Nevada National Security Site’s (NNSS) current mission includes support for the NNSA stockpile stewardship program, which includes performing subcritical experiments in support of nuclear weapons and storing special nuclear materials. Other activities include environmental management, national security response, and defense and civil technologies.
Enforcement
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Related to two ground fall events at the Nevada National Security Sites.October 23, 2024 -
Related to a vehicle fire and employee injury in the Motor Pool Maintenance Facility at the Nevada National Security Site.June 20, 2023
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Related to worker exposures to toxic gases and potentially an oxygen deficient atmosphere at the Nevada National Security Site.December 23, 2022
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Associated with electrical safety program requirements at the Nevada National Security Site.August 21, 2017
Safety Oversight Reports
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Independent Assessment of Safety System Management at the Nevada National Security Sites Device Assembly FacilityMay 6, 2024 -
Independent Assessment of the Fire Protection Program at the Nevada National Security SitesDecember 15, 2023 -
Independent Assessment of Software Quality Assurance Program Implementation at the Nevada National Security SitesNovember 20, 2023
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Independent Assessment of Safety Culture Survey Methods and Interpretation at the Nevada National Security SiteDecember 9, 2022
Security and Cybersecurity Oversight Reports
Independent Limited-notice Performance Test Assessment of Safeguards and Security at the Nevada National Security Sites, April 8, 2024
Independent Multi-Topic Assessment of Safeguards and Security at the Nevada National Security Site, June 8, 2022
Independent Limited-Notice Performance Test Assessment of Safeguards and Security at Neveada National Security Site, November 8, 2021
Safeguards and Security Follow-Up Assessment at the Nevada National Security Site, July 31, 2020
Results of Office of Safeguards and Security Assessments Limited-Notice Performance Tests at the Nevada National Security Site, November 19-21, 2019
Safeguards and Security Assessment at the Nevada National Security Site, April 1, 2019
Results of a Preliminary Review of the National Nuclear Security Administration’s Savannah River Site Tritium Facility, April 2, 2019
Results of Limited-Notice Performance Tests at the Nevada National Security Site, Conducted on May 16-17, 2017 [May 31, 2017]
Independent Assessment of the Centerra Group, LLC Unclassified Cyber Security Program at the Nevada National Security Site, July 2016
Independent Assessment of the National Security Technologies, LLC Cyber Security Programs at the Nevada National Security Site, June 2016
Results of Limited-Notice Performance Tests at the Nevada National Security Site Conducted on May 19-20, 2015
Results of Limited-Notice Performance Tests at the Nevada National Security Site Conducted on August 5-6, 2014, October 2014
Inspection of Classified Matter Protection and Control at the Nevada National Security Site, August 2014
Independent Oversight Safeguards and Security Inspection at the Nevada National Security Site, October 31, 2013
Independent Oversight Status Review of the Unclassified and Classified Cyber Security Programs at the Nevada National Security Site – February 2013
Independent Oversight Security Inspection of the Nevada National Security Site Protection Program Planning and Operations, April 13, 2012
Independent Oversight Inspection of the G4S-Government Services, Inc. (Wackenhut Services, Inc.-Nevada Team) Unclassified Cyber Security Program at the Nevada National Security Site – January 2012
Report of the Zero Based Security Review/Graded Security Protection Assistance Visits and Proposed Protection Program Modifications at the Nevada Test Site, April 22, 2010
Independent Oversight Inspection of Safeguards and Security at the Nevada Site Office and the Nevada Test Site, January 2008
Safeguards and Security Inspection of the Nevada Site Office and Nevada Test Site, October 11, 2005
Independent Oversight Safeguards and Security and Emergency Management Inspection of the Nevada Test Site, Summary Report, September 2004
Independent Oversight Safeguards and Security Inspection of the Nevada Test Site, September 2004
Independent Safeguards and Security Program Review of the Nevada Operations Office and the Nevada Test Site, May 18, 2000