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§ 81.57 Eastern Tennessee-Southwestern Virginia Interstate Air Quality Control Region.
The Bristol (Virginia)-Johnson City (Tennessee) Interstate Air Quality Control Region has been renamed the Eastern Tennessee-Southwestern Virginia Interstate Air Quality Control Region and 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):