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Questions and Answers
What hazard is associated with gases under pressure, such as carbon dioxide?
Heat or physical shock may cause the container to explode.
What does the term 'flammable material' mean in the context of WHMIS?
It refers to substances that can catch fire in the presence of a spark or open flame.
Explain the risk associated with oxidizing materials like oxygen gas.
Oxidizing materials increase the risk of fire if they come in contact with flammable materials.
What is the significance of acute health concerns represented in WHMIS pictograms?
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What type of health effects are associated with chronic health concerns, exemplified by mercury?
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Describe what corrosive materials do to human tissue and metals.
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What are the potential dangers of explosive materials like TNT?
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What impact can environmental hazards such as ammonia have?
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What do biohazardous materials represent in WHMIS?
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Study Notes
WHMIS Pictograms
- WHMIS stands for Workplace Hazardous Materials Information System, a crucial safety system for handling hazardous materials in the workplace.
- Pictograms are used to visually communicate the hazards associated with chemicals.
Gases Under Pressure
- Example: Carbon dioxide gas.
- Can explode if exposed to heat or physical shock.
Flammable Materials
- Example: Methane (natural gas).
- Capable of igniting in the presence of a spark or an open flame.
Oxidizing Materials
- Examples: Oxygen gas and hydrogen peroxide (H2O2).
- Increases fire risk when in contact with flammable materials.
Acute Health Hazards
- Example: Chlorine gas.
- Single exposure may lead to immediate serious injury or death.
Less Severe Health Hazards
- Example: Dilute acetic acid (vinegar).
- Single exposure may cause less severe effects, such as irritation or sensitivity, usually reversible.
Chronic Health Hazards
- Example: Mercury.
- Long-term exposure can lead to serious health issues, including cancer or organ toxicity.
Corrosive Materials
- Example: Hydrochloric acid.
- Capable of destroying human tissue and corroding metals.
Explosive Materials
- Example: TNT (trinitrotoluene).
- May self-react or explode under certain conditions.
Environmental Hazards
- Example: Ammonia.
- Can cause toxic effects in aquatic organisms.
Biohazardous Materials
- Example: HIV virus.
- Contains organisms (like bacteria or viruses) that can lead to infections or serious illnesses.
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Description
This quiz covers the Pictograms used in the Workplace Hazardous Materials Information System (WHMIS). It includes information about various chemical types, associated hazards, and safety precautions. Test your knowledge of these critical safety symbols and their meanings.
