---
kind: "unit"
title: "30"
title_heading: "Mineral Lands and Mining"
key: "ch22/schII"
level: "subchapter"
label: "Subchapter II"
heading: "Interim Mandatory Health Standards"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/30/ch22-schII"
sections_count: 6
---

# Subchapter II — Interim Mandatory Health Standards

Title 30 — Mineral Lands and Mining › Chapter 22 — Mine Safety and Health

## Sections

- [§841. Mandatory health standards for underground mines; enforcement; review; purpose](/usc/30/841.md)
- [§842. Dust concentration and respiratory equipment](/usc/30/842.md)
- [§843. Medical examinations](/usc/30/843.md)
- [§844. Rock dust and gas hazards; controls](/usc/30/844.md)
- [§845. Dust standards in presence of quartz](/usc/30/845.md)
- [§846. Noise standards; promulgation of new standards; tests; procedures; protective devices](/usc/30/846.md)