Publications
Sep 18, 2017
The District of Columbia, the State of Maryland, and the Commonwealth of Virginia request that the United States Environmental Protection Agency (USEPA) redesignate the Washington DC-MD-VA 2008 ozone National Ambient Air Quality Standard (NAAQS) marginal nonattainment are to attainment for this standard pursuant to the provisions under ยง 107 of the federal Clean Air Act (CAA).