EPA has made the determination to reconsider the December 2020 decision to retain the ozone National Ambient Air Quality Standards (NAAQS). These standards were last revised in 2015. EPA has requested CASAC review of the Policy Assessment for the Reconsideration of the Ozone National Ambient Air Quality Standards, External Review Draft Version 2.
| ||2022 CASAC Ozone Review Panel|
| ||Aaron Yeow|
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See EPA’s PDF page to learn more about PDF files.