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

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304. Hot work: Wherever hot work is performed in an enclosed area, a worker may only enter or be present therein if the following conditions are met:
(1)  the conditions provided under sections 302 and 303;
(2)  a continuous monitoring of the concentration of inflammable gases and vapours found therein is carried out by a direct reading instrument equipped with an alarm.
O.C. 885-2001, s. 304.