{"data":{"id":"us/40-cfr-81.40","jurisdiction":"us","citation":"40 CFR 81.40","heading":"Metropolitan San Antonio Intrastate Air Quality Control Region.","body":"The Metropolitan San Antonio Intrastate Air Quality Control Region (Texas) 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 Texas: Atascosa County, Bandera County, Bexar County, Comal County, Dimmit County, Edwards County, Frio County, Gillespie County, Guadalupe County, Karnes County, Kendall County, Kerr County, Kinney County, La Salle County, Maverick County, Medina County, Real County, Uvalde County, Val Verde County, Wilson County, Zavala 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":"96b25bdc670645d81a00c02cbc306591405d09cb8b0d4f4637228b4ad68452a8","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.39","next":"us/40-cfr-81.41"},"notice":"GroundRules: Original legal text. Not legal advice."}