EPA announces final decision on review of the Ozone standard

On December 23, 2020, the U.S. Environmental Protection Agency (EPA) announced its decision to retain, without changes, the 2015 ozone National Ambient Air Quality Standards (NAAQS).

A copy of the pre-publication manuscript and a fact sheet are available at the link below:

https://www.epa.gov/ground-level-ozone-pollution/final-decision-retain-ozone-national-ambient-air-quality-standards

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