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S-2.1, r. 14 - Regulation respecting occupational health and safety in mines
Section 173
Disposition versions
173. Where work is carried out in the presence of methane, the following standards shall be respected:
(1) the concentration of the gas in the workplaces affected shall be measured at least once every 2 hours and kept at less than 1%;
(2) the electrical equipment and engines used in such places shall be designed to function in a firedamp atmosphere.
