{"data":{"id":"us/40-cfr-63.1176","jurisdiction":"us","citation":"40 CFR 63.1176","heading":"Where can I find definitions of key words used in this subpart?","body":"The definitions of key words used in this subpart are in the Clean Air Act (Act), in § 63.2 of the general provisions in subpart A of this part, and in § 63.1196 of this subpart.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES","Subpart DDD—National Emission Standards for Hazardous Air Pollutants for Mineral Wool Production"],"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":"5a6f62051ef1b854c22883df43f647b413a08fa646ed1e37169efa26d9940d1f","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.1175","next":"us/40-cfr-63.1177"},"notice":"GroundRules: Original legal text. Not legal advice."}