{"data":{"id":"us/40-cfr-63.1083","jurisdiction":"us","citation":"40 CFR 63.1083","heading":"Does this subpart apply to my heat exchange system?","body":"The provisions of this subpart apply to your heat exchange system if you own or operate an ethylene production unit expressly referenced to this subpart XX from subpart YY of this part. The provisions of subpart A (General Provisions) of this part do not apply to this subpart except as specified in subpart YY of this part.","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 XX—National Emission Standards for Ethylene Manufacturing Process Units: Heat Exchange Systems and Waste Operations"],"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":"551437f370302ad3cf91301513a63a311203f067ed6860b45a3a21c951bae2ee","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.1082","next":"us/40-cfr-63.1084"},"notice":"GroundRules: Original legal text. Not legal advice."}