WASHINGTON (July 13, 2020) — Today, the U.S. Environmental Protection Agency (EPA) is announcing its proposal to retain, without changes, the existing, more stringent 2015 National Ambient Air Quality Standards (NAAQS) for ozone.
WASHINGTON (July 13, 2020) — Today, the U.S. Environmental Protection Agency (EPA) is announcing its proposal to retain, without changes, the existing, more stringent 2015 National Ambient Air Quality Standards (NAAQS) for ozone.