Archives of Directives
Definitions
Defined terms and acronyms used across the directives — filter by letter, type or office.
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| OPI | ||
|---|---|---|
| Applicable or Relevant and Appropriate Requirement (ARAR) | Definition | PM - Office of Project Management Oversight and Assessments |
| Applicant | Definition | IM - Office of the Chief Information Officer |
| Applications Parts List (APL) | Definition | PM - Office of Project Management Oversight and Assessments |
| Appointee | Definition | HC - Office of the Chief Human Capital Officer |
| Appointing Official | Definition | AU - Office of Environment, Health, Safety and Security |
| Appraisal | Definition | EA - Office of Independent Enterprise Assessment, EM - Office of Environmental Management, IM - Office of the Chief Information Officer |
| Appraisal Period | Definition | HC - Office of the Chief Human Capital Officer |
| Apprentice | Definition | AU - Office of Environment, Health, Safety and Security |
| Approach | Definition | IM - Office of the Chief Information Officer |
| Appropriate HSP Program Manager | Definition | SC - Office of Science |
| Approval Authority | Definition | EM - Office of Environmental Management |
| Approve | Definition | SC - Office of Science |
| Approved Engineered Contamination Barrier | Definition | EM - Office of Environmental Management |
| Architecture Review Board (ARB) | Definition | IM - Office of the Chief Information Officer |
| Archives and Records Centers Information System (ARCIS) | Definition | IM - Office of the Chief Information Officer |
| As Low As Reasonably Achievable (ALARA) | Definition | AU - Office of Environment, Health, Safety and Security |
| As-built Drawings (Prior to and after construction) | Definition | PM - Office of Project Management Oversight and Assessments |
| Asbestos Hazard Emergency Response Act (AHERA) | Definition | PM - Office of Project Management Oversight and Assessments |
| Assess, Distribute, and Sustain Planning Model | Definition | NA - National Nuclear Security Administration |
| Assessment | Definition | NA - National Nuclear Security Administration, EH - Office of Environment, Health, Safety and Security |
| Assessment and Authorization (A&A) | Definition | IM - Office of the Chief Information Officer |
| Asset | Definition | AU - Office of Environment, Health, Safety and Security, MA - Office of Management |
| Asset Management | Definition | AU - Office of Environment, Health, Safety and Security |
| Assumptions | Definition | PM - Office of Project Management Oversight and Assessments |
| Assurance | Definition | SC - Office of Science |