Archives of Directives

Glossary

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

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OPI
The Deputy Secretary of EnergyAcronym
The Foreign Investment and National Security Act of 2007Acronym
The Secretary of EnergyAcronym
The Under SecretaryAcronym
The Under Secretary for ScienceAcronym
The Under Security for Nuclear Security and Administrator, National Nuclear Security AdministrationAcronym
Thermo Luminescent DosimeterAcronym
Third-Party EventsDefinitionAU - Office of Environment, Health, Safety and Security
ThoronDefinitionAU - Office of Environment, Health, Safety and Security
ThreatDefinitionPM - Office of Project Management Oversight and Assessments
Threat and Hazard Identification and Risk AssessmentAcronym
Three-Factor AuthenticationDefinitionAU - Office of Environment, Health, Safety and Security
Threshold Limit ValueAcronym
Time-Weighted AverageAcronym
TimelinessDefinitionIM - Office of the Chief Information Officer
Timely ResponseDefinitionAU - Office of Environment, Health, Safety and Security
Tissue Weighting Factor (wT)DefinitionAU - Office of Environment, Health, Safety and Security
Title I DesignDefinitionPM - Office of Project Management Oversight and Assessments
Title I Design EstimatesDefinitionPM - Office of Project Management Oversight and Assessments
Title II DesignDefinitionPM - Office of Project Management Oversight and Assessments
Title II Design EstimatesDefinitionPM - Office of Project Management Oversight and Assessments
Title III DesignDefinitionPM - Office of Project Management Oversight and Assessments
To Complete Performance IndexAcronym
Top SecretAcronym
Top Secret-Formerly Restricted DataAcronym