40 CFR § 425.50 - Applicability; description of the no beamhouse subcategory.

---
identifier: "/us/cfr/t40/s425.50"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 425.50 - Applicability; description of the no beamhouse subcategory."
title_number: 40
title_name: "Protection of Environment"
section_number: "425.50"
section_name: "Applicability; description of the no beamhouse subcategory."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "425"
part_name: "LEATHER TANNING AND FINISHING POINT SOURCE CATEGORY"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1311, 1314 (b), (c), (e) and (g), 1316 (b) and (c), 1317 (b) and (c), 1318 and 1361."
regulatory_source: "47 FR 52870, Nov. 23, 1982, unless otherwise noted."
cfr_part: "425"
---


# 425.50 Applicability; description of the no beamhouse subcategory.

The provisions of this subpart are applicable to process wastewater discharges resulting from any tannery which processes cattle hides, sheepskins, or splits (hair previously removed and pickled) into finished leather by chrome or non-chrome tanning, and retan-wet finishing.