Glossary

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

Search results: 3614

		OPI
Headquarters Classification Officer	Definition	AU - Office of Environment, Health, Safety and Security
Headquarters Classification Representative	Definition	AU - Office of Environment, Health, Safety and Security
Headquarters Office	Definition	NA - National Nuclear Security Administration
Headquarters Organization	Definition	NA - National Nuclear Security Administration
Heads of Departmental Element	Acronym
Heads of Departmental Elements (HDEs)	Definition	AU - Office of Environment, Health, Safety and Security, IM - Office of the Chief Information Officer, S4 - Office of the Under Secretary for Science and Energy
Heads of Departmental Elements/Heads of Organizations/Administrators	Definition	HC - Office of the Chief Human Capital Officer
Heads of Field Elements	Acronym
Heads of Field Elements/Field Office Managers	Definition	AU - Office of Environment, Health, Safety and Security, MA - Office of Management, S4 - Office of the Under Secretary for Science and Energy
Heads of Field Elements/Site Office Managers	Definition	MA - Office of Management
Health and Human Services	Acronym
Health Physics Society	Acronym
Heat	Definition	PM - Office of Project Management Oversight and Assessments
Heating, Ventilating, and Air-Conditioning	Acronym
Heating, Ventilation and Air Conditioning	Acronym
High Dollar Value	Acronym
High Efficiency Particulate Air (Filter)	Acronym
High Explosive Deflagration	Definition	NA - National Nuclear Security Administration
High Explosive Detonation	Definition	NA - National Nuclear Security Administration
High Explosive Violent Reaction (HEVR)	Definition	NA - National Nuclear Security Administration
High Fidelity	Definition	PM - Office of Project Management Oversight and Assessments
High Performance and Sustainable Building	Acronym
High Performance and Sustainable Building	Definition	PM - Office of Project Management Oversight and Assessments
High Performance Computing	Acronym
High Risk Personal Property	Acronym

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