---
kind: "unit"
title: "42"
title_heading: "The Public Health and Welfare"
key: "ch97/schI"
level: "subchapter"
label: "Subchapter I"
heading: "Acid Precipitation"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/ch97-schI"
sections_count: 6
---

# Subchapter I — Acid Precipitation

Title 42 — The Public Health and Welfare › Chapter 97 — Acid Precipitation Program and Carbon Dioxide Study

## Sections

- [§8901. Introductory provisions](/usc/42/8901.md)
- [§8902. Comprehensive ten-year program](/usc/42/8902.md)
- [§8903. Comprehensive research plan](/usc/42/8903.md)
- [§8904. Implementation of comprehensive plan; new or existing regulatory authorities, etc., not granted or modified](/usc/42/8904.md)
- [§8905. Authorization of appropriations](/usc/42/8905.md)
- [§8906. Updated data base on acid content in precipitation; new monitoring site not required](/usc/42/8906.md)