December 12, 2023 |
90 Percent Complete Documented Safety Analysis for the DAF at NNSS |
Letter |
PDF |
June 16, 2022 |
National Criticality Experiments Research Facility Criticality Safety Program |
Letter |
PDF |
August 26, 2021 |
Safety Basis for the Radioactive Waste Facilities at NNSS |
Letter |
PDF |
March 21, 2019 |
Device Assembly Facility Seismic Hazard |
Letter |
PDF |
December 19, 2018 |
Board letter identifying safety items for the U1a complex at the Nevada National Security Site |
Letter |
PDF |
June 22, 2011 |
DOE Response to March 28, 2011, Board Letter and Staff Issue Report on Work Planning and Control Deficiencies at the Nevada National Security Site |
Letter |
PDF |
February 10, 2011 |
DOE Responds to the Board Letter of August 5, 2010, Regarding Safety Issues at the Criticality Experiments Facility (CEF) at Nevada National Security Site |
Letter |
PDF |
October 20, 2010 |
DOE Letter Requesting an Extension in Response to Board's Letter to Provide Briefings and Reports for the Critical Experiments Facility at the Nevada National Security Site |
Letter |
PDF |
July 28, 2009 |
Board Issues a Reporting Requirement for a Briefing in October, 2009, on Modification or Upgrades Planned for the Fire Suppression System to Provide Safety-Related Function at the Device Assembly Facility, Nevada Test Site |
Letter |
PDF |
July 28, 2009 |
Request for briefing by NNSA regarding modifications or upgrades to fire suppression systems in the Device Assembly Facility (DAF) at the Nevada Test Site |
Letter |
PDF |