---
kind: "unit"
title: "42"
title_heading: "The Public Health and Welfare"
key: "ch85/schI/ptD/spt3"
level: "subpart"
label: "Subpart 3"
heading: "additional provisions for carbon monoxide nonattainment areas"
release: "119-102"
url: "https://uscodex.org/usc/42/ch85-schI-ptD-spt3"
sections_count: 2
---

# Subpart 3 — additional provisions for carbon monoxide nonattainment areas

Title 42 — The Public Health and Welfare › Chapter 85 — Air Pollution Prevention and Control › Subchapter I — Programs and Activities › Part D — Plan Requirements for Nonattainment Areas

## Sections

- [§7512. Classification and attainment dates](/usc/42/7512.md)
- [§7512a. Plan submissions and requirements](/usc/42/7512a.md)