Environmental Protection Agency October 24, 2013 – Federal Register Recent Federal Regulation Documents
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Notice of Extension of the Public Comment Period on the Draft Toxicological Review of Benzo[a]pyrene: In Support of the Summary Information on the Integrated Risk Information System (IRIS) and the Addition of Benzo[a]pyrene to the Agenda for the December 2013 IRIS Bimonthly Meeting
EPA is announcing an extension of the public comment period for the draft human health assessment titled, ``Toxicological Review of Benzo[a]pyrene: In Support of Summary Information on the Integrated Risk Information System (IRIS)'' (EPA/635/R-13/138) and the draft peer review charge questions from October 21, 2013, to November 21, 2013. The draft assessment will be added to the agenda for the IRIS bimonthly public meeting scheduled for December 12-13, 2013. Information on this meeting, including location, time, registration, and participation procedures will be available on the IRIS Web site (https://www.epa.gov/ iris/publicmeeting/).
Approval and Promulgation of Air Quality Implementation Plans; Delaware; Infrastructure Requirements for the 2010 Sulfur Dioxide National Ambient Air Quality Standards
EPA is proposing to approve a State Implementation Plan (SIP) submittal from the State of Delaware pursuant to the Clean Air Act (CAA). Whenever new or revised national ambient air quality standards (NAAQS) are promulgated, the CAA requires states to submit a plan for the implementation, maintenance, and enforcement of such NAAQS. The plan is required to address basic program elements, including, but not limited to, regulatory structure, monitoring, modeling, legal authority, and adequate resources necessary to assure attainment and maintenance of the standards. These elements are referred to as infrastructure requirements. Delaware has made a submittal addressing the infrastructure requirements for the 2010 sulfur dioxide (SO2) NAAQS. This action proposes to approve portions of this submittal.
Approval and Promulgation of Air Quality Implementation Plans; Rhode Island: Prevention of Significant Deterioration; Greenhouse Gas Permitting Authority and Tailoring Rule
EPA is taking direct final action to approve certain revisions to the Rhode Island State Implementation Plan (SIP) primarily relating to regulation of Greenhouse Gases (GHGs) under Rhode Island's Prevention of Significant Deterioration (PSD) preconstruction permitting program. EPA is also taking direct final action to approve the State's definition of ``PM2.5'' (fine particulate matter) specific to permitting. Certain of the State's revisions consist of definitions that also relate more broadly to the State's PSD and nonattainment new source review (NSR) preconstruction permitting requirements, i.e., to stationary sources that also emit regulated new source review pollutants other than GHGs. EPA is also taking direct final action to conditionally approve those definitions as they relate to the non-GHG pollutants, for the reasons described in more detail later in this notice. All of the revisions in question were submitted by Rhode Island, through the Rhode Island Department of Environmental Management (RI DEM) Office of Air Resources, on January 18, 2011. They are primarily intended to align Rhode Island's regulations with EPA's ``Prevention of Significant Deterioration and Title V Greenhouse Gas Tailoring Rule.'' Finally, EPA is not taking action on certain other SIP revisions contained in RI DEM's January 18, 2011 submittal.
Approval and Promulgation of Air Quality Implementation Plans; Rhode Island: Prevention of Significant Deterioration; Greenhouse Gas Permitting Authority and Tailoring Rule
EPA is proposing to fully approve certain revisions to the Rhode Island State Implementation Plan (SIP) primarily relating to regulation of Greenhouse Gases (GHGs) under Rhode Island's Prevention of Significant Deterioration (PSD) preconstruction permitting program. EPA is also proposing to fully approve the State's definition of ``PM2.5'' (fine particulate matter) which is specific only to permitting. Certain of the State's SIP revisions consist of definitions that also relate more broadly to the State's PSD and nonattainment new source review (NSR) preconstruction permitting requirements, i.e., to major stationary sources that also emit regulated new source review pollutants other than GHGs. EPA is proposing to conditionally approve those definitions as they relate to the non-GHG pollutants. All of the revisions in question were submitted by Rhode Island, through the Rhode Island Department of Environmental Management (RI DEM) Office of Air Resources, on January 18, 2011. They are primarily intended to align Rhode Island's SIP regulations with EPA's ``Prevention of Significant Deterioration and Title V Greenhouse Gas Tailoring Rule.'' Finally, EPA is not taking action on certain other SIP revisions contained in RI DEM's January 18, 2011 submittal.
