WHMIS - Workplace Hazardous Materials Information System Safety Data Sheets (SDS) Questions and Answers

Question 1

Under WHMIS regulations, which section of a Safety Data Sheet (SDS) provides detailed information on first-aid measures, including symptoms and effects of exposure?

Accepted Answer

Section 4: First-Aid Measures

Answer

Section 2: Hazard Identification

Answer

Section 8: Exposure Controls/Personal Protection

Answer

Section 11: Toxicological Information

Question 2

A worker decants a hazardous cleaning product from a large supplier drum into a smaller, unlabeled spray bottle for daily use. According to WHMIS, what is now required?

Accepted Answer

A workplace label must be created and affixed to the spray bottle.

Answer

The worker must memorize the product's hazards.

Answer

A new SDS must be requested from the supplier for the spray bottle.

Answer

The spray bottle can only be used by the person who filled it.

Question 3

Which of the following pieces of information is NOT a mandatory component of a supplier label under WHMIS?

Accepted Answer

The date the SDS was last reviewed

Answer

Product Identifier

Answer

Signal Word

Answer

Hazard Pictogram(s)

Question 4

An employer receives a hazardous product from a supplier with an SDS dated four years ago. The supplier confirms in writing that no significant new data has emerged. What is the employer's responsibility regarding the SDS?

Accepted Answer

Accept the existing SDS as compliant since the supplier verified its accuracy.

Answer

Immediately stop using the product until a new SDS is issued.

Answer

The employer must create a new SDS based on their own research.

Answer

Update the SDS every three years regardless of new data.

Question 5

In which section of the Safety Data Sheet would you find the product's flash point, pH, and solubility?

Accepted Answer

Section 9: Physical and Chemical Properties

Answer

Section 5: Fire-Fighting Measures

Answer

Section 10: Stability and Reactivity

Answer

Section 3: Composition/Information on Ingredients

Question 6

A product's SDS displays the 'Health Hazard' pictogram (a silhouette with a starburst in the chest). What is one of the primary hazards this symbol represents?

Accepted Answer

Carcinogenicity

Answer

Acute toxicity (harmful)

Answer

Skin or eye irritation

Answer

Gases under pressure