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Clean Air Scientific Advisory Committee (CASAC)

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The Clean Air Scientific Advisory Committee (CASAC) provides independent advice to the EPA Administrator on the technical bases for EPA's National Ambient Air Quality Standards.

Basic Information

Meetings and
Events

  • 04/27/2020 Public Teleconference of the Chartered CASAC and CASAC Secondary NAAQS Review Panel for Oxides of Nitrogen and Sulfur
  • 02/11/2020 - 02/12/2020 Public Meeting of the Chartered CASAC on Ozone
  • 12/03/2019 - 12/06/2019 Public Meeting of the Chartered Clean Air Scientific Advisory Committee (CASAC) on Particulate Matter and Ozone
  • More Meetings

CASAC
Reports

  • CASAC Reports
    • 05/05/2020 CASAC Review of the EPA's Integrated Science Assessment for Oxides of Nitrogen, Oxides of Sulfur, and Particulate Matter & Ecological Criteria (Second External Review Draft & June 2018)
    • 05/05/2020 Consultation on the EPA's Review of the Secondary Standards for Ecological Effects of Oxides of Nitrogen, Oxides of Sulfur, and Particulate Matter: Risk and Exposure Assessment Planning Document (August - 2018)
    • 02/19/2020 CASAC Review of the EPA's Policy Assessment for the Review of the Ozone National Ambient Air Quality Standards (External Review Draft & October 2019)
  • Agency Responses
  More Reports and Agency Responses

Committees, Panels, and Membership