2020-16443: Air Plan Approval; MS; BART SIP and Regional Haze Progress Report
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The Environmental Protection Agency (EPA) is proposing to approve, through parallel processing, a draft Mississippi State Implementation Plan (SIP) revision, submitted through a letter dated April 23, 2020, addressing best available retrofit technology (BART) determinations for 14 electric generating units (EGUs) ("draft BART SIP"). These EGUs were initially addressed in EPA's prior limited approval and limited disapproval actions on Mississippi's regional haze SIP because of deficiencies arising from the State's reliance on the Clean Air Interstate Rule (CAIR) to satisfy certain regional haze requirements. EPA proposes to approve the draft BART SIP and finds that it corrects the deficiencies that led to the limited approval and limited disapproval of the State's regional haze SIP; to withdraw the limited disapproval of the regional haze SIP; and to replace the prior limited approval with a full approval of the regional haze SIP as meeting all regional haze requirements of the Clean Air Act (CAA or Act) for the first implementation period. In addition, EPA is proposing to approve the State's first periodic report describing progress towards reasonable progress goals (RPGs) established for regional haze and the associated determination that the State's regional haze SIP is adequate to meet these RPGs for the first implementation period ("Progress Report"). The State submitted the progress report as a SIP revision by letter dated October 4, 2018.
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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