Air Plan Approval; North Carolina; Inspection and Maintenance Program

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of North Carolina on November 17, 2017, through the North Carolina Department of Environmental Quality, Division of Air Quality (DAQ), for the purpose of removing 26 counties from North Carolina's expanded inspection and maintenance (I/M) program, which was previously approved into the SIP for use as a component of the State's Nitrogen Oxides (NOX) Budget and Allowance Trading Program. The EPA has determined that North Carolina's November 17, 2017, SIP revision is approvable because it is consistent with the Clean Air Act (CAA or Act) and with the EPA's regulations.