40 CFR § 52.2528
Significant deterioration of air quality
June 9, 2020
(a) The requirements of Sections 160 through 165 of the Clean Air Act are met since the plan includes approvable procedures for the Prevention of Significant Air Quality Deterioration.
(b) [Reserved]
[51 FR 12518, Apr. 11, 1986, as amended at 78 FR 33985, June 6, 2013]