Oil and Gas Occupational Safety and Health Regulations (SOR/87-612)

Regulations are current to 2014-04-02


 Every ventilation system used to control the concentration of an airborne hazardous substance shall be so designed, constructed and installed that

  • (a) where the hazardous substance is a chemical agent, the concentration of the chemical agent does not exceed the values, levels and percentages prescribed in sections 11.23 and 11.24; and

  • (b) where the airborne hazardous substance is not a chemical agent, the concentration of the airborne hazardous substance is not hazardous to the safety or health of employees.

  • SOR/88-199, s. 19.

Air Pressure

  •  (1) Subject to subsection (2), where there is a likelihood that explosive or toxic vapours may enter an enclosed work place or field accommodation, the air pressure in the work place or field accommodation shall, where practicable, be maintained positive in relation to the air pressure in the surrounding area.

  • (2) Where there is a source of explosive or toxic vapours at a work place, the air pressure in the area of the source shall be maintained negative with respect to any adjacent enclosed area.


 Where reasonably practicable, automated warning and detection systems shall be provided by the employer where the seriousness of any exposure to a hazardous substance so requires.

  • SOR/88-199, s. 19.

Storage, Handling and Use

 Every hazardous substance stored, handled or used in a work place shall be stored, handled and used in a manner whereby the hazard related to that substance is reduced to a minimum.

  • SOR/88-199, s. 19.

 Subject to section 11.14, where a hazardous substance is stored, handled or used in a work place, any hazard resulting from that storage, handling or use shall be confined to as small an area as practicable.

  • SOR/88-199, s. 19.
  •  (1) Every container for a hazardous substance that is used in a work place shall be so designed and constructed that it protects the employees from any safety or health hazard that is created by the hazardous substance.

  • (2) Where a container referred to in subsection (1) is emptied and is not to be refilled with the hazardous substance, it shall be completely cleaned of the hazardous substance that was stored in it before being reused and the label identifying the hazardous substance shall be removed.

  • SOR/88-199, ss. 6, 19;
  • SOR/94-165, s. 37.

 The quantity of a hazardous substance used or processed in a work place shall, as far as is practicable, be kept to a minimum.

  • SOR/88-199, s. 19.

 Where a hazardous substance is capable of combining with another substance to form an ignitable combination and a hazard of ignition of the combination by static electricity exists, the standards set out in the United States National Fire Prevention Association Inc. publication NFPA 77-1983, Recommended Practice on Static Electricity, dated 1983, shall be adopted and implemented.

  • SOR/88-199, s. 19.