Pacific Northwest National Laboratory (PNNL) conducts research for national security missions, nuclear materials stewardship, non-proliferation missions, the nuclear fuel life cycle, energy production. PNNL is engaged in expanding the beneficial use of nuclear materials such as nuclear process engineering, radiomaterials characterization, separation and processing. PNNL also supports the Hanford Site cleanup and river corridor protection missions.
Enforcement
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Related to the improper protection of a classified desktop computer at the Pantex Plant located in Amarillo, Texas.July 31, 2026 -
Weaknesses in nuclear facility hazard categorization at the Los Alamos National Laboratory.July 29, 2026
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Worker Injury Involving a Telehandler and Hopper Attachment at Los Alamos National LaboratoryJuly 28, 2026 -
Nuclear safety deficiencies that occurred between 2019 and 2022 revealed multiple violations of DOE nuclear safety requirements by Mid-America Conversion Services, LLC at Portsmouth Paducah Project Office.January 20, 2026
Safety Oversight Reports
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Independent Assessment of the Nuclear Maintenance Management Program at Hanford Site Tank Waste FacilitiesAugust 6, 2026 -
Independent Assessment of the Management of Safety Issues at the Hanford Site Waste Treatment and Immobilization PlantAugust 6, 2026
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Independent Assessment of the Nuclear Maintenance Management Program at the Pacific Northwest National LaboratoryJuly 7, 2026
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Independent Assessment of Conduct of Operations at the Savannah River Site H-CanyonJuly 7, 2026
Security and Cybersecurity Oversight Reports
Office of Enterprise Assessment Safeguards and Security Assessment at the Pacific Northwest National Laboratory, December 16, 2019
Technical Assessment of the Cyber Security Program at Pacific Northwest National Laboratory, November 2017
Independent Assessment of the Cyber Security Program at the Pacific Northwest National Laboratory, December 2016
Results of Limited-Notice Performance Tests at Pacific Northwest National Laboratory Conducted on March 29, 2016
Review of the Classified Cyber Security Program at the Pacific Northwest National Laboratory – January 2011
Independent Oversight Inspection of Classification and Information Control Programs at the Office of Science Pacific Northwest Site Office and Pacific Northwest National Laboratory, June 2009
Independent Oversight Inspection of Classification and Information Control Programs at the Office of Science Pacific Northwest Site Office and Pacific Northwest National Laboratory, November 2006
Independent Oversight Safeguards and Security Inspection of the Pacific Northwest National Laboratory, July 2003
Independent Oversight Inspection of Safeguards and Security at the Pacific Northwest National Laboratory, September 5, 2001