{"data":{"id":"us/40-cfr-63.1175","jurisdiction":"us","citation":"40 CFR 63.1175","heading":"What is the purpose of this subpart?","body":"This subpart establishes national emission standards for hazardous air pollutants emitted from existing, new, and reconstructed cupolas and curing ovens at facilities that produce mineral wool.","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":"7e999e004521d3df94490a6fa12d9e5ab0cbbae2eeae83aa948abccdf9441e2f","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-1-to-subpart-ccc-of-part-63","next":"us/40-cfr-63.1176"},"notice":"GroundRules: Original legal text. Not legal advice."}