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Code · CFR · Title 30 — Mineral Resources · Part 7 · § 7.61

§ 7.61. Purpose and effective date.

38 words·~1 min read·/us/cfr/t30/s§ 7.61·

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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.
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