2017-10914: Air Plan Approval and Air Quality Designation; TN; Redesignation of the Knoxville 1997 Annual PM2.5 Nonattainment Area to Attainment
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On December 20, 2016, Tennessee, through the Tennessee Department of Environment and Conservation (TDEC), submitted a request for the Environmental Protection Agency (EPA) to redesignate the Knoxville-Sevierville-La Follette, TN fine particulate matter (PM<INF>2.5</INF>) nonattainment area (hereinafter referred to as the "Knoxville Area" or "Area") to attainment for the 1997 Annual PM<INF>2.5</INF> national ambient air quality standards (NAAQS) and to approve a state implementation plan (SIP) revision containing a maintenance plan, a reasonably available control measures (RACM) determination, and source-specific requirements for the Area. EPA is proposing to approve Tennessee's RACM determination for the Knoxville Area and incorporate it into the SIP; to incorporate source-specific requirements for two sources in the Area into the SIP; determine that the Knoxville Area is attaining the 1997 Annual PM<INF>2.5</INF> NAAQS based on 2013-2015 data; approve Tennessee's plan for maintaining the 1997 Annual PM<INF>2.5</INF> NAAQS for the Knoxville Area (maintenance plan), including the associated motor vehicle emission budgets (MVEBs) for nitrogen oxides (NO<INF>X</INF>) and PM<INF>2.5</INF> for the years 2014 and 2028, and incorporate it into the SIP; and to redesignate the Knoxville Area to attainment for the 1997 Annual PM<INF>2.5</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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