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Dec. 8, 2020
EPA Finalizes NAAQS for Particulate Matter
EPA announced the agency's final decision to retain the existing National Ambient Air Quality Standards (NAAQS) for particulate matter (PM) set by the Obama-Biden Administration without changes. The decision to retain existing standards set by the Obama-Biden Administration, which applies to the NAAQS for both fine and coarse particulate matter (PM2.5 and PM10), comes after careful review and consideration of the most recent available scientific evidence and technical information, consultation with the agency's independent scientific advisors, and consideration of more than 60,000 public comments on the proposal.
 


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