Archives of Directives
Definitions
Defined terms and acronyms used across the directives — filter by letter, type or office.
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| OPI | ||
|---|---|---|
| Unauthorized Disclosure | Definition | EH - Office of Environment, Health, Safety and Security |
| Unbound Engineered Nanoscale Particles (UNP) | Definition | AU - Office of Environment, Health, Safety and Security |
| Unbound Engineered Nanoscale Particles (UNP) Worker | Definition | AU - Office of Environment, Health, Safety and Security |
| Uncertainty | Definition | PM - Office of Project Management Oversight and Assessments |
| Unclassified Controlled Nuclear Information | Definition | EM - Office of Environmental Management, NA - National Nuclear Security Administration |
| Unclassified Controlled Technical Information (UCTI) | Definition | IM - Office of the Chief Information Officer |
| Under Secretary of Energy (US) | Definition | PM - Office of Project Management Oversight and Assessments |
| Undistributed Budget | Definition | PM - Office of Project Management Oversight and Assessments |
| Unidentified Risks | Definition | PM - Office of Project Management Oversight and Assessments |
| Uniform Exposure | Definition | AU - Office of Environment, Health, Safety and Security |
| Unique identifier | Definition | NA - National Nuclear Security Administration |
| Unirradiated Nuclear Material | Definition | NA - National Nuclear Security Administration |
| Unreviewed Safety Issue (USI) | Definition | SC - Office of Science |
| Unreviewed Safety Question (USQ) | Definition | AU - Office of Environment, Health, Safety and Security, EH - Office of Environment, Health, Safety and Security |
| Unreviewed Safety Question Process | Definition | EH - Office of Environment, Health, Safety and Security |
| Unscheduled Records | Definition | IM - Office of the Chief Information Officer |
| Unsubstantiated | Definition | AU - Office of Environment, Health, Safety and Security |
| Upgrade | Definition | AU - Office of Environment, Health, Safety and Security |
| Upper Level Earthquake Ground Motion | Definition | MA - Office of Management |
| Use Control | Definition | NA - National Nuclear Security Administration |
| Use/User | Definition | EM - Office of Environmental Management |
| Useful Beam | Definition | AU - Office of Environment, Health, Safety and Security |
| Useful Life | Definition | MA - Office of Management |
| User | Definition | AU - Office of Environment, Health, Safety and Security |
| User Activity Monitoring (UAM) | Definition | EH - Office of Environment, Health, Safety and Security |