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ozone


EPA Will Not Revisit Obama-Era NAAQS for Ozone

The Environmental Protection Agency (EPA) does not intend to revisit national ambient air quality standards (NAAQS) for ozone that the Obama administration issued in 2015, a court filing shows.  The…


D.C. Circuit Vacates Parts of EPA Ozone Regulations

The D.C. Circuit last week struck down parts of an Environmental Protection Agency (EPA) rule concerning implementation of its 2008 ozone standards, creating new regulatory limbo for the entities required…


New York and Connecticut Renew Interstate Smog Fight in New Lawsuit

New York and Connecticut on January 17 filed suit to force the Environmental Protection Agency (EPA) to curb ground-level ozone blowing in from Illinois, Michigan, Pennsylvania, Virginia, and West Virginia…


Eight States Sue EPA, Arguing Ozone Transport Region Decision Is “Unlawful”
environmental rule, U.S.,

Eight northeastern states are again suing the Environmental Protection Agency (EPA) to force the agency to slash emissions of nitrogen oxides (NOx) and volatile organic compounds (VOCs) blowing in from…


EPA Extends Deadline for 2015 Ozone NAAQS Area Designations

The Environmental Protection Agency (EPA) is giving states an extra year to develop air quality plans related to the 2015-National Ambient Air Quality Standards (NAAQS) for ground-level ozone. In a…