Oil and Gas Occupational Safety and Health Regulations — 13.7
13.7 (1) Subject to subsection (4), if there is a risk of injury or disease due to exposure to an oxygen deficient atmosphere in a work place, the employer shall provide every person who is granted access to the work place with respiratory protective equipment by means of which air will be supplied and that meets the following requirements: (a) it is listed in the United States National Institute for Occupational Safety and Health publication entitled Certified Equipment List , as amended from time to time; and (b) it protects the respiratory tract against the oxygen deficiency. (2) Subject to subsection (4), if there is a risk of injury or disease due to exposure to an airborne hazardous substance in a work place, the employer shall provide every person who is granted access to the work place with respiratory protective equipment that meets the following requirements: (a) if air is supplied by means of the respiratory protective equipment, it is listed in the United States National Institute for Occupational Safety and Health publication entitled Certified Equipment List , as amended from time to time; (b) if air is not supplied by means of the respiratory protective equipment, it is listed (i) in the United States National Institute for Occupational Safety and Health publication entitled Certified Equipment List , as amended from time to time, or (ii) in the CSA Group publication entitled CSA Group Product Listing , as amended from time to time; (c) for respiratory protective equipment referred to in subparagraph (b)(ii), it meets the requirements set out in CSA Standard Z94.4.1, Performance of filtering respirators , as amended from time to time; and (d) it protects the respiratory tract against the hazardous substance. (3) Respiratory protective equipment referred to in subsection (1) or (2) shall be selected, fitted, cared for, used and maintained in accordance with CSA Standard Z94.4, Selection, use, and care of respirators , as amended from time to time. (3.1) The employer must ensure that air that is supplied by means of respiratory protective equipment referred to in paragraph (1)(a) or (2)(a), and the system that supplies the air, including its cylinders, meet the requirements set out in CSA Standard Z180.1, Compressed breathing air and systems , as amended from time to time. (4) Where there is a likelihood of exposure to hydrogen-sulphide gas or combustible gases at a drilling rig, drilling unit or production facility, the employer shall provide, at a readily accessible location (a) on the drill floor, at least one self-contained positive pressure breathing device for each employee normally employed on the drill floor or an air manifold equipped with a face mask for each such employee; (b) at least two portable hydrogen-sulphide gas detectors; and (c) at least two portable combustible gas detectors. (5) Where employee sleeping quarters are located adjacent to a drilling rig or on a drilling unit or production facility, at least four self-contained positive pressure breathing devices shall be located in a readily accessible location. (6) [Repealed, SOR/2022-94, s. 10] SOR/88-199, s. 19; SOR/94-165, s. 49; SOR/2014-141, s. 14(F) SOR/2021-140, s. 2 SOR/2022-94, s. 10