---
kind: "unit"
title: "30"
title_heading: "Mineral Resources"
key: "chI/subchO/part74"
level: "part"
label: "Part 74"
heading: "Coal Mine Dust Sampling Devices"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/30/chI-subchO-part74"
sections_count: 18
---

# Part 74 — Coal Mine Dust Sampling Devices

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-part74-subpartA.md)
- [Subpart B — Approval Requirements for Coal Mine Dust Personal Sampler Unit](/cfr/30/chI-subchO-part74-subpartB.md)
- [Subpart C — Requirements for Continuous Personal Dust Monitors](/cfr/30/chI-subchO-part74-subpartC.md)
- [Subpart D — General Requirements for All Devices](/cfr/30/chI-subchO-part74-subpartD.md)