Environmental Protection Agency July 24, 2012 – Federal Register Recent Federal Regulation Documents
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Limited Approval and Disapproval of Air Quality Implementation Plans; Nevada; Clark County; Stationary Source Permits
EPA is proposing a limited approval and limited disapproval of revisions to the Clark County portion of the applicable state implementation plan (SIP) for the State of Nevada. The submitted revisions include new and amended rules governing the issuance of permits for stationary sources, including review and permitting of major sources and major modifications under parts C and D of title I of the Clean Air Act (CAA). The intended effect of this proposed limited approval and limited disapproval action is to update the applicable SIP with current Clark County permitting rules and to set the stage for remedying certain deficiencies in these rules. If finalized as proposed, this limited disapproval action would trigger an obligation on EPA to promulgate a Federal Implementation Plan unless Nevada submits and we approve SIP revisions that correct the deficiencies within two years of the final action, and for certain deficiencies the limited disapproval would also trigger sanctions under section 179 of the CAA unless Nevada submits and we approve SIP revisions that correct the deficiencies within 18 months of final action.
Notice of Data Availability for Approval, Disapproval and Promulgation of Implementation Plans; State of Wyoming; Regional Haze State Implementation Plan; Federal Implementation Plan for Regional Haze
EPA is providing notice that information has been posted in the docket pertaining to EPA's proposed action on the State Implementation Plan (SIP) revision submitted by the State of Wyoming on January 12, 2011, that addresses regional haze. (Docket ID No. EPA-R08- OAR-2012-0026). This information is relevant to the portion of the rulemaking pertaining to the proposed Federal Implementation Plan (FIP) and proposals in the alternative for PacifiCorp Jim Bridger Unit 1 and Unit 2. EPA is requesting comment on the new data provided in the docket. This information could impact EPA's final decision on the rulemaking as it pertains to Jim Bridger Unit 1 and Unit 2.
Approval and Promulgation of Implementation Plans; North Carolina; 110(a)(1) and (2) Infrastructure Requirements for the 1997 Annual and 2006 Fine Particulate Matter National Ambient Air Quality Standards
EPA is proposing to approve in part, and conditionally approve in part, the State Implementation Plan (SIP) revisions, submitted by the State of North Carolina, through the Department of Environment and Natural Resources (NC DENR), Division of Air Quality (DAQ), as demonstrating that the State meets the requirements of sections 110(a)(1) and (2) of the Clean Air Act (CAA or the Act) for the 1997 annual and 2006 24-hour fine particulate matter (PM2.5) national ambient air quality standards (NAAQS). Section 110(a) of the CAA requires that each state adopt and submit a SIP for the implementation, maintenance, and enforcement of each NAAQS promulgated by the EPA, which is commonly referred to as an ``infrastructure'' SIP. DAQ certified that the North Carolina SIP contains provisions that ensure the 1997 annual and 2006 24-hour PM2.5 NAAQS are implemented, enforced, and maintained in North Carolina (hereafter referred to as ``infrastructure submissions''). EPA is proposing to determine that North Carolina's infrastructure submissions, provided to EPA on April 1, 2008, and on September 21, 2009, addressed all the required infrastructure elements for the 1997 annual and 2006 24-hour PM2.5 NAAQS with the exception of sections 110(a)(2)(C), 110(a)(2)(E)(ii) and 110(a)(2)(J). With respect to sections 110(a)(2)(C) related to PSD requirements, 110(a)(2)(E)(ii) and 110(a)(2)(J) related to PSD requirements, EPA is proposing to conditionally approve these requirements.
Notice of Issuance of Final Air Permits for BHP Billiton Petroleum, Inc., Murphy Exploration and Production Co., and Eni US Operating Co., Inc.
This notice is to announce that on May 11, 2012, EPA issued a final Outer Continental Shelf (OCS) air permit for Murphy Exploration and Production Co. (Murphy), and on May 30, 2012, EPA issued a final OCS air permit for BHP Billiton Petroleum, Inc., (BHPB). These permits became effective on June 11, 2012, and June 30, 2012, respectively. In addition, EPA issued a final OCS air permit modification for Eni US Operating Company, Inc. (Eni) on May 8, 2012 that was effective on May 11, 2012. The Murphy permit regulates air pollutant emissions from the Diamond Offshore Ocean Confidence drilling vessel and support vessels, which Murphy intends to operate within lease block Lloyd Ridge 317 on the OCS in the Gulf of Mexico, approximately 135 miles southeast of the mouth of the Mississippi River and 180 miles south of the nearest Florida coast. The BHPB permit regulates air pollutant emissions from one of two drilling vessels owned by Transocean, either the C.R. Luigs or the Development Driller 1, and support vessels, which BHPB intends to operate in multiple locations in BHPB's DeSoto Canyon lease blocks on the OCS in the Gulf of Mexico, approximately 120 miles southeast of the mouth of the Mississippi River and 125 miles from the nearest Alabama and Florida coast. The Eni permit regulates air pollutant emissions from the Transocean Pathfinder drilling vessel and support vessels, which Eni intends to operate within lease block Lloyd Ridge 411 on the OCS in the Gulf of Mexico, approximately 154 miles southeast of the mouth of the Mississippi River and 189 miles south of the nearest Florida coast. All three operations will last less than two years, and based on applicable permitting regulations, are ``temporary sources'' for permitting purposes.
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