30 C.F.R. § 7.41 Purpose and effective date.
Title 30 - Mineral Resources
This subpart establishes the specific requirements for MSHA approval of battery assemblies intended for incorporation in approved equipment in underground mines. It is effective August 22, 1988. Applications for approval or extensions of approval submitted after August 22, 1989, shall meet the requirements of this part.
Title 30: Mineral Resources
PART 7—TESTING BY APPLICANT OR THIRD PARTY
Subpart C—Battery Assemblies
§ 7.41 Purpose and effective date.

