2018-09653: Approval and Promulgation of Air Quality Implementation Plans; Virginia; Regional Haze Plan and Visibility for the 2010 Sulfur Dioxide and 2012 Fine Particulate Standards
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The Environmental Protection Agency (EPA) is issuing a supplement to its March 1, 2018 proposed approval of the Commonwealth of Virginia's (the Commonwealth or Virginia) request to change reliance on the Clean Air Interstate Rule (CAIR) to reliance on the Cross-State Air Pollution Rule (CSAPR) to address certain regional haze requirements and to convert the Agency's limited approval/limited disapproval of Virginia's regional haze SIP to a full approval. EPA's March 1, 2018 notice of proposed rulemaking (NPR) also proposed to approve the "visibility element" of Virginia's infrastructure SIP submittals for the 2010 sulfur dioxide (SO<INF>2</INF>) and 2012 fine particulate matter (PM<INF>2.5</INF>) national ambient air quality standards (NAAQS). This supplemental proposal clarifies the infrastructure elements the Agency is proposing to approve for the 2010 SO<INF>2</INF> National Ambient Air Quality Standards (NAAQS) and proposes to remove EPA's June 7, 2012 federal implementation plan (FIP) for Virginia which replaced reliance on CAIR with reliance on CSAPR to address certain deficient regional haze requirements identified in the Commonwealth's regional haze state implementation plan (SIP). EPA is seeking comment only on the issues raised in this supplemental proposal and is not reopening for comment other issues raised in its prior proposal. 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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