30 C.F.R. § 7.61 Purpose and effective date.
Title 30 - Mineral Resources
This subpart establishes the specific requirements for MSHA approval of multiple-shot blasting units. It is effective January 22, 1990. Applications for approval or extensions of approval submitted after January 22, 1991 shall meet the requirements of this subpart.
Title 30: Mineral Resources
PART 7—TESTING BY APPLICANT OR THIRD PARTY
Subpart D—Multiple-Shot Blasting Units
§ 7.61 Purpose and effective date.
