40 C.F.R. § 81.114
The Augusta (Georgia)-Aiken (South Carolina) Interstate Air Quality Control Region 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 Georgia: Burke County, Columbia County, Emanuel County, Glascock County, Jefferson County, Jenkins County, Lincoln County, McDuffle County, Richmond County, Screven County, Taliaferro County, Warren County, Wilkes County.
In the State of South Carolina: Aiken County, Allendale County, Bamberg County, Barnwell County, Calhoun County, Orangeburg County.
40 C.F.R. §81.114
For identification purposes, the Columbus (Georgia)-Phenix City (Alabama) Interstate Air Quality Control Region is referred to by Alabama authorities as the Alabama State Capital-Columbus (Georgia) Interstate Air Quality Control Region.