Regulations last checked for updates: Feb 16, 2025

Title 40 - Protection of Environment last revised: Nov 16, 2025
§ 425.40 - Applicability; description of the retan-wet finish-sides subcategory.

The provisions of this subpart are applicable to process wastewater discharges resulting from any tannery which processes previously tanned hides and skins (grain side only) into finished leather by retan-wet finishing.

authority: 33 U.S.C. 1311,1314,c,e, 1316 (b) andc, 1317 (b) andc,1318
source: 47 FR 52870, Nov. 23, 1982, unless otherwise noted.
cite as: 40 CFR 425.40