Designation of Areas for Air Quality Planning Purposes; Tennessee: Redesignation of the Polk County and New Johnsonville Sulfur Dioxide Nonattainment Area to Attainment

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EPA is proposing to approve requests for redesignation of the Polk County area and that portion of Benton and that portion of Humphreys Counties, Tennessee, surrounding TVA's Johnsonville plant (New Johnsonville area) from nonattainment to attainment for the sulfur dioxide (SO2) National Ambient Air Quality Standards (NAAQS), pursuant to the request submitted on January 6, 1988, July 12, 1990, December 17, 1993, and April 17, 1995, by the State of Tennessee, through the Tennessee Department of Environment and Conservation (TDEC). EPA is also proposing to approve the maintenance plans. In the final rules section of this Federal Register, the EPA is approving the State's State Implementation Plan (SIP) revision as a direct final rule without prior proposal because the EPA views this as a noncontroversial revision amendment and anticipates no adverse comments. A detailed rationale for the approval is set forth in the direct final rule. If no adverse comments are received in response to this proposed rule, no further activity is contemplated in relation to this proposed rule. If EPA receives adverse comments, the direct final rule will be withdrawn and all public comments received will