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Plumber Red Seal · Question

Under the Workplace Hazardous Materials Information System (WHMIS), what does a symbol showing a flame over a circle represent?

The flame over circle symbol indicates an oxidizing hazard. These materials can cause or intensify a fire or cause an explosion, and are a distinct hazard from

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Question: Under the Workplace Hazardous Materials Information System (WHMIS), what does a symbol showing a flame over a circle represent?

Answer options:

  • Flammable hazard ✅ Oxidizing hazard
  • Corrosion hazard
  • Biohazardous infectious material

Correct answer: Oxidizing hazard

Explanation: The flame over circle symbol indicates an oxidizing hazard. These materials can cause or intensify a fire or cause an explosion, and are a distinct hazard from standard flammable materials (represented by a flame symbol).

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