Approval and Promulgation of Air Quality Implementation Plans; Ohio; Dayton-Springfield, Steubenville-Weirton, Toledo, and Parkersburg-Marietta; 1997 8-Hour Ozone Maintenance Plan Revision to Approved Motor Vehicle Emissions Budgets
Under the Clean Air Act (CAA), EPA is approving requests by Ohio to revise the 1997 8-hour ozone maintenance air quality state implementation plan (SIP) for the Dayton-Springfield area, the Toledo area, and the Ohio portions of the Parkersburg-Marietta and Steubenville-Weirton, West Virginia-Ohio areas, to replace onroad emissions inventories and motor vehicle emissions budgets (budgets) with inventories and budgets developed using EPA's Motor Vehicle Emissions Simulator (MOVES) emissions model. The Dayton-Springfield area consists of Clark, Greene, Miami, and Montgomery Counties. The Ohio portion of the Steubenville-Weirton, West Virginia-Ohio area consists of Jefferson County, Ohio. The Toledo area consists of Lucas and Wood Counties. The Ohio portion of the Parkersburg-Marietta, West Virginia-Ohio area consists of Washington County. Ohio submitted the SIP revision requests on the following dates: Dayton-Springfield on February 11, 2013; Steubenville-Weirton on March 15, 2013; Toledo on April 18, 2013; Parkersburg-Marietta on April 26, 2013.
Approval and Promulgation of Air Quality Implementation Plans; Ohio; Dayton-Springfield, Steubenville-Weirton, Toledo, and Parkersburg-Marietta; 1997 8-Hour Ozone Maintenance Plan Revision to Approved Motor Vehicle Emissions Budgets
Under the Clean Air Act, EPA is proposing to approve the request by Ohio to revise the 1997 8-hour ozone maintenance air quality state implementation plan (SIP) for the Dayton-Springfield and Toledo areas, and the Ohio portions of the Parkersburg-Marietta and Steubenville-Weirton, West Virginia-Ohio areas to replace onroad emissions inventories and motor vehicle emissions budgets (budgets) with inventories and budgets developed using EPA's Motor Vehicle Emissions Simulator (MOVES) emissions model. The Dayton-Springfield area consists of Clark, Greene, Miami, and Montgomery Counties. The Ohio portion of the Steubenville-Weirton, West Virginia-Ohio area consists of Jefferson County, Ohio. The Toledo area consists of Lucas and Wood Counties. The Ohio portion of the Parkersburg-Marietta, West Virginia-Ohio area consists of Washington County. Ohio submitted the SIP revision requests for the areas on the following dates: Dayton- Springfield on February 11, 2013; Steubenville-Weirton on March 15, 2013; Toledo on April 18, 2013; Parkersburg-Marietta on April 26, 2013.
Approval and Promulgation of Implementation Plans; Idaho: State Board Requirements
The EPA is taking final action to approve a revision to the Idaho State Implementation Plan (SIP) submitted by the State of Idaho on September 16, 2013, for approval into the Idaho SIP for purposes of meeting the state board requirements of the Clean Air Act (CAA). The EPA is also approving the September 16, 2013, revision as meeting the corresponding state board infrastructure requirements of the CAA for the 1997 ozone National Ambient Air Quality Standards (NAAQS). On August 1, 2013, the EPA proposed to approve the July 16, 2013, draft of this revision submitted for parallel processing. Because the final SIP revision submitted by Idaho to the EPA on September 16, 2013 is consistent with the July 16, 2013, submittal, the Idaho SIP will, upon the effective date of this final approval, contain the required provisions regarding board composition and disclosure of potential conflicts of interest. The EPA is taking final action to approve this revision because it satisfies the requirements of the Clean Air Act (CAA).
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