---
kind: "unit"
title: "30"
title_heading: "Mineral Resources"
key: "chI/subchO"
level: "subchap"
label: "Subchapter O"
heading: "Coal Mine Safety and Health"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/30/chI-subchO"
sections_count: 858
---

# Subchapter O — Coal Mine Safety and Health

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

## Contents

- [Part 70 — Mandatory Health Standards—underground Coal Mines](/cfr/30/chI-subchO-part70.md)
- [Part 71 — Mandatory Health Standards—surface Coal Mines and Surface Work Areas of Underground Coal Mines](/cfr/30/chI-subchO-part71.md)
- [Part 72 — Health Standards for Coal Mines](/cfr/30/chI-subchO-part72.md)
- [Part 74 — Coal Mine Dust Sampling Devices](/cfr/30/chI-subchO-part74.md)
- [Part 75 — Mandatory Safety Standards—underground Coal Mines](/cfr/30/chI-subchO-part75.md)
- [Part 77 — Mandatory Safety Standards, Surface Coal Mines and Surface Work Areas of Underground Coal Mines](/cfr/30/chI-subchO-part77.md)
- [Part 90 — Mandatory Health Standards—coal Miners Who Have Evidence of the Development of Pneumoconiosis](/cfr/30/chI-subchO-part90.md)