---
kind: "unit"
title: "30"
title_heading: "Mineral Resources"
key: "chI/subchO/part70"
level: "part"
label: "Part 70"
heading: "Mandatory Health Standards—underground Coal Mines"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/30/chI-subchO-part70"
sections_count: 16
---

# Part 70 — Mandatory Health Standards—underground Coal Mines

Title 30 C.F.R. — Mineral Resources › Chapter I — Mine Safety and Health Administration, Department of Labor › Subchapter O — Coal Mine Safety and Health

## Contents

- [Subpart A — General](/cfr/30/chI-subchO-part70-subpartA.md)
- [Subpart B — Dust Standards](/cfr/30/chI-subchO-part70-subpartB.md)
- [Subpart C — Sampling Procedures](/cfr/30/chI-subchO-part70-subpartC.md)
- [Subpart D — Subpart D [Reserved]](/cfr/30/chI-subchO-part70-subpartD.md)
- [Subpart E — Dust From Drilling Rock [Reserved]](/cfr/30/chI-subchO-part70-subpartE.md)
- [Subpart F-S — Subparts F-S [Reserved]](/cfr/30/chI-subchO-part70-subpartF-S.md)
- [Subpart T — Diesel Exhaust Gas Monitoring](/cfr/30/chI-subchO-part70-subpartT.md)