(a) The following portions of the Arizona SIP are disapproved because they do not meet the requirements of Part D of the Clean Air Act.
(1) The attainment demonstration, conformity and contingency portions of the 1987 Maricopa Association of Governments Carbon Monoxide Plan and 1988 Addendum.
(2) [Reserved]
(b)-(c) [Reserved] [56 FR 5478, Feb. 11, 1991, as amended at 62 FR 41864, Aug. 4, 1997; 63 FR 41350, Aug. 3, 1998; 65 FR 36358, June 8, 2000; 67 FR 48739, July 25, 2002]