U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 29, 2025

All TitlesTitle 30Chapter IPart 22 - PART 22—PORTABLE METHANE DETECTORS
§ 22.0 - Compliance with the requirements necessary for obtaining approval.
§ 22.1 - Purpose.
§ 22.2 - Definitions.
§ 22.3 - [Reserved]
§ 22.4 - Application procedures and requirements.
§ 22.5 - Conditions governing investigations.
§ 22.6 - General requirements.
§ 22.7 - Specific requirements.
§ 22.8 - Material required for MSHA records.
§ 22.9 - How approvals are granted.
§ 22.10 - Approval plate.
§ 22.11 - Instructions on handling future changes in design.
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