The Metropolitan Charlotte Interstate Air Quality Control Region (North Carolina-South Carolina) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions (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 North Carolina: Cabarrus County, Gaston County, Iredell County, Lincoln County, Mecklenburg County, Rowan County, Stanly County, Union County.
In the State of South Carolina: Chester County, Lancaster County, Union County, York County.