S-2.1, r. 13 - Regulation respecting occupational health and safety

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312.28. Handling and use of explosives: Any work requiring the handling or use of explosives underwater must be carried out in accordance with Division IV of the Safety Code for the construction industry (chapter S-2.1, r. 4), except Subdivision 4.2 in the case of a police dive.
In addition, the lead wire must not be attached to the detonator before all divers have moved at least 800 m away from the explosion site on the water or have taken shelter on shore.
O.C. 425-2010, s. 3.