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Ontario Security Guard Licence Exam Prep · Question

A security guard discovers a spilled chemical in a loading dock. The container has a 'skull and crossbones' WHMIS symbol. What does this symbol represent?

WHMIS (Workplace Hazardous Materials Information System) uses standard symbols. A 'skull and crossbones' inside a diamond indicates that the material is acutely

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Question: A security guard discovers a spilled chemical in a loading dock. The container has a 'skull and crossbones' WHMIS symbol. What does this symbol represent?

Answer options:

  • The material is flammable.
  • The material is a biohazardous infectious material. ✅ The material is acutely toxic and can cause immediate death or toxicity.
  • The material is corrosive to metals and skin.

Correct answer: The material is acutely toxic and can cause immediate death or toxicity.

Explanation: WHMIS (Workplace Hazardous Materials Information System) uses standard symbols. A 'skull and crossbones' inside a diamond indicates that the material is acutely toxic and can cause immediate and severe health effects or death.

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