{"data":{"id":"us/40-cfr-81.42","jurisdiction":"us","citation":"40 CFR 81.42","heading":"Chattanooga Interstate Air Quality Control Region.","body":"The Chattanooga Interstate Air Quality Control Region (Georgia-Tennessee) 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):\nIn the State of Georgia: Bartow County, Catoosa County, Chattooga County, Cherokee County, Dade County, Fannin County, Floyd County, Gilmer County, Gordon County, Haralson County, Murray County, Paulding County, Pickens County, Polk County, Walker County, Whitfield County.\nIn the State of Tennessee: Hamilton County.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES","Subpart B—Designation of Air Quality Control Regions"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"83db7338173e898883a2985fd82ca433d3d03e28c92132b097721f288a857fbc","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.41","next":"us/40-cfr-81.43"},"notice":"GroundRules: Original legal text. Not legal advice."}