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Questions and Answers
What does WHMIS stand for?
What does WHMIS stand for?
Workplace Hazardous Material Information System
Describe the symbol of compressed gas.
Describe the symbol of compressed gas.
Class A
Describe the symbol of flammable and combustible material.
Describe the symbol of flammable and combustible material.
Class B
Describe the symbol of oxidizing material.
Describe the symbol of oxidizing material.
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Describe the symbol of poisonous and infectious material.
Describe the symbol of poisonous and infectious material.
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Describe the symbol for other toxic effects.
Describe the symbol for other toxic effects.
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Describe the symbol of biohazardous and infectious material.
Describe the symbol of biohazardous and infectious material.
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Describe the symbol of corrosive material.
Describe the symbol of corrosive material.
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Describe the symbol of dangerously reactive material.
Describe the symbol of dangerously reactive material.
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Study Notes
WHMIS Overview
- WHMIS stands for Workplace Hazardous Material Information System.
- It is a comprehensive communication system for hazardous materials in Canadian workplaces.
Class A: Compressed Gas
- Symbol represents materials under pressure that can explode or cause threats when released.
- Common examples include gas cylinders and aerosol cans.
Class B: Flammable and Combustible Material
- Symbol indicates materials that can ignite easily and burn rapidly.
- Includes liquids, gases, and solids; examples are gasoline and propane.
Class C: Oxidizing Material
- Symbol signifies substances that can cause or enhance fire by producing oxygen.
- Examples include hydrogen peroxide and bleach.
Class D: Poisonous and Infectious Material
- Symbol represents materials that can cause immediate and serious health effects.
- Subclass includes:
- Immediate effects causing severe reactions (Class D, Division 1).
- Materials causing long-term health issues (Class D, Division 2).
Class D: Other Toxic Effects
- Symbol signifies materials causing non-infectious and less immediate health risks.
- Includes substances that can cause chronic health problems or environmental concerns.
Class D: Biohazardous and Infectious Material
- Symbol highlights materials that pose a risk of infection or biological hazards.
- Common examples include medical waste and laboratory samples.
Class E: Corrosive Material
- Symbol indicates substances that can corrode metals or damage skin and eyes.
- Examples include sulfuric acid and sodium hydroxide.
Class F: Dangerously Reactive Material
- Symbol represents materials that can undergo violent chemical reactions under certain conditions.
- Examples include organic peroxides and certain metal powders.
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Description
Test your knowledge of WHMIS symbols and classes with these flashcards. Learn about the meanings behind various hazardous material symbols, including compressed gas, flammable materials, and more. Perfect for anyone studying workplace safety protocols.