{"data":{"id":"us/40-cfr-63.1080","jurisdiction":"us","citation":"40 CFR 63.1080","heading":"What is the purpose of this subpart?","body":"This subpart establishes requirements for controlling emissions of hazardous air pollutants (HAP) from heat exchange systems and waste streams at new and existing ethylene production units.","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":"dffbc1b45f4bebc86ab9800e0611c8ff5af46d4c37c5592cdea988c8887e2009","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.1067","next":"us/40-cfr-63.1081"},"notice":"GroundRules: Original legal text. Not legal advice."}