---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchC/part68"
level: "part"
label: "Part 68"
heading: "Chemical Accident Prevention Provisions"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchC-part68"
sections_count: 63
---

# Part 68 — Chemical Accident Prevention Provisions

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

## Contents

- [Subpart A — General](/cfr/40/chI-subchC-part68-subpartA.md)
- [Subpart B — Hazard Assessment](/cfr/40/chI-subchC-part68-subpartB.md)
- [Subpart C — Program 2 Prevention Program](/cfr/40/chI-subchC-part68-subpartC.md)
- [Subpart D — Program 3 Prevention Program](/cfr/40/chI-subchC-part68-subpartD.md)
- [Subpart E — Emergency Response](/cfr/40/chI-subchC-part68-subpartE.md)
- [Subpart F — Regulated Substances for Accidental Release Prevention](/cfr/40/chI-subchC-part68-subpartF.md)
- [Subpart G — Risk Management Plan](/cfr/40/chI-subchC-part68-subpartG.md)
- [Subpart H — Other Requirements](/cfr/40/chI-subchC-part68-subpartH.md)