{"data":{"id":"us/40-cfr-63.9980","jurisdiction":"us","citation":"40 CFR 63.9980","heading":"What is the purpose of this subpart?","body":"This subpart establishes national emission limitations and work practice standards for hazardous air pollutants (HAP) emitted from coal- and oil-fired electric utility steam generating units (EGUs) as defined in § 63.10042 of this subpart. This subpart also establishes requirements to demonstrate initial and continuous compliance with the emission limitations.","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 UUUUU—National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units"],"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":"6282d2f590ee9c11fb78c5c6f5d1319857520b6bea02efdd2d731b776584996e","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-5-to-subpart-ttttt-of-part-63","next":"us/40-cfr-63.9981"},"notice":"GroundRules: Original legal text. Not legal advice."}