---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchN/part464"
level: "part"
label: "Part 464"
heading: "Metal Molding and Casting Point Source Category"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchN-part464"
sections_count: 36
---

# Part 464 — Metal Molding and Casting Point Source Category

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

## Sections

- [§464.01. Applicability.](/cfr/40/464.01.md)
- [§464.02. General definitions.](/cfr/40/464.02.md)
- [§464.03. Monitoring and reporting requirements.](/cfr/40/464.03.md)
- [§464.04. Compliance date for PSES.](/cfr/40/464.04.md)

## Contents

- [Subpart A — Aluminum Casting Subcategory](/cfr/40/chI-subchN-part464-subpartA.md)
- [Subpart B — Copper Casting Subcategory](/cfr/40/chI-subchN-part464-subpartB.md)
- [Subpart C — Ferrous Casting Subcategory](/cfr/40/chI-subchN-part464-subpartC.md)
- [Subpart D — Zinc Casting Subcategory](/cfr/40/chI-subchN-part464-subpartD.md)