Archives of Directives

Glossary

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

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OPI
Unbound Engineered Nanoscale Particles (UNP)DefinitionAU - Office of Environment, Health, Safety and Security
Unbound Engineered Nanoscale Particles (UNP) WorkerDefinitionAU - Office of Environment, Health, Safety and Security
UncertaintyDefinitionPM - Office of Project Management Oversight and Assessments
Unclassified Controlled Nuclear InformationAcronym
Unclassified Controlled Nuclear InformationDefinitionEM - Office of Environmental Management, NA - National Nuclear Security Administration
Unclassified Controlled Technical InformationAcronym
Unclassified Controlled Technical Information (UCTI)DefinitionIM - Office of the Chief Information Officer
Under Secretary of EnergyAcronym
Under Secretary of Energy (US)DefinitionPM - Office of Project Management Oversight and Assessments
Undistributed BudgetAcronym
Undistributed BudgetDefinitionPM - Office of Project Management Oversight and Assessments
Unidentified RisksDefinitionPM - Office of Project Management Oversight and Assessments
Unified Facilities Guide SpecificationAcronym
Uniform Capital RecoveryAcronym
Uniform ExposureDefinitionAU - Office of Environment, Health, Safety and Security
Uniform Federal Policy for Implementing Environmental Quality SystemsAcronym
Unique identifierDefinitionNA - National Nuclear Security Administration
Unirradiated Nuclear MaterialDefinitionNA - National Nuclear Security Administration
United Nations Scientific Committee on the Effects of Atomic RadiationAcronym
United StatesAcronym
United States CodeAcronym
United States Computer Emergency Readiness TeamAcronym
United States Law WeekAcronym
United States Postal ServiceAcronym
Unreviewed Safety IssueAcronym