{"data":{"id":"us/40-cfr-63.9981","jurisdiction":"us","citation":"40 CFR 63.9981","heading":"Am I subject to this subpart?","body":"You are subject to this subpart if you own or operate a coal-fired EGU or an oil-fired EGU as defined in § 63.10042 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 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":"7b6cd29645e77c65104e97e0822de8bcc078c39d18b6c289a884828d9f5456a1","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.9980","next":"us/40-cfr-63.9982"},"notice":"GroundRules: Original legal text. Not legal advice."}