Archives of Directives

Glossary

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

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OPI
Source MaterialDefinitionNA - National Nuclear Security Administration
Source Response CheckDefinitionAU - Office of Environment, Health, Safety and Security
Source UserDefinitionAU - Office of Environment, Health, Safety and Security
Source-Specific Air SamplingDefinitionAU - Office of Environment, Health, Safety and Security
Space Nuclear and Noncommercial Power Reactor and Radioisotope Power ProjectsDefinitionMA - Office of Management
Spares (Initial and Startup)DefinitionPM - Office of Project Management Oversight and Assessments
Special Access Program (SAP)DefinitionIN - Office of Intelligence and Counterintelligence
Special AssemblyDefinitionNA - National Nuclear Security Administration
Special EquipmentDefinitionPM - Office of Project Management Oversight and Assessments
Special Fissionable MaterialDefinitionNA - National Nuclear Security Administration
Special Government EmployeeDefinitionHC - Office of the Chief Human Capital Officer, MA - Office of Management
Special Nuclear MaterialAcronym
Special Nuclear MaterialDefinitionAU - Office of Environment, Health, Safety and Security
Special Nuclear Material(s) (SNM)DefinitionEH - Office of Environment, Health, Safety and Security, NA - National Nuclear Security Administration
Special Nuclear MaterialsAcronym
Special Radiobioassay MonitoringDefinitionAU - Office of Environment, Health, Safety and Security
Special SurveysDefinitionEH - Office of Environment, Health, Safety and Security
Special Train ServiceDefinitionEM - Office of Environmental Management
Specialized Enhanced VettingDefinitionAU - Office of Environment, Health, Safety and Security
Specialized Hauling VehiclesAcronym
Specific Administrative ControlsAcronym
Specific Administrative ControlsAcronym
Specification for the National Bridge Inventory Bridge ElementsAcronym
Spectrum Coordination GroupDefinitionIM - Office of the Chief Information Officer
Spent Nuclear FuelAcronym