2017-08356: Determination of Attainment by the Attainment Date for the 2008 Ozone Standard; District of Columbia, Maryland, and Virginia; Washington, DC-MD-VA Area
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The Environmental Protection Agency (EPA) is proposing to determine that the Washington, DC-MD-VA marginal ozone nonattainment area (the Washington Area) has attained the 2008 ozone national ambient air quality standard (NAAQS) by the July 20, 2016 attainment date. This proposed determination is based on complete, certified, and quality assured ambient air quality monitoring data for the Washington Area for the 2013 through 2015 monitoring period. This proposed determination does not constitute a redesignation to attainment. This action is being taken under the Clean Air Act (CAA).
The agency’s own summary, as published.
What this changes
Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.
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