Approval and Promulgation of Air Quality Implementation Plans; North Dakota; Regional Haze State Implementation Plan

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-9976-56—Region 8] AGENCY: Environmental Protection Agency (EPA). ACTION: Proposed rule. SUMMARY: The Environmental Protection Agency (EPA) is proposing to approve certain portions of a State Implementation Plan (SIP) revision to address regional haze submitted by the Governor of North Dakota on March 3, 2010, along with SIP Supplement No. 1 submitted on July 27, 2010, SIP Amendment No. 1 submitted on July 28, 2011 and SIP Supplement No. 2 submitted on January 2, 2013 (collectively, “the Regional Haze SIP”). Specifically, the EPA is proposing to approve the nitrogen oxides (NO X ) Best Available Retrofit Technology (BART) determination for Coal Creek Station included in SIP Supplement No. 2. Coal Creek Station is owned and operated by Great River Energy (GRE) and is located near Underwood, North Dakota. This Regional Haze SIP was submitted to address the requirements of the Clean Air Act (CAA or “the Act”) and our rules that require states to develop and implement air quality protection plans to reduce visibility impairment in mandatory Class I areas caused by emissions of air pollutants from numerous sources located over a wide geographic area (also referred to as the “regional haze program”). States are required to assure reasonable progress toward the national goal of achieving natural visibility conditions in Class I areas. The EPA is taking this action purs…