The Metropolitan Birmingham Intrastate Air Quality Control Region (Alabama) has been revised to consist 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 Alabama: Bibb County, Blount County, Chilton County, Fayette County, Greene County, Hale County, Jefferson County, Lamar County, Pickens County, St. Clair County, Shelby County, Sumter County, Tuscaloosa County, Walker County.