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Guideline No. 2: Hazards materials (WHMIS)

Workplace Hazardous Materials Information System Regulation (R.R.O. 1990, Regulation 860) generally requires suppliers and employers to identify hazardous materials, instruct/train their workers of proper use, handling and appropriate emergency response.

  1. It is the recommended that the individual having control of, or being in possession of, any hazardous material to notify the production office, or cause them to be notified, and to advise the Assistant Director and Health and Safety Representative of location, purpose and hazards.
  2. It is the responsibility of the Producer to ensure that hazardous materials are clearly marked and safely stored until use.
  3. Hazardous materials should only be used under the direct supervision of an experienced individual knowledgeable in its effect and potential hazards.
  4. The use of hazardous materials should be preceded by an announcement to the cast and crew of the hazard potential and emergency response plan.
  5. Regulation 860 made under the Occupational Health and Safety Act, stipulates the requirements for all employers in the Province.

Note: In Ontario, WHMIS applies to all workplaces covered by the Occupational Health and Safety Act, and to all federal government workplaces. WHMIS applies to hazardous materials known as controlled products. For more information, please see the Occupational Health and Safety Act and WHMIS regulation and the guide to WHMIS which can be viewed and printed from the Ministry of Labour, Training and Skills Development website.

These can be purchased from:
ServiceOntario Publications
Telephone: 416-326-5300
Toll-free telephone: 1-800-668-9938

Updated: April 27, 2022
Published: April 27, 2022