2019-19413: Air Plan Approval and Designation of Areas; FL; Source-Specific SO2 Permit Limits & Redesignation of Hillsborough-Polk 2010 1-Hr SO2 Nonattainment Area to Attainment & Mulberry Unclassifiable Area to Attainment/Unclassifiable
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The Environmental Protection Agency (EPA) is proposing to approve state implementation plan (SIP) revisions and two redesignation requests provided by the State of Florida, through the Florida Department of Environmental Protection (FDEP), related to the 2010 1- hour sulfur dioxide (SO<INF>2</INF>) national ambient air quality standard (NAAQS or standard). Specifically, EPA is proposing to approve a December 1, 2017, SIP revision (as supplemented through a February 15, 2019 draft SIP revision discussed below) that includes SO<INF>2</INF> multi-unit permit limits and associated compliance and monitoring parameters for Mosaic Fertilizer LLC's New Wales facility (Mosaic New Wales) and Bartow facility (Mosaic Bartow), both located in Polk County, Florida. The December 1, 2017, SIP revision also includes a modeling analysis to demonstrate that the Hillsborough-Polk SO<INF>2</INF> nonattainment area (hereinafter referred to as the "Hillsborough-Polk Area") attains the SO<INF>2</INF> NAAQS with these permit limits. EPA is also proposing to approve, through parallel processing, a draft February 15, 2019, request to redesignate the Hillsborough-Polk Area to attainment for the 1-hour SO<INF>2</INF> NAAQS and associated SIP revision containing the State's plan for maintaining attainment of the standard in the Area. As mentioned above, a draft February 15, 2019, SIP revision also revises the modeling analysis in the 2017 SIP revision. Additionally, the draft February 15, 2019, SIP revisions contain a base-year emissions inventory for the Area and certify that the Area meets nonattainment new source review (NNSR) requirements. EPA is proposing to approve the draft February 15, 2019, SIP revisions through parallel processing. In addition, EPA is proposing to approve, through parallel processing, a draft February 15, 2019, request to redesignate the Mulberry Unclassifiable Area (hereinafter referred to as the "Mulberry Area") to attainment/ unclassifiable for the 2010 1-hour SO<INF>2</INF> NAAQS.
The agency’s own summary, as published.
What this changes
Amends 2 parts of the Code of Federal Regulations — the standing rules this notice rewrites.
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