Approval and Promulgation of Implementation Plans; North Dakota; Regional Haze State Implementation Plan; Federal Implementation Plan for Interstate Transport of Pollution Affecting Visibility and Regional Haze; Reconsideration

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency 40 CFR Part 52 [EPA-R08-OAR-2010-0406; FRL-9790-8] AGENCY: Environmental Protection Agency (EPA). ACTION: Proposed rule. SUMMARY: On April 6, 2012, EPA published a final rule partially approving and partially disapproving a North Dakota State Implementation Plan (SIP) submittal addressing regional haze submitted by the Governor of North Dakota on March 3, 2010, along with SIP Supplement No. 1 submitted on July 27, 2010, and part of SIP Amendment No. 1 submitted on July 28, 2011. The Administrator subsequently received a petition requesting EPA to reconsider certain provisions in the final rule. Specifically, the petition raised several objections to EPA's approval of the State's best available retrofit technology (BART) emission limits for nitrogen oxides (NO X ) for Milton R. Young Station Units 1 and 2 and Leland Olds Station Unit 2, which are coal-fired power plants in North Dakota. In this action, EPA is initiating the reconsideration of its approval of the NO X BART limits for these units, proposing to affirm its approval of these limits, and requesting comment on this proposal. We are not reconsidering or requesting comment on any other provisions of the final rule. DATES: Comments: Comments must be received on or before May 14, 2013 unless a public hearing is held, which would extend the comment period (see below). Public Hearing: If anyone contacts EPA requesting to speak at a public hearing by April 8, 2013, a public hearing will be he…