---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchC/part70"
level: "part"
label: "Part 70"
heading: "State Operating Permit Programs"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchC-part70"
sections_count: 14
---

# Part 70 — State Operating Permit Programs

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

## Sections

- [§70.1. Program overview.](/cfr/40/70.1.md)
- [§70.2. Definitions.](/cfr/40/70.2.md)
- [§70.3. Applicability.](/cfr/40/70.3.md)
- [§70.4. State program submittals and transition.](/cfr/40/70.4.md)
- [§70.5. Permit applications.](/cfr/40/70.5.md)
- [§70.6. Permit content.](/cfr/40/70.6.md)
- [§70.7. Permit issuance, renewal, reopenings, and revisions.](/cfr/40/70.7.md)
- [§70.8. Permit review by EPA and affected States.](/cfr/40/70.8.md)
- [§70.9. Fee determination and certification.](/cfr/40/70.9.md)
- [§70.10. Federal oversight and sanctions.](/cfr/40/70.10.md)
- [§70.11. Requirements for enforcement authority.](/cfr/40/70.11.md)
- [§70.12. Public petition requirements.](/cfr/40/70.12.md)
- [§70.13. Documents that may be considered in reviewing petitions.](/cfr/40/70.13.md)
- [§70.14. Submission of petitions.](/cfr/40/70.14.md)