Designation of Areas for Air Quality Planning Purposes; Commonwealth of Kentucky: Correction to the Boundary of the Kentucky Portion of the Louisville Moderate Ozone Nonattainment Area

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EPA is correcting the boundaries of the Kentucky portion of the Louisville moderate ozone (O 3) nonattainment area, pursuant to Section 110(k)(6) of the Clean Air Act (the Act). The boundary of the Louisville moderate O 3 nonattainment area (nonattainment area) is being revised to include additional sources that contribute to violation of the O 3 National Ambient Air Quality Standard (NAAQS).