WHMIS Labels and Safety Data Sheets 2 — Questions and Answers
Question 1: Which section of a Safety Data Sheet (SDS) contains first-aid measures for exposure to the hazardous product?
- Section 2
- Section 4 (Correct answer)
- Section 6
- Section 8
Correct answer: Section 4
Section 4 of the SDS is dedicated to first-aid measures, describing what to do if someone is exposed to the product.
Question 2: On a WHMIS 2015 supplier label, which element tells workers about the dangers the product poses?
- Product identifier
- Hazard statements (Correct answer)
- Supplier information
- Precautionary statements
Correct answer: Hazard statements
Hazard statements are standardized phrases that describe the nature and severity of the hazard posed by the product.
Question 3: A workplace label is required when a hazardous product is transferred from its original container into another container. Which of the following does NOT need to appear on a workplace label?
- Product name
- Safe handling instructions
- Supplier address (Correct answer)
- Hazard information
Correct answer: Supplier address
Workplace labels do not require supplier contact information — that detail is only mandatory on supplier labels.
Question 4: SDS Section 9 provides information about the physical and chemical properties of a product. Which property listed in this section helps workers understand how quickly a liquid could evaporate?
- Vapor pressure (Correct answer)
- Boiling point
- Flash point
- Relative density
Correct answer: Vapor pressure
Vapor pressure indicates the tendency of a substance to evaporate; a higher vapor pressure means faster evaporation.
Question 5: According to WHMIS 2015, how long is a supplier Safety Data Sheet considered current before it must be updated?
- 1 year
- 2 years
- 3 years (Correct answer)
- 5 years
Correct answer: 3 years
Suppliers must review and update their SDS at least every 3 years or whenever significant new hazard information becomes available.
Question 6: Which WHMIS 2015 label element uses symbols to instantly communicate hazard categories visually?
- Signal words
- Hazard statements
- Pictograms (Correct answer)
- Precautionary statements
Correct answer: Pictograms
Pictograms are standardized symbols enclosed in a red diamond border that visually convey the type of hazard at a glance.
Question 7: SDS Section 14 covers transport information. Why would a worker need to consult this section?
- To find the correct PPE before using the product
- To determine proper shipping classifications and labels for moving the product (Correct answer)
- To identify exposure limits for daily work
- To understand how to dispose of the product
Correct answer: To determine proper shipping classifications and labels for moving the product
Section 14 provides transport classification details (UN number, shipping name, hazard class) needed when shipping or receiving hazardous products.
Which section of a Safety Data Sheet (SDS) contains first-aid measures for exposure to the hazardous product?