Approval and Promulgation of Implementation Plans; Tennessee; Knoxville; Fine Particulate Matter 2002 Base Year Emissions Inventory

EPA is proposing to approve the 1997 annual fine particulate matter (PM2.5) 2002 base year emissions inventory portion of the State Implementation Plan (SIP) revision submitted by the State of Tennessee on April 4, 2008. The emissions inventory is part of Tennessee's April 4, 2008, attainment demonstration SIP revision that was submitted to meet the section 172(c) Clean Air Act requirements related to the Knoxville nonattainment area for the 1997 annual PM2.5 national ambient air quality standards. The Knoxville nonattainment area is comprised of Anderson, Blount, Knox and Loudon Counties in their entireties and a portion of Roane County that includes the Tennessee Valley Authority's Kingston Fossil Plant. This action is being taken pursuant to section 110 of the Clean Air Act.

Agency Contact: Richard Wong, Regulatory Development Section, Air Planning Branch, Air, Pesticides and Toxics Management Division, U.S. Environmental Protection Agency, Region 4, 61 Forsyth Street SW., Atlanta, Georgia 30303-8960. The telephone number is (404) 562-8726. Mr. Wong can also be reached via electronic mail at wong.richard@epa.gov.