S-2.1, r. 14 - Regulation respecting occupational health and safety in mines

Full text
96. After blasting, a worker may not return to his underground work station before:
(1)  it and the travelway leading to it have been ventilated, in a manner meeting the requirements of section 41 of the Regulation respecting occupational health and safety (chapter S-2.1, r. 13);
(2)  at least one change of air has been made in the work station.
O.C. 213-93, s. 96; O.C. 885-2001, s. 382.