40 CFR § 436.231 - Specialized definitions.

---
identifier: "/us/cfr/t40/s436.231"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 436.231 - Specialized definitions."
title_number: 40
title_name: "Protection of Environment"
section_number: "436.231"
section_name: "Specialized definitions."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "436"
part_name: "MINERAL MINING AND PROCESSING POINT SOURCE CATEGORY"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Secs. 301, 304 (b) and (c), Federal Water Pollution Control Act, as amended (33 U.S.C. 1251, 1311, 1314 (b) and (c), 86 Stat. 816  Pub. L. 92-500) (the Act)."
regulatory_source: "40 FR 48657, Oct. 16, 1975, unless otherwise noted."
cfr_part: "436"
---


# 436.231 Specialized definitions.

For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart.