---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchI/part281"
level: "part"
label: "Part 281"
heading: "Approval of State Underground Storage Tank Programs"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchI-part281"
sections_count: 26
---

# Part 281 — Approval of State Underground Storage Tank Programs

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

## Contents

- [Subpart A — Purpose, General Requirements and Scope](/cfr/40/chI-subchI-part281-subpartA.md)
- [Subpart B — Components of a Program Application](/cfr/40/chI-subchI-part281-subpartB.md)
- [Subpart C — Criteria for No Less Stringent](/cfr/40/chI-subchI-part281-subpartC.md)
- [Subpart D — Adequate Enforcement of Compliance](/cfr/40/chI-subchI-part281-subpartD.md)
- [Subpart E — Approval Procedures](/cfr/40/chI-subchI-part281-subpartE.md)
- [Subpart F — Withdrawal of Approval of State Programs](/cfr/40/chI-subchI-part281-subpartF.md)