81.261—Southeast Iowa Intrastate Air Quality Control Region.
The Southeast 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: Cedar County, Davis County, Henry County, Iowa County, Jefferson County, Johnson County, Keokuk County, Van Buren County, Wapello County, Washington County.