40 CFR 81.174 - Pawnee Intrastate Air Quality Control Region.

Regulations last checked for updates: Mar 13, 2025

Title 40 - Protection of Environment last revised: Nov 13, 2025

View all text of Subpart B [§ 81.11 - § 81.276]

§ 81.174 - Pawnee Intrastate Air Quality Control Region.

The Pawnee Intrastate Air Quality Control Region (Colorado) consists of the territorial area encompassed by the boundaries of the following jurisdictions or described area (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Colorado: Larimer County, Logan County, Morgan County, Phillips County, Sedgwick County, Washington County, Weld County, Yuma County.

authority: 42 U.S.C. 7401,

source: 36 FR 22421, Nov. 25, 1971, unless otherwise noted.

cite as: 40 CFR 81.174