On March 19, 1997, the State of North Carolina, through the North Carolina Department of Environment and Natural Resources (NCDENR) submitted revisions to the North Carolina State Implementation Plan (SIP). Rules 15A NCAC 2D .0530 and 2Q .0104 and .0107 are revised to amend cross-references and incorporate the latest edition of the Code of Federal Regulations for Prevention of Significant Deterioration (PSD). Rules 15A NCAC 2D .0518, .0902, .0909, and .0954 are revised to change the mechanism and procedures for activating the Reasonably Available Control Technology (RACT) rules for volatile organic compounds (VOCs) and nitrogen oxides (NOx) in the Raleigh/Durham and Greensboro/Winston-Salem/High Point ozone maintenance areas. Rules 15A NCAC 2D .0907, .0910, and .0911 are being repealed to remove unnecessary or elapsed compliance schedules.