40 CFR § 81.259 - Southwest Iowa Intrastate Air Quality Control Region.

§ 81.259 Southwest Iowa Intrastate Air Quality Control Region.

The Southwest Iowa Intrastate Air Quality Control Region 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 Iowa: Adair County, Adams County, Audubon County, Carroll County, Cass County, Crawford County, Fremont County, Greene County, Guthrie County, Harrison County, Mills County, Monona County, Montgomery County, Page County, Ringgold County, Shelby County, Taylor County, Union County.