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.

Meetings and
Events

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