Nevada National Security Site
Nevada National Security Site (NV) – The NNSS (formerly the Nevada Test site) is an extensive outdoor laboratory and national experiment center located in southern Nevada, about 75 miles northwest of Las Vegas. Activities at the site include preparations for the disposition of damaged nuclear weapons, subcritical experiments, criticality experiments, emergency response training, and waste management. While underground testing has not been conducted in many years, the site is maintained in a state of readiness should testing be resumed.
| Abbreviation |
NNSS
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|---|---|
| Location |
75 miles outside
Las Vegas
, NV
United States
37° 5' 48.0084" N, 116° 29' 27.9852" W
See map: Google Maps
Nevada US
|
| Website | |
| Primary Function |
Support the nation's nuclear stockpile, including storage, assessment, disposal and testing, if it were to be resumed.
|
| Ongoing Operations |
Evaluation of sensor technologies, detection, characterization, and monitoring of nuclear weapons related activities, radiological emergency training, environmental restoration, groundwater characterization, and low-level radioactive waste management.
|
| Status |
Active
|
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Date Title Document June 16, 2022National Criticality Experiments Research Facility Criticality Safety Program 
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Date Title Document August 26, 2021Safety Basis for the Radioactive Waste Facilities at NNSS PDF -
Date Title Document March 21, 2019Device Assembly Facility Seismic Hazard PDF -
Date Title Document December 19, 2018Board letter identifying safety items for the U1a complex at the Nevada National Security Site PDF -
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Date Title Document October 9, 1997Board Commends the Nevada Site Office and the Joint Test Organization on HOLOG Experiment PDF September 29, 1997DOE Encloses on Status of Actions at NTS and Pantex Concerning to Recommendation 93-6 PDF -
Date Title Document March 26, 1996Board Commends James K. Magruder on the Occasion of his Retirement PDF March 21, 1996DOE Response to Board's Review of NESS Performed by the Nevada Operations Office PDF February 2, 1996DOE Forwards Three 93-6 Implementation Plan Deliverables PDF -
Date Title Document December 8, 1993Board Letter Regarding Staff Trip Report to Nevada Test Site and Pantex Plant PDF November 15, 1993Board Forwards Staff Trip Report on the Order Compliance Self-Assessment Program at Nevada Test Site PDF September 23, 1993Board Forwards Staff Trip Report on Knowledge and Training of Personnel at Nevada Test Site PDF