PART 22--PORTABLE METHANE DETECTORS
Section 22.0 Compliance with the requirements necessary for obtaining approval.
22.1 Purpose.
22.2 Definitions.
22.3 [Reserved]
22.4 Applications.
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.
Authority: 30 U.S.C. 957 , 961 .
Source: Schedule 8C, Oct. 31, 1935, unless otherwise noted.
