29 CFR Part 1926
§ 1926.910 — Inspection after blasting
OSHA 1926 · Subpart U — Blasting and the Use of Explosives. Full current text with cross-references on BuildSpec.
§ 1926.910 Inspection after blasting. (a) Immediately after the blast has been fired, the firing line shall be disconnected from the blasting machine, or where power switches are used, they shall be locked open or in the off position. (b) Sufficient time shall be allowed, not less than 15 minutes in tunnels, for the smoke and fumes to leave the blasted area before returning to the shot. An inspection of the area and the surrounding rubble shall be made by the blaster to determine if all charges have been exploded before employees are allowed to return to the operation, and in tunnels, after…
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