2019-10466: Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Approval of the Redesignation Request for the Washington, DC-MD-VA 2008 8-Hour Ozone National Ambient Air Quality Standard Nonattainment Area
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The Environmental Protection Agency (EPA) is proposing to approve a request from the District of Columbia (the District) to redesignate to attainment their portion of the Washington, DC-MD-VA nonattainment area (hereafter "the Washington Area" or "the Area") for the 2008 8-hour ozone national ambient air quality standard (NAAQS or standard) (also referred to as the 2008 ozone NAAQS). EPA has already approved, as a revision to the District's SIP, a maintenance plan that demonstrates maintenance of the 2008 ozone NAAQS through 2030 in the Washington Area. 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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