(a) The requirements of sections 160 through 165 of the Clean Air Act are not met, since the plan does not include approvable procedures for preventing the significant deterioration of air quality.
(b) Regulations for preventing significant deterioration of air quality. The provisions of Sec. 52.21 except paragraph (a)(1) are hereby incorporated and made a part of the applicable State plan for the State of Illinois.
(c) All applications and other information required pursuant to Sec. 52.21 from sources located in the State of Illinois shall be submitted to the state agency, Illinois Environmental Protection Agency, 1021 North Grand Avenue East, Springfield, Illinois 62794. [45 FR 52741, Aug. 7, 1980, as amended at 46 FR 9584, Jan. 29, 1981; 68 FR 11323, Mar. 10, 2003; 68 FR 74489, Dec. 24, 2003; 75 FR 55275, Sept. 10, 2010]