SAB Staff Office Seeking Nominations for the Chartered CASAC

Dear Colleagues,

The SAB Staff Office announced in a Federal Register Notice published today ( that it is seeking nominations for the Chartered CASAC. As required under the Clean Air Act section 109(d), the CASAC is composed of seven members, with at least one member of the National Academy of Sciences, one physician, and one person representing state air pollution control agencies. The SAB Staff Office is seeking nominations of experts to serve on the CASAC to fulfill the statutory requirement of representing state air pollution control agencies. These scientists should have expertise in one or more of the following disciplines: air quality, biostatistics, ecology, environmental engineering, epidemiology, exposure assessment, medicine, risk assessment, and toxicology. The SAB Staff Office is especially interested in scientists with expertise described above who have knowledge and experience relating to criteria pollutants (carbon monoxide, lead, nitrogen oxides, ozone, particulate matter, and sulfur oxides).

I am writing to ask your help in identifying a diverse range of qualified candidates to be considered for the Administrator’s appointment to the CASAC. I invite you to nominate candidates for the CASAC, and encourage you to share this request with others. Nominations to the CASAC should be made using the web nomination link at the bottom of the CASAC homepage ( under “Public Input on Membership.” The current nominations are for the Chartered CASAC. For pollutant-specific CASAC panels, we will publish Federal Register Notices in the future announcing nominations for those panels.

Nominations are sought by February 27, 2023. Should you have questions about the nomination process or the broad charge to the CASAC, please don’t hesitate to contact me. Thank you in advance for your assistance in identifying a diverse set of expert candidates for the CASAC.


Aaron Yeow, M.P.H.
Designated Federal Officer
U.S. Environmental Protection Agency
Science Advisory Board
202-564-2050 (P)
202-565-2098 (F)

Mailing Address:
USEPA, 1200 Pennsylvania Avenue, NW, (1400R), Washington, DC 20460

Physical Location/Deliveries:
1300 Pennsylvania Avenue, NW, Suite 31150, Washington, DC 20004

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