Office of Air and Radiation

E7311

division of the United States Environmental Protection Agency office of the United States federal government

The Office of Air and Radiation is a division of the U.S. Environmental Protection Agency responsible for developing and enforcing national programs and regulations to protect and improve air quality and control radiation exposure.

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All labels observed (7)

Label	Occurrences
Office of Air and Radiation canonical	9
EPA Office of Air and Radiation	3
U.S. EPA Office of Air and Radiation	2
Assistant Administrator for Air and Radiation	1
Clean Air Markets Division	1
Office of Air Quality Planning and Standards	1
Office of Transportation and Air Quality	1

How this entity was disambiguated

This entity first appeared as the object of triple T77947 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Office of Air and Radiation
Context triple: [United States Environmental Protection Agency, subOrganization, Office of Air and Radiation]

A. United States Environmental Protection Agency
The United States Environmental Protection Agency is a federal government agency responsible for protecting human health and the environment through regulation, enforcement, and environmental research in the United States.
B. Office of Weapons and Counterproliferation
The Office of Weapons and Counterproliferation is a specialized unit focused on analyzing, monitoring, and helping to prevent the spread of weapons and related technologies.
C. Environment and Natural Resources Division
The Environment and Natural Resources Division is the branch of the U.S. Department of Justice responsible for enforcing federal environmental and natural resource laws and representing the United States in related litigation.
D. Directorate of Science and Technology
The Directorate of Science and Technology is the branch of the CIA responsible for developing and applying advanced technologies to support U.S. intelligence collection and analysis.
E. United States Atomic Energy Commission
The United States Atomic Energy Commission was the federal agency that oversaw and regulated the development, production, and civilian use of nuclear energy and weapons in the United States during the early Cold War era.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Office of Air and Radiation
Target entity description: The Office of Air and Radiation is a division of the U.S. Environmental Protection Agency responsible for developing and enforcing national programs and regulations to protect and improve air quality and control radiation exposure.

A. Office of Intergovernmental Affairs
The Office of Intergovernmental Affairs is a White House office that manages the President’s relationships and coordination with state, local, tribal, and territorial governments.
B. United States Environmental Protection Agency
The United States Environmental Protection Agency is a federal government agency responsible for protecting human health and the environment through regulation, enforcement, and environmental research in the United States.
C. Office of Weapons and Counterproliferation
The Office of Weapons and Counterproliferation is a specialized unit focused on analyzing, monitoring, and helping to prevent the spread of weapons and related technologies.
D. Environment and Natural Resources Division
The Environment and Natural Resources Division is the branch of the U.S. Department of Justice responsible for enforcing federal environmental and natural resource laws and representing the United States in related litigation.
E. Directorate of Science and Technology
The Directorate of Science and Technology is the branch of the CIA responsible for developing and applying advanced technologies to support U.S. intelligence collection and analysis.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	division of the United States Environmental Protection Agency ⓘ office of the United States federal government ⓘ
appliesToJurisdiction	United States ⓘ linked to: United States of America states and territories of the United States ⓘ
country	United States ⓘ linked to: United States of America
fieldOfWork	air quality management ⓘ climate change mitigation ⓘ environmental regulation ⓘ public health protection ⓘ radiation protection ⓘ
goal	to limit harmful radiation exposure to the public and the environment ⓘ to protect and improve air quality in the United States ⓘ
hasPart	Clean Air Markets Division ⓘ linked to: Office of Air and Radiation Office of Air Quality Planning and Standards ⓘ linked to: Office of Air and Radiation Office of Atmospheric Protection ⓘ Office of Radiation and Indoor Air ⓘ Office of Transportation and Air Quality ⓘ linked to: Office of Air and Radiation
headquartersLocation	Washington, D.C. ⓘ
inception	1970s ⓘ
jurisdiction	federal government of the United States ⓘ linked to: United States government
locatedInTheAdministrativeTerritorialEntity	District of Columbia ⓘ
operatedBy	United States Environmental Protection Agency ⓘ
parentOrganization	United States Environmental Protection Agency ⓘ
partOf	United States Environmental Protection Agency ⓘ United States federal environmental policy apparatus ⓘ
responsibleFor	acid rain control programs ⓘ developing national air quality programs ⓘ developing national ambient air quality standards ⓘ developing national radiation protection programs ⓘ emergency preparedness for radiological incidents ⓘ greenhouse gas emission standards for certain sectors ⓘ implementing fuel quality standards ⓘ implementing programs under the Clean Air Act Amendments of 1990 ⓘ implementing the Clean Air Act ⓘ implementing vehicle emission standards ⓘ indoor air quality programs ⓘ radiation exposure control programs ⓘ radiation standards for environmental and public exposure ⓘ regional haze and visibility protection programs ⓘ regulating air emissions from mobile sources ⓘ regulating air emissions from stationary sources ⓘ stratospheric ozone protection programs ⓘ
shortName	OAR ⓘ
subjectOf	United States federal environmental regulations ⓘ
use	implementation of national air pollution control programs ⓘ implementation of national radiation protection programs ⓘ
website	https://www.epa.gov/aboutepa/about-office-air-and-radiation-oar ⓘ

How these facts were elicited