30 C.F.R. § 22.0 Compliance with the requirements necessary for obtaining approval.
Title 30 - Mineral Resources
To receive approval of MSHA for any portable methane detectors a manufacturer must comply with the requirements specified in this part.
Title 30: Mineral Resources
PART 22—PORTABLE METHANE DETECTORS
§ 22.0 Compliance with the requirements necessary for obtaining approval.

