---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchN/part471"
level: "part"
label: "Part 471"
heading: "Nonferrous Metals Forming and Metal Powders Point Source Category"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchN-part471"
sections_count: 73
---

# Part 471 — Nonferrous Metals Forming and Metal Powders Point Source Category

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

## Sections

- [§471.01. Applicability.](/cfr/40/471.01.md)
- [§471.02. General definitions.](/cfr/40/471.02.md)
- [§471.03. Compliance date for PSES.](/cfr/40/471.03.md)

## Contents

- [Subpart A — Lead-Tin-Bismuth Forming Subcategory](/cfr/40/chI-subchN-part471-subpartA.md)
- [Subpart B — Magnesium Forming Subcategory](/cfr/40/chI-subchN-part471-subpartB.md)
- [Subpart C — Nickel-Cobalt Forming Subcategory](/cfr/40/chI-subchN-part471-subpartC.md)
- [Subpart D — Precious Metals Forming Subcategory](/cfr/40/chI-subchN-part471-subpartD.md)
- [Subpart E — Refractory Metals Forming Subcategory](/cfr/40/chI-subchN-part471-subpartE.md)
- [Subpart F — Titanium Forming Subcategory](/cfr/40/chI-subchN-part471-subpartF.md)
- [Subpart G — Uranium Forming Subcategory](/cfr/40/chI-subchN-part471-subpartG.md)
- [Subpart H — Zinc Forming Subcategory](/cfr/40/chI-subchN-part471-subpartH.md)
- [Subpart I — Zirconium-Hafnium Forming Subcategory](/cfr/40/chI-subchN-part471-subpartI.md)
- [Subpart J — Metals Powders Subcategory](/cfr/40/chI-subchN-part471-subpartJ.md)