On Board Trains Occupational Health and Safety Regulations

8.8 (1) 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) 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) The 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.

(4) The employer must ensure that the 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, meets the requirements set out in CSA Standard Z180.1, Compressed breathing air and systems, as amended from time to time.