With the exceptions set forth in this subpart, the Administrator approves Alabama's plan for the attainment and maintenance of the national standards under section 110 of the Clean Air Act. Furthermore, the Administrator finds that the plan satisfies all requirements of part D, title 1, of the Clean Air Act as amended in 1977.

[79 FR 30050, May 27, 2014, as amended at 80 FR 17691, Apr. 2, 2015; 80 FR 61112, Oct. 9, 2015; 81 FR 83144, Nov. 21, 2016; 82 FR 3639, Jan. 12, 2017; 82 FR 9515, Feb. 7, 2017; 82 FR 47396, Oct. 12, 2017; 83 FR 31458, July 6, 2018]