---
kind: "unit"
title: "42"
title_heading: "The Public Health and Welfare"
key: "ch85/schV"
level: "subchapter"
label: "Subchapter V"
heading: "Permits"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/ch85-schV"
sections_count: 7
---

# Subchapter V — Permits

Title 42 — The Public Health and Welfare › Chapter 85 — Air Pollution Prevention and Control

## Sections

- [§7661. Definitions](/usc/42/7661.md)
- [§7661a. Permit programs](/usc/42/7661a.md)
- [§7661b. Permit applications](/usc/42/7661b.md)
- [§7661c. Permit requirements and conditions](/usc/42/7661c.md)
- [§7661d. Notification to Administrator and contiguous States](/usc/42/7661d.md)
- [§7661e. Other authorities](/usc/42/7661e.md)
- [§7661f. Small business stationary source technical and environmental compliance assistance program](/usc/42/7661f.md)