The Environmental Protection Agency (EPA) is taking final action to approve changes to the Alabama State Implementation Plan (SIP) to revise the definition of "volatile organic compounds" (VOCs), correct a typographical error, and remove control of particulate emissions and opacity limits for Talladega County. EPA is approving the SIP revisions submitted by the State of Alabama, through the Alabama Department of Environmental Management (ADEM), on May 19, 2017. This action is being taken pursuant to the Clean Air Act (CAA or Act).