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Los Alamos National Laboratory
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2010-1992
This page last updated Friday, June 25, 2021
Key Documents & Information
- Los Alamos Field Office Contact for Board Issues
- EHSS-1.1 Site Contact
- LANL Website
- Related Recommendations: 2011-1, 2009-2, 97-2, 97-1, 95-2, 94-1, 93-6, 93-3, 93-1
Chronicle of Related Correspondence
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- May 22, 2019, Board letter documenting the resolution of safety issues in the revised safety basis for the LANL Radioassay and Nondestructive Testing (RANT) Facility.
- January 25, 2019, Department letter transmitting the 2018 Annual Criticality Safety Metrics Report.
- November 28, 2018, Board letter transmitting the results of its review of the Nuclear Criticality Safety Program at Los Alamos National Laboratory.
- May 24, 2018, Board letter informing the Department that the Board plans to assess the impact to safety of any changes to operations and safety control strategy pertaining to fire protection at LANL Area G.
- November 9, 2017, Board letter transmitting the results of its review of the LANL Transuranic Waste Facility (TWF) documented safety basis for NNSA information.
- October 11, 2017, Board letter regarding emergency preparedness and response at the Los Alamos National Laboratory (LANL) to aid the DOE and NNSA in addressing LANL's weaknesses and in the broader implementation of Board Recommendation 2014-1, Emergency Preparedness and Response.
- July 13, 2017, Board letter transmitting the notational vote in which the Board decided to not issue and transmit to DOE the final Recommendation concerning Emergency Preparedness and Response at the Los Alamos National Laboratory.
- January 3, 2017, Board letter closing Recommendation 2009-2, Los Alamos National Laboratory Plutonium Facility Seismic Safety.
- November 18, 2016, Board project letter stating that there is no safety issues based upon its review of critical decision 2 and 3 milestone documentation for the Plutonium Equipment Installation subproject at Los Alamos National Laboratory.
- August 29, 2016, Department letter responding to the Board letter of May 12, 2016, providing NNSA’s assessment of vulnerabilities of the Fire Suppression System at the Plutonium Facility at Los Alamos National Laboratory.
- May 12, 2016, Board letter establishing a 90-day reporting requirement for NNSA’s assessment of the LANL Plutonium Facility’s Fire Suppression System vulnerabilities and their impact on the facility’s current and planned safety posture.
- January 28, 2016, Department letter proposing a delay in providing quarterly briefings to the Board on the Radioassay and Nondestructive Testing Facility at Los Alamos National Laboratory until pertinent information becomes available.
- January 7, 2016, Board letter transmitting Preliminary Observations of Weaknesses Associated with Emergency Preparedness and Response at Los Alamos National Laboratory for DOE’s consideration.
- September 30, 2015, Board letter communicating its annual assessment on DOE’s activities and progress for Recommendation 2009-2, Los Alamos National Laboratory Plutonium Facility Seismic Safety.
- September 21, 2015, Board letter transmitting the Technical Report entitled, Opportunities for Risk Reduction at the Los Alamos National Laboratory Plutonium Facility through the Minimization of Material-At-Risk (DNFSB/TECH-39), for NNSA's consideration.
- August 18, 2015, Department letter informing the Board of the next steps to improve the seismic performance of the Plutonium Facility (PF-4) at the Los Alamos National Laboratory.
- March 25, 2015, Department letter documenting NNSA’s path forward for resolution of safety basis issues at the Radioassay and Nondestructive Testing (RANT) Shipping Facility at Los Alamos National Laboratory, in response to the Board letter of December 9, 2014.
- February 13, 2015, Department letter providing an updated plan and schedule for completing the alternate seismic analysis of the Los Alamos National Laboratory Plutonium Facility in response to the Board letter of December 17, 2014.
- December 17, 2014, Board letter establishing a 30-day reporting requirement for an updated plan and schedule for completing the alternate seismic analysis of the Los Alamos National Laboratory Plutonium Facility.
- 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.
- December 9, 2014, Board letter establishing a 90-day reporting requirement for NNSA’s path forward for resolution of safety basis issues at the Radioassay and Nondestructive Testing (RANT) Shipping Facility at Los Alamos National Laboratory.
- 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 19, 2014, Board letter transmitting the September 2014 Periodic Report to Congress on the status of significant unresolved issues with DOE’s design and construction projects.
- 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.
