30 CFR 7.61 - Purpose and effective date.

Regulations last checked for updates: May 18, 2024

Title 30 - Mineral Resources last revised: May 15, 2024

View all text of Subpart D [§ 7.61 - § 7.72]

§ 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.

authority: 30 U.S.C. 957.

source: 53 FR 23500, June 22, 1988, unless otherwise noted.

cite as: 30 CFR 7.61