On Board Trains Occupational Health and Safety Regulations

8.8 (1) If there is a hazard of an airborne hazardous substance or an oxygen deficient atmosphere in a work place, the employer shall provide a respiratory protective device that is listed in the United States National Institute for Occupational Safety and Health publication entitled Certified Equipment List, as amended from time to time, or, if there is a hazard of an airborne hazardous substance in a work place and a person’s presence is determined by a qualified person to be necessary for medical treatment to be provided, under supervision from a health care practitioner as defined in section 166 of the Canada Labour Code, at the work place, the employer may provide a respiratory protective device that is a COVID-19 medical device authorized for sale by the Minister of Health under the Interim Order No. 2 Respecting the Importation and Sale of Medical Devices for Use in Relation to COVID-19 made on March 1, 2021 and published in the Canada Gazette, Part I on March 20, 2021.

(2) The respiratory protective device shall be selected, fitted, used and maintained in accordance with the standards set out in CSA Standard CAN/CSA-Z94.4-11, Selection, Use, and Care of Respirators, as amended from time to time.

(3) If air is provided by means of a respiratory protective device, the air shall meet the standards set out in CSA Standard CAN/CSA-Z180.1-13, Compressed Breathing Air and Systems, as amended from time to time.