The Appalachian Intrastate Air Quality Control Region (Kentucky) 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 Kentucky: Bell County, Breathitt County, Clay County, Floyd County, Harlan County, Jackson County, Johnson County, Knott County, Knox County, Laurel County, Lee County, Leslie County, Letcher County, Magoffin County, Martin County, Owsley County, Perry County, Pike County, Rockcastle County, Whitley County, Wolfe County,