Air Plan Approval; South Carolina; Transportation Conformity Update

The Environmental Protection Agency (EPA) is taking direct final action to approve a revision to the South Carolina State Implementation Plan (SIP) submitted on October 13, 2015, through the South Carolina Department of Health and Environmental Control (SC DHEC). This revision consists of transportation conformity criteria and procedures related to interagency consultation and enforceability of certain transportation-related control measures and mitigation measures. The intended effect of this approval is to update the transportation conformity criteria and procedures in the South Carolina SIP to reorganize previous exhibits into a single Memorandum of Agreement (MOA) document as well as updating signatories to add the newly established Lowcountry Area Transportation Study (LATS) to the list of Metropolitan Planning Organizations (MPOs), created to represent a new urbanized area designated as a result of the 2010 Census. EPA has determined that this revision is consistent with the Clean Air Act (CAA or Act).