---
kind: "unit"
title: "30"
title_heading: "Mineral Resources"
key: "chI/subchO/part75"
level: "part"
label: "Part 75"
heading: "Mandatory Safety Standards—underground Coal Mines"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/30/chI-subchO-part75"
sections_count: 486
---

# Part 75 — Mandatory Safety 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-part75-subpartA.md)
- [Subpart B — Qualified and Certified Persons](/cfr/30/chI-subchO-part75-subpartB.md)
- [Subpart C — Roof Support](/cfr/30/chI-subchO-part75-subpartC.md)
- [Subpart D — Ventilation](/cfr/30/chI-subchO-part75-subpartD.md)
- [Subpart E — Combustible Materials and Rock Dusting](/cfr/30/chI-subchO-part75-subpartE.md)
- [Subpart F — Electrical Equipment—General](/cfr/30/chI-subchO-part75-subpartF.md)
- [Subpart G — Trailing Cables](/cfr/30/chI-subchO-part75-subpartG.md)
- [Subpart H — Grounding](/cfr/30/chI-subchO-part75-subpartH.md)
- [Subpart I — Underground High-Voltage Distribution](/cfr/30/chI-subchO-part75-subpartI.md)
- [Subpart J — Underground Low- and Medium-Voltage Alternating Current Circuits](/cfr/30/chI-subchO-part75-subpartJ.md)
- [Subpart K — Trolley Wires and Trolley Feeder Wires](/cfr/30/chI-subchO-part75-subpartK.md)
- [Subpart L — Fire Protection](/cfr/30/chI-subchO-part75-subpartL.md)
- [Subpart M — Maps](/cfr/30/chI-subchO-part75-subpartM.md)
- [Subpart N — Explosives and Blasting](/cfr/30/chI-subchO-part75-subpartN.md)
- [Subpart O — Hoisting and Mantrips](/cfr/30/chI-subchO-part75-subpartO.md)
- [Subpart P — Mine Emergencies](/cfr/30/chI-subchO-part75-subpartP.md)
- [Subpart Q — Communications](/cfr/30/chI-subchO-part75-subpartQ.md)
- [Subpart R — Miscellaneous](/cfr/30/chI-subchO-part75-subpartR.md)
- [Subpart S — Subpart S [Reserved]](/cfr/30/chI-subchO-part75-subpartS.md)
- [Subpart T — Diesel-Powered Equipment](/cfr/30/chI-subchO-part75-subpartT.md)