---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchN/part440"
level: "part"
label: "Part 440"
heading: "Ore Mining and Dressing Point Source Category"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchN-part440"
sections_count: 76
---

# Part 440 — Ore Mining and Dressing Point Source Category

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

## Contents

- [Subpart A — Iron Ore Subcategory](/cfr/40/chI-subchN-part440-subpartA.md)
- [Subpart B — Aluminum Ore Subcategory](/cfr/40/chI-subchN-part440-subpartB.md)
- [Subpart C — Uranium, Radium and Vanadium Ores Subcategory](/cfr/40/chI-subchN-part440-subpartC.md)
- [Subpart D — Mercury Ore Subcategory](/cfr/40/chI-subchN-part440-subpartD.md)
- [Subpart E — Titanium Ore Subcategory](/cfr/40/chI-subchN-part440-subpartE.md)
- [Subpart F — Tungsten Ore Subcategory](/cfr/40/chI-subchN-part440-subpartF.md)
- [Subpart G — Nickel Ore Subcategory](/cfr/40/chI-subchN-part440-subpartG.md)
- [Subpart H — Vanadium Ore Subcategory (Mined Alone and Not as a Byproduct)](/cfr/40/chI-subchN-part440-subpartH.md)
- [Subpart I — Antimony Ore Subcategory](/cfr/40/chI-subchN-part440-subpartI.md)
- [Subpart J — Copper, Lead, Zinc, Gold, Silver, and Molybdenum Ores Subcategory](/cfr/40/chI-subchN-part440-subpartJ.md)
- [Subpart K — Platinum Ores Subcategory](/cfr/40/chI-subchN-part440-subpartK.md)
- [Subpart L — General Provisions and Definitions](/cfr/40/chI-subchN-part440-subpartL.md)
- [Subpart M — Gold Placer Mine Subcategory](/cfr/40/chI-subchN-part440-subpartM.md)