Environmental Protection Agency April 10, 2012 – Federal Register Recent Federal Regulation Documents
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Approval, Disapproval and Promulgation of Air Quality Implementation Plan; Utah; Maintenance Plan for the 1-Hour Ozone Standard for Salt Lake and Davis Counties
EPA is proposing to partially approve and partially disapprove State Implementation Plan (SIP) revisions submitted by the Governor of Utah on February 22, 1999. These revisions updated the State of Utah's maintenance plan for the 1-hour ozone standard for Salt Lake County and Davis County. As part of this action, EPA is also addressing certain actions it took in 2003 concerning such maintenance plan. This action is being taken under section 110 of the Clean Air Act (CAA).
Clean Water Act: Final Agency Action on 32 Total Maximum Daily Loads (TMDLs) in Louisiana
This notice announces final agency action on 32 TMDLs prepared by EPA Region 6 for waters listed in Louisiana's, Lake Pontchartrain Basin, under Section 303(d) of the Clean Water Act (CWA). Documents from the administrative record file for the 32 TMDLs, including TMDL calculations and responses to comments, may be viewed at www.epa.gov/ region6/water/npdes/tmdl/index.htm. The administrative record file may be examined by calling or writing Ms. Diane Smith at the address below. Please contact Ms. Smith to schedule an inspection.
Approval and Promulgation of Air Quality Implementation Plans; Colorado; Procedural Rules; Conflicts of Interest
EPA is approving Section 1.11 of Colorado's procedural rules as adopted by the Air Quality Control Commission (Commission) on January 16, 1998 and submitted to EPA as a State Implementation Plan (SIP) revision on November 5, 1999. Section 1.11.0 provides for specific requirements regarding the composition of the Commission and disclosure by its members of potential conflicts of interest. We are also approving the remaining portion of Colorado's January 7, 2008 submittal to meet the Infrastructure requirements of section 110(a)(2) of the Clean Air Act (CAA) for the 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS), specifically the portion intended to address the requirements of section 110(a)(2)(E)(ii) of the CAA. The proposed approval appeared in the Federal Register on January 4, 2012 (77 FR 235). EPA has determined that the approved revisions in Colorado's submittals are consistent with the CAA. This action is being taken under section 110 of the Clean Air Act.
Approval and Promulgation of Air Quality Implementation Plans; Colorado; Revisions to New Source Review Rules
EPA is approving those revisions adopted by the State of Colorado on April 16, 2004 to Regulation No. 3 (Stationary Source Permitting and Air Pollutant Emission Notice Requirements) that incorporate EPA's December 31, 2002 NSR Reforms. Colorado submitted the request for approval of these rule revisions into the State Implementation Plan (SIP) on July 11, 2005 and supplemented its request on October 25, 2005. EPA is approving only the portions of Colorado's revisions to Regulation Number 3 that relate to the prevention of significant deterioration (PSD) and non-attainment new source review (NSR) construction permit programs of the State of Colorado. Other revisions, renumberings, additions, or deletions to Regulation No. 3 made by Colorado as part of the April 16, 2004 final rulemaking are being acted on by EPA in a separate final action related to Colorado's Interstate Transport SIP (see proposed action at 76 FR 21835, April 19, 2011). Colorado has a federally approved NSR program for new and modified sources impacting attainment and non-attainment areas in the State. This action is being taken under section 110 of the Clean Air Act (CAA).
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