About EPA

Organization Chart for EPA's Office of Air and Radiation

Office of Policy Analysis and Review

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 Programs (OAP)

202-343-9140
About OAP

  • Clean Air Markets 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
  • 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