StacksVerified U.S. regulatory reference

40 CFR §63.63

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The substance ethylene glycol monobutyl ether (EGBE,2-Butoxyethanol) (CAS Number 111-76-2) is deleted from the list of hazardous air pollutants established by 42 U.S.C. 7412(b)(1).