US law Federal (United States) Regulations Title 40 CFR — Protection of Environment Chapter I — ENVIRONMENTAL PROTECTION AGENCY 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 63.1176 40 C.F.R. § 63.1176
Where can I find definitions of key words used in this subpart? Last amended: 2016 Year: 2026 Length: 36 words Official source Cite as 40 C.F.R. § 63.1176 (2026)
The definitions of key words used in this subpart are in the Clean Air Act (Act), in § 63.2 of the general provisions in subpart A of this part, and in § 63.1196 of this subpart.
Cross-references to the CFR 63.1196 63.2 40 C.F.R. § 63.1175 Next 40 C.F.R. § 63.1177