The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision provided by the State of Georgia, through the Georgia Environmental Protection Division (GA EPD) of the Department of Natural Resources, via a letter dated July 2, 2018. Specifically, EPA is approving changes to Georgia's Nonattainment New Source Review (NNSR) permitting rules. This action is being finalized pursuant to the Clean Air Act (CAA or Act) and its implementing regulations.