- September 5, 2014, Department letter providing the current plans for resumption of operations at the Plutonium Facility (PF-4) at Los Alamos National Laboratory.
- August 7, 2014, Board letter establishing a 60-day reporting requirement for a briefing on actions taken or planned by NNSA to resolve safety issues for the Transuranic Waste Facility project at Los Alamos National Laboratory.
- 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
- May 20, 2014, Board letter recognizing Mr. Christopher D. Fischahs of the Los Alamos Field Office as the winner of the 2013 Department of Energy Annual Safety System Oversight Award.
- May 16, 2014, Board letter establishing a 14-day reporting requirement for a briefing on how NNSA will ensure that adequate controls will be identified as the Los Alamos National Laboratory resumes higher-risk operations at PF-4.
- December 6, 2013, Department letter providing follow-up information regarding the pause in programmatic operations at the LANL Plutonium Facility as a precautionary measure due to concerns with the criticality safety program.
- September 3, 2013, Department letter responding to the Board letter of July 17, 2013, and providing a schedule outlining the path to complete the alternate analysis for a seismic collapse scenario at the Los Alamos National Laboratory Plutonium Facility.
- August 15, 2013, Department letter in response to the Board letter of July 15, 2013, regarding criticality safety concerns stemming from weaknesses in conduct of operations at the Plutonium Facility at Los Alamos National Laboratory.
- July 17, 2013, Board letter establishing a 45-day reporting requirement for a schedule outlining the path to complete the alternate analysis for a seismic collapse scenario at the Los Alamos National Laboratory Plutonium Facility.
- July 15, 2013, Board letter establishing a 30-day reporting requirement regarding criticality safety concerns stemming from weaknesses in conduct of operations at the Plutonium Facility at Los Alamos National Laboratory.
- March 27, 2013, Department letter in response to the Board’s letter of January 3, 2013, concerning DOE senior leadership’s assessment of the current state of public and worker protection for seismic accident scenarios, and the risk reduction measures to be applied to mitigate near term seismic risks of the Plutonium Facility (PF-4) at Los Alamos National Laboratory.
- January 16, 2013, Department letter responding to the Board letter of November 19, 2012, concerning the nuclear facility safety basis for Area G at Los Alamos National Laboratory.
- January 3, 2013, Board letter establishing a 60-day reporting requirement for DOE senior leadership’s assessment of the current state of public and worker protection for seismic accident scenarios, and the risk reduction measures to be applied to mitigate near term seismic risks of the Plutonium Facility (PF-4) at Los Alamos National Laboratory.
- December 12, 2012, Department letter providing an revise of Action 2-6 in the Department of Energy's Implementation Plan for Defense Nuclear Facilities Safety Board Recommendation 2011-1, Safety Culture at the Waste Treatment and Immobilization Plant.
- November 19, 2012, Board letter establisbing a 60-day reporting requirement for DOE’s plans to address issues regarding approved safety basis for Area G at Los Alamos National Laboratory.
- November 5, 2012, Department letter in response to Board letter of June 18, 2012, regarding the safety basis for the Plutonium Facility at Los Alamos National Laboratory.
- October 9, 2012, Department letter detailing actions taken or planned by the National Nuclear Security Administration to resolve safety issues relating to the Transuranic Waste Facility project preliminary design at Los Alamos National Laboratory, in response to the Board letter of June 11, 2012.
- September 28, 2012, Department letter responding to the Board letter of July 18, 2012, regarding seismic analysis of the Plutonium Facility at Los Alamos National Laboratory.
- September 6, 2012, Department letter requesting an additional 60-day extension to respond to Board letter of June 18, 2012, concerning the approved safety basis for the Plutonium Facility (PF-4) at Los Alamos National Laboratory. This letter also indicates that NNSA will provide a revised project execution plan for seismically-related upgrades to PF-4 within 90 days of completion of the final report for the current scope of non-linear static seismic analyses.
- August 14, 2012, Department letter indicating that the detailed response to the Board's letter of July 18, 2012, regarding the seismic structural analysis for the Plutonium Facility at Los Alamos National Laboratory, will be provided by September 28, 2012.
- July 31, 2012, Department letter requesting a 60-day extension to respond to Board letter of June 11, 2012, regarding actions taken or planned by the National Nuclear Security Administration to resolve safety issues relating to the Transuranic Waste Facility (TWF) project at Los Alamos National Laboratory.
