Weekly Focus

Ozone Designations Remand Might Force Return To Broader EPA Method

July 23, 2020
A federal appeals court ruling rejecting multiple EPA designations of which areas in the United States are attaining or violating ozone ambient air limits might force the agency to return to a broader view of when outlying areas of high-ozone metropolitan centers should also be designated in nonattainment, state air regulators say. The U.S. Court of Appeals for the District of Columbia Circuit in its July 10 ruling in Clean Wisconsin v. EPA, et al. remanded to the agency...


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