideration.
- January 25, 2019, Department letter transmitting the Fiscal Year 2018 Annual Criticality Safety Metrics Report.
- December 19, 2018, Board letter identifying safety items with the safety basis for the U1a Complex at the Nevada National Security Site for DOE’s information and use.
- September 3, 2018, FY2017 Annual Report to Congress on DOE's activities relating to the Defense Nuclear Facilities Safety Board.
- July 23, 2018, Board letter to Administrator Gordon-Hagerty congratulating her on her confirmation as Administrator of the National Nuclear Security Administration, and providing a brief summary of items for which the Board is conducting safety oversight.
- March 23, 2018, DNFSB Twenty-Eighth Annual Report to Congress for Calendar Year 2017.
- January 24, 2018, Department letter transmitting the Fiscal Year 2017 Annual Metrics Report on the Nuclear Criticality Safety Criteria.
- May 1, 2017, FY2016 Annual Report to Congress on DOE's activities relating to the Defense Nuclear Facilities Safety Board.
- April 27, 2017, DNFSB Twenty-Seventh Annual Report to Congress for Calendar Year 2016.
- February 1, 2017, Department letter transmitting the Fiscal Year 2016 Annual Metrics report on the Nuclear Criticality Safety Criteria.
- September 5, 2016, FY2015 Annual Report to Congress on DOE's activities relating to the Defense Nuclear Facilities Safety Board.
- April 19, 2016, Department letter transmitting the Fiscal Year 2015 annual metrics table on the nuclear criticality safety criteria.
- March 30, 2016, DNFSB Twenty-Sixth Annual Report to Congress for Calendar Year 2015.
- July 6, 2015, FY2014 Annual Report to Congress on DOE's activities relating to the Defense Nuclear Facilities Safety Board.
- June 12, 2015, Department letter transmitting the FY2014 Annual Report on Nuclear Criticality Safety.
- March 11, 2015, DNFSB Twenty-Fifth Annual Report to Congress for Calendar Year 2014.
- December 10, 2014, National Nuclear Security Administration memorandum approving the site performance culture sustainment plans per Action 2-13 of the Implementation Plan for Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant.
- October 3, 2014, Department letter transmitting deliverables from the National Nuclear Security Administration for Action 2-10 and 2-12 of the Implementation Plan for Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant.
- September 16, 2014, Department letter responding to the Board letter of August 7, 2014, concerning the current safety challenges at the National Nuclear Security Administration's defense nuclear facilities.
- August 7, 2014, Board letter providing a summary of the current challenges NNSA faces in the area of safety at NNSA’s defense nuclear facilities.
- July 9, 2014, Department letter transmitting the FY2013 Annual Report on Nuclear Criticality Safety.
- June 6, 2014, FY2013 Annual Report to Congress on DOE's activities relating to the Defense Nuclear Facilities Safety Board.
- March 6, 2014, DNFSB Twenty-Fourth Annual Report to Congress for Calendar Year 2013.
- September 6, 2013, FY2012 Annual Report to Congress on DOE's activities relating to the Defense Nuclear Facilities Safety Board.
- September 3, 2013, Board letter acknowledging and congratulating Mr. Ron Alderson of the Nevada Field Office as the recipient of the 2012 DOE Safety System Oversight Annual Award.
- March 27, 2013, Board letter transmitting its Twenty-Third Annual Report to Congress for Calendar Year 2012.
- March 25, 2013, Department letter transmitting the DOE Annual Report on Nuclear Criticality Safety for Fiscal Year 2012.
- February 28, 2012, Department letter transmitting the Annual Report on Nuclear Criticality Safety for Fiscal Year 2011.
- February 17, 2012, DNFSB Twenty-Second Annual Report to Congress for Calendar Year 2011.
- August 29, 2011, FY2010 Annual Report to Congress on DOE's activities relating to the Defense Nuclear Facilities Safety Board.
- June 22, 2011, Department letter regarding Work Planning and Control at the Nevada National Security Site in response to the Board's March 28, 2011 letter on the subject.
- March 28, 2011, Board letter establishing a 90-day reporting requirement for a report on work planning and control process improvements by the Nevada Site Office and National Security Technologies, LLC (NSTec).
- March 15, 2011, Department letter transmitting the DOE Annual Report on Nuclear Criticality Safety for calendar year 2010.
- February 10, 2011, Department letter responding to the Board letter of August 5, 2010, regarding safety issues at the Criticality Experiments Facility (CEF) at the Nevada National Security Site.
- February 8, 2011, DNFSB Twenty-First Annual Report to Congress for Calendar Year 2010.
