StacksVerified U.S. regulatory reference

40 CFR §63.1176

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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.