---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchN/part461"
level: "part"
label: "Part 461"
heading: "Battery Manufacturing Point Source Category"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchN-part461"
sections_count: 42
---

# Part 461 — Battery Manufacturing Point Source Category

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

## Sections

- [§461.1. Applicability.](/cfr/40/461.1.md)
- [§461.2. General definitions.](/cfr/40/461.2.md)
- [§461.3. Monitoring and reporting requirements.](/cfr/40/461.3.md)
- [§461.4. Compliance date for PSES.](/cfr/40/461.4.md)

## Contents

- [Subpart A — Cadmium Subcategory](/cfr/40/chI-subchN-part461-subpartA.md)
- [Subpart B — Calcium Subcategory](/cfr/40/chI-subchN-part461-subpartB.md)
- [Subpart C — Lead Subcategory](/cfr/40/chI-subchN-part461-subpartC.md)
- [Subpart D — Leclanche Subcategory](/cfr/40/chI-subchN-part461-subpartD.md)
- [Subpart E — Lithium Subcategory](/cfr/40/chI-subchN-part461-subpartE.md)
- [Subpart F — Magnesium Subcategory](/cfr/40/chI-subchN-part461-subpartF.md)
- [Subpart G — Zinc Subcategory](/cfr/40/chI-subchN-part461-subpartG.md)