CASAC panel to hold series of PM NAAQS meetings

EPA’s newly formed panel of experts will hold a series of meetings this fall to assist the Clean Air Scientific Advisory Committee (CASAC) in considering the agency’s reconsideration of national ambient air quality standards (NAAQS) for particulate matter (PM), setting a fast pace for the process that EPA hopes to conclude in 2023. In a notice published in the Federal Register Sept. 22, EPA announces that the PM NAAQS review panel will meet virtually for the first time Oct...