Glossary

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

Search results: 3614

		OPI
Offsite Transportation Authorization (OTA)	Definition	NA - National Nuclear Security Administration
Offsite Transportation Certificate (OTC)	Definition	NA - National Nuclear Security Administration
Offsite Transportation Direction (OTD)	Definition	NA - National Nuclear Security Administration
Offsite Transportation Event	Definition	AU - Office of Environment, Health, Safety and Security
Oil	Definition	AU - Office of Environment, Health, Safety and Security
OMB-83-I, Paperwork Reduction Act Submission	Definition	IM - Office of the Chief Information Officer
On-site	Definition	EM - Office of Environmental Management
On-Site Work	Definition	S4 - Office of the Under Secretary for Science and Energy
On-The-Job Training	Acronym
One Point Safety	Definition	NA - National Nuclear Security Administration
One-Point Safe Nuclear Explosive	Definition	NA - National Nuclear Security Administration
Onsite	Definition	AU - Office of Environment, Health, Safety and Security
Onsite Transfer	Definition	EM - Office of Environmental Management
Onsite Transfer Event	Definition	AU - Office of Environment, Health, Safety and Security
Operable Unit (OU)	Definition	PM - Office of Project Management Oversight and Assessments
Operating Expense	Acronym
Operating Experience	Acronym
Operating Experience	Definition	AU - Office of Environment, Health, Safety and Security
Operating Organization	Definition	EH - Office of Environment, Health, Safety and Security
Operating Procedures	Definition	NA - National Nuclear Security Administration
Operation and Maintenance	Acronym
Operation Test Plans	Definition	PM - Office of Project Management Oversight and Assessments
Operation(s)	Definition	AU - Office of Environment, Health, Safety and Security, IM - Office of the Chief Information Officer, MA - Office of Management
Operational Drill	Definition	EH - Office of Environment, Health, Safety and Security
Operational Emergency (non-OST)	Definition	NA - National Nuclear Security Administration

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