Réglementation et droit · 28/08/20171 min de lecture
Air Plan Approval and Air Quality Designation; TN; Redesignation of the Knoxville 2006 24-hour PM2.5 Nonattainment Area to Attainment
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Résumé
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 2.5 ) nonattainment area (hereinafter referred to as the "Knoxville Area" or "Area") to attainment for the 2006 24-hour PM 2.5 national ambient air quality standards (NAAQS) and to approve a state implementation plan (SIP) revision containing a maintenance plan and a reasonably available control measures (RACM) determination for the Area. EPA is approving Tennessee's RACM determination for the Knoxville Area and incorporating it into the SIP; approving Tennessee's plan for maintaining the 2006 24-hour PM 2.5 NAAQS for the Knoxville Area (maintenance plan), including the associated motor vehicle emission budgets (MVEBs) for nitrogen oxides (NO X ) and direct PM 2.5 for the years 2014 and 2028, and incorporating it into the SIP; and redesignating the Knoxville Area to attainment for the 2006 24-hour PM 2.5 NAAQS.