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

Full text
312.48. Gas mixture containing helium: Any gas mixture supply system must include a mixture heater, if the gas mixture includes helium.
O.C. 425-2010, s. 3; O.C. 1104-2015, s. 8.
312.48. Compressed breathing air supply system: The compressed breathing air supply system and its components must meet the requirements of section 48.
O.C. 425-2010, s. 3.