Archives of Directives

Glossary

Defined terms and acronyms used across the directives — filter by letter, type or office.

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OPI
Trips to Vendor/FabricatorsDefinitionPM - Office of Project Management Oversight and Assessments
Tritium-bearing Reactor ComponentsDefinitionEM - Office of Environmental Management
TruckloadAcronym
Trust ResponsibilityDefinitionCI - Office of Congressional and Intergovernmental Affairs
Tunnel - Controlled Access VehicularDefinitionMA - Office of Management
Tunnel - PedestrianDefinitionMA - Office of Management
Tunnel - Public Access VehicularDefinitionMA - Office of Management
Tunnel - TrainDefinitionMA - Office of Management
Tunnel Operations, Maintenance, Inspection, and EvaluationAcronym
Two-Factor AuthenticationDefinitionAU - Office of Environment, Health, Safety and Security
Two-Person Concept (TPC)DefinitionNA - National Nuclear Security Administration
Type I ErrorDefinitionAU - Office of Environment, Health, Safety and Security
Type II ErrorDefinitionAU - Office of Environment, Health, Safety and Security
Type TestDefinitionAU - Office of Environment, Health, Safety and Security
U.S. Atomic Energy CommissionAcronym
U.S. Department of DefenseAcronym
U.S. Department of EnergyAcronym
U.S. Department of Homeland SecurityAcronym
U.S. Government Accountability OfficeAcronym
UltravioletAcronym
Unaffiliated IRB MemberDefinitionSC - Office of Science
Unanticipated ProblemDefinitionSC - Office of Science
Unauthorized ActDefinitionNA - National Nuclear Security Administration
Unauthorized DirectiveDefinitionMA - Office of Management
Unauthorized DisclosureDefinitionEH - Office of Environment, Health, Safety and Security