---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchA/part1"
level: "part"
label: "Part 1"
heading: "Statement of Organization and General Information"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchA-part1"
sections_count: 20
---

# Part 1 — Statement of Organization and General Information

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter A — General

## Contents

- [Subpart A — Introduction](/cfr/40/chI-subchA-part1-subpartA.md)
- [Subpart B — Headquarters](/cfr/40/chI-subchA-part1-subpartB.md)
- [Subpart C — Field Installations](/cfr/40/chI-subchA-part1-subpartC.md)