---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchN/part411"
level: "part"
label: "Part 411"
heading: "Cement Manufacturing Point Source Category"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchN-part411"
sections_count: 24
---

# Part 411 — Cement Manufacturing 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 — Nonleaching Subcategory](/cfr/40/chI-subchN-part411-subpartA.md)
- [Subpart B — Leaching Subcategory](/cfr/40/chI-subchN-part411-subpartB.md)
- [Subpart C — Materials Storage Piles Runoff Subcategory](/cfr/40/chI-subchN-part411-subpartC.md)