U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 63.1176 - Where can I find definitions of key words used in this subpart?

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.