40 C.F.R. § 52.322
Extensions.
Cite as 40 C.F.R. § 52.322 (2026)
The Administrator, by authority delegated under section 188(d) of the Clean Air Act, as amended in 1990, extends for one year (until December 31, 1995) the attainment date for the Denver, Colorado, PM-10 nonattainment area. [60 FR 52315, Oct. 6, 1995]