---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchN/part434"
level: "part"
label: "Part 434"
heading: "Coal Mining Point Source Category Bpt, Bat, Bct Limitations and New Source Performance Standards"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchN-part434"
sections_count: 44
---

# Part 434 — Coal Mining Point Source Category Bpt, Bat, Bct Limitations and New Source Performance Standards

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter N — Effluent Guidelines and Standards

## Contents

- [Subpart A — General Provisions](/cfr/40/chI-subchN-part434-subpartA.md)
- [Subpart B — Coal Preparation Plants and Coal Preparation Plant Associated Areas](/cfr/40/chI-subchN-part434-subpartB.md)
- [Subpart C — Acid or Ferruginous Mine Drainage](/cfr/40/chI-subchN-part434-subpartC.md)
- [Subpart D — Alkaline Mine Drainage](/cfr/40/chI-subchN-part434-subpartD.md)
- [Subpart E — Post-Mining Areas](/cfr/40/chI-subchN-part434-subpartE.md)
- [Subpart F — Miscellaneous Provisions](/cfr/40/chI-subchN-part434-subpartF.md)
- [Subpart G — Coal Remining](/cfr/40/chI-subchN-part434-subpartG.md)
- [Subpart H — Western Alkaline Coal Mining](/cfr/40/chI-subchN-part434-subpartH.md)