40 C.F.R. § 425.20
Applicability; description of the hair save, chrome tan, retan-wet finish subcategory.
Cite as 40 C.F.R. § 425.20 (2026)
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.