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

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312.83. Communication system: For any deep diving, a 2-way voice communication system must be available to the standby diver in the submersible compression chamber to allow communication with the diver underwater, outside the submersible compression chamber, as well as with the dive team members on the surface.
O.C. 425-2010, s. 3.