Air Plan Approval; Kentucky; Nonattainment New Source Review Requirements for the 2008 8-Hour Ozone NAAQS

The Environmental Protection Agency (EPA) is approving the portion of the State Implementation Plan (SIP) revision submitted by the Commonwealth of Kentucky, through the Energy and Environment Cabinet's Division of Air Quality on August 26, 2016, regarding the nonattainment new source review (NNSR) requirements for the 2008 8-hour ozone national ambient air quality standards (NAAQS) for the Kentucky portion of the Cincinnati-Hamilton, Ohio-Kentucky-Indiana 2008 8-hour ozone nonattainment area (hereinafter referred to as the ``Cincinnati- Hamilton, OH-KY-IN Area'' or ``Area''). The Area consists of Butler, Clermont, Clinton, Hamilton, and Warren Counties in Ohio; portions of Boone, Campbell, Kenton Counties in Kentucky; and a portion of Dearborn County in Indiana. This action is being taken pursuant to the Clean Air Act (CAA or Act) and its implementing regulations.