MSHA - Code of Federal Regulations - 30 CFR 7.61
Skip to content
MSHA - Title 30 CFR
30 CFR § 7.61
Purpose and effective date.


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.