Archives of Directives

Glossary

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

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OPI
Unreviewed Safety Issue (USI)DefinitionSC - Office of Science
Unreviewed Safety QuestionAcronym
Unreviewed Safety Question (USQ)DefinitionAU - Office of Environment, Health, Safety and Security, EH - Office of Environment, Health, Safety and Security
Unreviewed Safety Question DeterminationAcronym
Unreviewed Safety Question ProcessDefinitionEH - Office of Environment, Health, Safety and Security
Unscheduled RecordsDefinitionIM - Office of the Chief Information Officer
UnsubstantiatedDefinitionAU - Office of Environment, Health, Safety and Security
UpgradeDefinitionAU - Office of Environment, Health, Safety and Security
Upper LevelAcronym
Upper Level Earthquake Ground MotionDefinitionMA - Office of Management
Uranium Mill Tailing Remedial Action ProjectAcronym
Uranium Mill Tailings Radiation Control Act of 1978Acronym
Uranium Mill Tailings Remedial ActionAcronym
Use ControlAcronym
Use ControlDefinitionNA - National Nuclear Security Administration
Use/UserDefinitionEM - Office of Environmental Management
Useful BeamDefinitionAU - Office of Environment, Health, Safety and Security
Useful LifeDefinitionMA - Office of Management
UserDefinitionAU - Office of Environment, Health, Safety and Security
User Acceptance TestAcronym
User Activity Monitoring (UAM)DefinitionEH - Office of Environment, Health, Safety and Security
User Move-InDefinitionPM - Office of Project Management Oversight and Assessments
USI ProcessDefinitionSC - Office of Science
UtilitiesDefinitionMA - Office of Management
Utilities (specific to a project)DefinitionPM - Office of Project Management Oversight and Assessments