Government of Canada / Gouvernement du Canada
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Canada Occupational Health and Safety Regulations

Version of section 1.2 from 2022-05-02 to 2023-04-11:

 In these Regulations,


Act means Part II of the Canada Labour Code; (Loi)


ANSI means the American National Standards Institute; (ANSI)

approved organization

approved organization means an organization that is approved by any province for the teaching of first aid; (organisme agréé)

basic first aid certificate

basic first aid certificate means the certificate issued by either a qualified person or the organization that developed the training, as the case may be, for successful completion of a one-day first aid course; (certificat de secourisme élémentaire)

change room

change room means a room that is used by employees to change from their street clothes to their work clothes and from their work clothes to their street clothes, and includes a locker room; (vestiaire)


CSA means the Canadian Standards Association; (CSA)

dangerous substance

dangerous substance[Repealed, SOR/88-68, s. 1]

elevating device

elevating device means an escalator, elevator or other device for moving passengers or freight; (appareil élévateur)

fire hazard area

fire hazard area means an area that contains or is likely to contain explosive or flammable concentrations of hazardous substances; (endroit présentant un risque d’incendie)

first aid room

first aid room means a room that complies with the requirements of section 16.10; (salle de premiers soins)

high voltage

high voltage means a voltage of 751 volts or more between any two conductors or between a conductor and ground; (haute tension)

locked out

locked out means, in respect of any equipment, machine or device, that the equipment, machine or device has been rendered inoperative and cannot be operated or energized without the consent of the person who rendered it inoperative; (verrouillé)

lower explosive limit

lower explosive limit means the lower limit of flammability of a chemical agent or a combination of chemical agents at ambient temperature and pressure, expressed

  • (a) for a gas or vapour, as a percentage in air by volume, and

  • (b) for dust, as the weight of dust per volume of air; (limite explosive inférieure)

medical practitioner

medical practitioner[Repealed, SOR/88-68, s. 1]


Minister[Repealed, SOR/2021-118, s. 5]

National Building Code

National Building Code means the National Building Code of Canada, 1995, issued by the Canadian Commission on Building and Fire Codes, National Research Council of Canada, dated 1995, as amended from time to time; (Code canadien du bâtiment)

National Fire Code

National Fire Code means the National Fire Code of Canada 1995, issued by the Canadian Commission on Building and Fire Codes, National Research Council of Canada, dated 1995, as amended from time to time; (Code national de prévention des incendies du Canada)

oxygen deficient atmosphere

oxygen deficient atmosphere means an atmosphere in which there is less than 19.5 per cent by volume of oxygen at a pressure of one atmosphere or in which the partial pressure of oxygen is less than 148 mm Hg; (air à faible teneur en oxygène)

personal service room

personal service room means a change room, toilet room, shower room, lunch room, living space, sleeping quarters or a combination thereof; (local réservé aux soins personnels)

protection equipment

protection equipment means safety materials, equipment, devices and clothing; (équipement de protection)

qualified person

qualified person means, in respect of a specified duty, a person who, because of his knowledge, training and experience, is qualified to perform that duty safely and properly; (personne qualifiée)

regional office

regional office, in respect of a work place, means the office of the Department of Employment and Social Development that is responsible for the Department’s Labour Program in any of the Department’s administrative regions in which the work place is situated; (bureau régional)

toilet room

toilet room means a room that contains a toilet or a urinal, but does not include an outdoor privy. (lieux d’aisances)

  • SOR/88-68, ss. 1, 14
  • SOR/88-632, s. 1(F)
  • SOR/94-33, s. 1
  • SOR/94-263, s. 3
  • SOR/96-294, s. 1
  • SOR/2000-328, s. 1
  • SOR/2000-374, s. 1
  • SOR/2002-208, s. 43(F)
  • SOR/2009-147, s. 1
  • SOR/2012-271, s. 1
  • 2013, c. 40, s. 237(E)
  • SOR/2014-148, s. 1
  • SOR/2019-246, s. 1(F)
  • SOR/2021-118, s. 5
  • SOR/2022-94, s. 1

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