29 CFR 1926.910 - Inspection after blasting.
HandlingregulationOrganisationUS Federal (eCFR)År2026
US federal regulation 29 CFR 1926.910 requires the firing line to be disconnected or power switches locked off immediately after a blast, and mandates at least 15 minutes in tunnels before the blaster inspects the area and rubble to confirm all charges exploded.
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