- July 18, 2012, Board letter establishing a 30-day reporting requirement regarding the seismic structural analysis for the Plutonium Facility at Los Alamos National Laboratory.
- July 13, 2012, Department letter requesting a 45-day extension to respond to Board letter of June 18, 2012, concerning the approved safety basis for the Plutonium Facility at Los Alamos National Laboratory.
- June 25, 2012, Board letter enclosing a copy of the Board’s Report to Congress on the Status of Significant Unresolved Issues with the Department of Energy's Design and Construction Projects.
- June 18, 2012, Board letter establising a 30-day reporting requirement regarding the approved safety basis for the Plutonium Facility at Los Alamos National Laboratory.
- June 11, 2012, Board letter establishing 60-day reporting requirement for identification of actions taken or planned by the National Nuclear Security Administration to resolve safety issues relating to the Transuranic Waste Facility (TWF) project at Los Alamos National Laboratory.
- March 20, 2012, Department letter informing the Board of the completion of deliverable 5.4.4 of the Implementation Plan for Recommendation 2009-2, Los Alamos National Laboratory Plutonium Facility Seismic Safety.
- March 8, 2012, Board letter enclosing a copy of the Board’s Report to Congress on the Status of Significant Unresolved Issues with the Department of Energy's Design and Construction Projects.
- January 30, 2012, Department letter detailing the technical basis, actions taken to improve safety, and plans for safety improvements to continuously ensure adequate protection of public safety from operations at the Los Alamos National Laboratory's Plutonium Facility (PF-4).
- November 18, 2011, Department letter informing the Board about the disposition of a set of proposals relating to the Chemistry and Metallurgy Research Building Replacement (CMRR) Project at the Los Alamos National Laboratory (LANL)
- November 15, 2011, Department letter informing the Board of completion of Commitment 5.2.3, and updating the completion date for Commitment 5.4.4 of the Implementation Plan for Recommendation 2009-2, Los Alamos National Laboratory Plutonium Facility (PF-4) Seismic Safety
- October 5, 2011, Department letter updating the plans for addressing verification/validation and root cause analysis relating to the System for Analysis of Soil-Structure Interaction (SASSI).
- September 29, 2011, Department letter transmitting deliverable 5.4.5, and requesting due date extensions for deliverables 5.2.3 and 5.4.4 of the Implementation Plan for Recommendation 2009-2, Los Alamos National Laboratory (LANL) Plutonium Facility (PF-4) Seismic Safety.
- September 23, 2011, Board letter forwarding a copy of the Report to Congress on the Status of Significant Unresolved Issues with the Department of Energy Design and Construction Projects.
- July 20, 2011, Department letter requesting 60-day extension to complete Implementation Plan deliverables 5.2.3 and 5.4.4 of Recommendation 2009-2, Los Alamos National Laboratory Plutonium Facility Seismic Safety
- June 28, 2011, Department letter forwarding deliverables 5.2.2 and 5.3.2 of the Implementation Plan for Recommendation 2009-2, Los Alamos National Laboratory Plutonium Facility Seismic Safety.
- June 15, 2011, Board letter forwarding a copy of the Report to Congress on the Status of Significant Unresolved Issues with the Department of Energy's Design and Construction Projects (dated June 15, 2011).
- June 8, 2011, Department letter requesting 30-day extension on two Recommendation 2009-2, Los Alamos National Laboratory Plutonium Facility Seismic Safety, Implementation Plan deliverables.
- April 8, 2011, Board letter establishing a 45-day reporting requirement on issues related to the SASSI computer software code.
- April 5, 2011, Board letter establishing a 90-day reporting requirement for a report on actions taken to completely implement Standard DOE-NA-STD-3016-2006, Hazard Analysis Reports for Nuclear Explosive Operations.
- April 1, 2011, Department letter transmitting Deliverable 5.4.2 for the Implementation Plan for Board Recommendation 2009-2, Los Alamos National Laboratory Plutonium Facility Seismic Safety.
- February 8, 2011, Board letter establishing a 30-day reporting requirement for a briefing to discuss NNSA's decision process, timing, and bases for changes related to Board concerns resolved under the CMRR certification process at LANL.
- January 31, 2011, Department letter transmitting Deliverable 5.4.1 for the Implementation Plan for Board Recommendation 2009-2, Los Alamos National Laboratory Plutonium Facility Seismic Safety to the Board.