52.1778—Significant deterioration of air quality.
(c)
All applications and other information required pursuant to § 52.21 of this part from sources located or to be located in the State of North Carolina shall be submitted to the State agency, North Carolina Department of Environment and Natural Resources, Division of Air Quality, 1641 Mail Service Center, Raleigh, North Carolina 27699-1641 or local agencies, Attention: Air Quality Section or Forsyth County Environmental Affairs, 537 North Spruce Street, Winston-Salem, North Carolina 27101; Mecklenburg County Air Quality, 700 N. Tryon St., Suite 205, Charlotte, North Carolina 28202-2236; Western North Carolina Regional Air Quality Agency, 49 Mount Carmel Road, Asheville, North Carolina 28806, rather than to EPA's Region 4 office.