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40 CFR § 440.110 - Applicability; description of the platinum ore subcategory.

---
identifier: "/us/cfr/t40/s440.110"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 440.110 - Applicability; description of the platinum ore subcategory."
title_number: 40
title_name: "Protection of Environment"
section_number: "440.110"
section_name: "Applicability; description of the platinum ore subcategory."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "440"
part_name: "ORE MINING AND DRESSING POINT SOURCE CATEGORY"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Secs. 301, 304(b), (c) and (e), 306, 307, and 501 of the Clean Water Act (The Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977 and the Water Quality Act of 1987), (the Act), 33 U.S.C. 1311, 1314(b), (c) and (e), 1316, 1317, and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217; 101 Stat. 7, Pub. L. 100-4."
regulatory_source: "47 FR 54609, Dec. 3, 1982, unless otherwise noted."
cfr_part: "440"
---

# 440.110 Applicability; description of the platinum ore subcategory.

The provisions of this subpart K are applicable to discharges from (a) mines that produce platinum ore and (b) mills that process platinum ore.