WHMIS Safe Handling and Exposure 3

Question 1

A worker notices the WHMIS label on a drum is damaged and unreadable. What should the worker do?

Accepted Answer

Stop using the product and report it to the supervisor for re-labeling

Answer

Under WHMIS, products with damaged or missing labels must not be used until properly re-labeled based on the SDS.

Question 2

Section 8 of a WHMIS-compliant SDS covers exposure controls and personal protection. Which of the following would you expect to find there?

Accepted Answer

Recommended glove material, respirator type, and occupational exposure limits

Answer

SDS Section 8 specifies exposure controls (OELs) and recommended PPE such as gloves, eye protection, and respiratory equipment.

Question 3

During a chemical splash emergency, a WHMIS-trained worker should FIRST:

Accepted Answer

Flush the affected area with large amounts of water for at least 15-20 minutes

Answer

Immediate flushing with water for 15-20 minutes is the primary first aid response for chemical splashes to skin or eyes.

Question 4

A product's SDS indicates it has a Short-Term Exposure Limit (STEL) of 100 ppm. This means:

Accepted Answer

Exposure at 100 ppm must not exceed 15 minutes, with limited occurrences per shift

Answer

A STEL defines the maximum concentration allowed for short-duration exposures, typically no more than 15 minutes, with limited frequency.

Question 5

Which WHMIS hazard class specifically addresses materials that can cause cancer after repeated or prolonged exposure?

Accepted Answer

Carcinogenicity (Health Hazard Class)

Answer

Carcinogenicity is a WHMIS health hazard class for substances that can cause cancer following repeated or prolonged exposure.

(WHMIS) Workplace Hazardous Materials Information System Practice Test