StacksVerified U.S. regulatory reference

40 CFR §469.21

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The compliance date for the BAT fluoride limitation is as soon as possible as determined by the permit writer but in no event later than November 8, 1985. The compliance date for PSES for total toxic organics (TTO) is July 1, 1984 and for arsenic is November 8, 1985.