---
kind: "unit"
title: "30"
title_heading: "Mineral Resources"
key: "chI/subchB/part22"
level: "part"
label: "Part 22"
heading: "Portable Methane Detectors"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/30/chI-subchB-part22"
sections_count: 12
---

# Part 22 — Portable Methane Detectors

Title 30 C.F.R. — Mineral Resources › Chapter I — Mine Safety and Health Administration, Department of Labor › Subchapter B — Testing, Evaluation, and Approval of Mining Products

## Sections

- [§22.0. Compliance with the requirements necessary for obtaining approval.](/cfr/30/22.0.md)
- [§22.1. Purpose.](/cfr/30/22.1.md)
- [§22.2. Definitions.](/cfr/30/22.2.md)
- [§22.3. Reserved](/cfr/30/22.3.md)
- [§22.4. Application procedures and requirements.](/cfr/30/22.4.md)
- [§22.5. Conditions governing investigations.](/cfr/30/22.5.md)
- [§22.6. General requirements.](/cfr/30/22.6.md)
- [§22.7. Specific requirements.](/cfr/30/22.7.md)
- [§22.8. Material required for MSHA records.](/cfr/30/22.8.md)
- [§22.9. How approvals are granted.](/cfr/30/22.9.md)
- [§22.10. Approval plate.](/cfr/30/22.10.md)
- [§22.11. Instructions on handling future changes in design.](/cfr/30/22.11.md)