40 CFR § 434.40 - Applicability; description of the alkaline mine drainage subcategory.

---
identifier: "/us/cfr/t40/s434.40"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 434.40 - Applicability; description of the alkaline mine drainage subcategory."
title_number: 40
title_name: "Protection of Environment"
section_number: "434.40"
section_name: "Applicability; description of the alkaline mine drainage subcategory."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "434"
part_name: "COAL MINING POINT SOURCE CATEGORY BPT, BAT, BCT LIMITATIONS AND NEW SOURCE PERFORMANCE STANDARDS"
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), and 1361."
regulatory_source: "50 FR 41305, Oct. 9, 1985, unless otherwise noted."
cfr_part: "434"
---


# 434.40 Applicability; description of the alkaline mine drainage subcategory.

The provisions of this subpart are applicable to alkaline mine drainage from an active mining area resulting from the mining of coal of any rank including, but not limited to, bituminous, lignite, and anthracite.