30 Questions
What type of hazard is associated with liquefied gases like liquid nitrogen?
High pressure hazard
Which of the following substances is NOT mentioned as an example of products with pyrophoric properties?
Methane
What is the defining characteristic of a liquid with a flashpoint below 93.3 oC?
It gives off vapors easily
What is the main hazard associated with flammable solids?
Fire
Which hazard class includes products that can catch fire very quickly if exposed to air?
Pyrophoric liquids
Why are refrigerated liquefied gases hazardous?
Potential for causing explosions
What is the main purpose of the Canada Consumer Product Safety Act?
To regulate consumer products
Which of the following is the most common route of entry for hazardous products to affect human health?
Inhalation
Which of the following substances can cause lung cancer when inhaled?
Arsenic
Which of the following is a measure of the toxicity of a substance?
LD50
What is the main purpose of the Pest Control Products Act?
To regulate pesticides
Which of the following is NOT a route of entry for hazardous products to affect human health?
Injection
What information is required on a workplace label for a hazardous product?
Product name, safe handling precautions, and reference to SDS
When is a workplace label not required for a hazardous product?
When the product is poured into a container and used immediately
What is the main purpose of a Safety Data Sheet (SDS)?
To provide detailed information about the hazardous product for the worker
Which of the following is not a required section of a WHMIS 2015 SDS?
Ecological Information
When must an SDS be updated?
When there are changes to the way the product should be handled or stored
What is the purpose of a workplace label for a hazardous product?
To provide information about the product's hazards and safe handling
Which hazard class is represented by a flame over a circle symbol?
Oxidizing liquids
Which type of products may react violently when agitated or under certain conditions?
Self-reactive substances
What type of hazard does the skull and crossbones symbol represent?
Acute toxicity hazard
Products indicated by a flame over circle symbol may cause what type of hazards?
Explosion hazards
Which substance is an example of a corrosive material that can damage metals?
Sulfuric acid
Which hazard class is associated with the exploding bomb symbol?
Self-reactive substances
What does WHMIS stand for?
Workplace Hazardous Materials Information System
What is the primary purpose of WHMIS?
To promote the 'Right to Know' for workers
Where can workers find information about hazardous products according to WHMIS?
On the SDSs, labels, and through education/training
What is the purpose of hazard categories in WHMIS?
To provide clear information about product hazards
How are hazard categories organized in WHMIS?
By pictograms/symbols
In the context of WHMIS, what do LEL and UEL stand for?
Low Exposure Limit, Upper Exposure Limit
Study Notes
Workplace Labels
- Required when: hazardous product is made or decanted in the workplace, or supplier label is lost or unreadable
- Must include: product name, safe handling precautions, and reference to Safety Data Sheet (SDS)
Safety Data Sheets (SDS)
- Provides detailed information about hazardous products
- Updated when: new information changes product classification, handling or storage, or protection from hazards
- 15 main sections of information in WHMIS 2015 SDS:
- Product Identification
- Hazard Identification
- Composition/Information on Ingredients
- First Aid Measures
- Firefighting Measures
- Accidental Release Measures
- Handling and Storage
- Exposure Controls/Personal Protection
- Physical and Chemical Properties
- Stability and Reactivity
- Toxicological Information
- Ecological Information
- Disposal Considerations
- Transport Information
- Regulatory Information
Hazard Symbols
- Flame (for fire hazards): Flammable gases, Flammable aerosols, Flammable liquids, Flammable solids
- Pyrophoric liquids, Pyrophoric solids, Pyrophoric gases: products that can catch fire spontaneously
- Self-heating substances and mixtures: products that may catch fire when exposed to air
- Corrosion (for corrosive damage to metals, as well as skin, eyes): Skin corrosion/irritation, Serious eye damage/eye irritation, Corrosive to metals
- Exploding bomb (for explosion or reactivity hazards): Self-reactive substances and mixtures, Organic peroxides
- Skull and crossbones (can cause death or toxicity with short exposure to small amounts): Acute toxicity
Test your knowledge on hazardous gases, liquefied gases, and fire hazards. Learn about the risks associated with these substances, such as high pressure, explosion potential, and cryogenic burns. Explore safety measures to prevent accidents and injuries.
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