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Organization Chart for EPA's Office of Air and Radiation

Office of Air Policy and Program Support

Office of Air and Radiation (OAR) Assistant Administrator and Deputy Assistant Administrator

202-564-7404
About OAR

Office of Program Management Operations

Office of Air Quality Planning and Standards (OAQPS)

919-541-5616
About OAQPS

Policy Analysis and Communications Staff
Central Operations and Resources
Air Quality Assessment Division
Air Quality Policy Division
Health and Environmental Impacts Division
Outreach and Information Division
Sector Policies and Programs Division
Washington Operations Staff

Office of Atmospheric Protection (OAP)

202-343-9140
About OAP

Clean Air and Power Division
Climate Protection Partnership Division
Stratospheric Protection Division
Climate Change Division

Office of Transportation and Air Quality (OTAQ)

202-566-0495
About OTAQ

Assessment and Standards Division
Implementation, Analysis and Compliance Division
Transportation and Climate Division
Testing and Advanced Technology Division

Office of Radiation and Indoor Air (ORIA)

202-343-9320
About ORIA

Program Management Office
Indoor Environments Division
Radiation Protection Division
Radiation and Indoor Environments National Laboratory
National Analytical Radiation Environmental Laboratory