Air Plan Approval; Alabama: Prevention of Significant Deterioration Updates

The Environmental Protection Agency (EPA) is taking final action to approve portions of revisions to Alabama's State Implementation Plan (SIP), submitted by the State of Alabama, through the Alabama Department of Environmental Management (ADEM), on May 8, 2013, and August 23, 2016. The portions of these SIP revisions that EPA is finalizing approval of relate to the State's Prevention of Significant Deterioration (PSD) permitting program. This action is being taken pursuant to the Clean Air Act (CAA or Act).