PART 22—PORTABLE METHANE DETECTORS
- 22.0—Compliance with the requirements necessary for obtaining approval.
- 22.1—Purpose.
- 22.2—Definitions.
- 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.