The Champlain Valley Interstate Air Quality Control Region (Vermont-New York) 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 Vermont: Addison County, Chittenden County, Franklin County, Grand Isle County, Rutland County.
In the State of New York: Clinton County, Essex County, Franklin County, Hamilton County, St. Lawrence County, Warren County, Washington County.