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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.

CASAC
Reports

  • CASAC Reports
    • 12/09/2024 Consultation on the EPA’s Health Risk and Exposure Analyses in Support of the Review of the National Ambient Air Quality Standards for Lead – Update on Two Aspects of the Analytical Approach (November 2024)
    • 05/16/2024 CASAC Advice on the National Ambient Air Quality Standards (NAAQS) Review Process
    • 04/24/2024 Consultation on the EPA’s Integrated Review Plan for the Primary National Ambient Air Quality Standards for Oxides of Nitrogen. Volume 2: Planning for the Review and the Integrated Science Assessment (March 2024)
  • Agency Responses
  More Reports and Agency Responses

Committees, Panels, and Membership