StacksVerified U.S. regulatory reference

40 CFR §425.20

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
The provisions of this subpart are applicable to process wastewater discharges resulting from any tannery which processes raw or cured cattle or cattle-like hides into finished leather by hair save unhairing, chrome tanning, and retan-wet finishing.