WHMIS Safe Handling and Exposure 2

Question 1

Under WHMIS, which action is required before using a hazardous product for the first time?

Accepted Answer

Read the Safety Data Sheet (SDS)

Answer

Ask a coworker how they use it

Answer

Estimate the risk based on the product's color and smell

Answer

Check if the container is sealed

Question 2

A worker is transferring a flammable solvent into a smaller container. What WHMIS-required step must be completed on the new container?

Accepted Answer

Apply a workplace label with product name, hazard info, and safe handling instructions

Answer

Leave it unlabeled if used within the same shift

Answer

Write only the product name in marker

Answer

Attach the original supplier label to the new container

Question 3

Which of the following best describes an 'exposure limit' for a hazardous product?

Accepted Answer

The maximum concentration in air a worker can be exposed to without adverse health effects

Answer

The highest temperature at which a chemical is stored

Answer

The amount of PPE required per shift

Answer

The number of hours allowed in a hazardous area per week

Question 4

When handling a corrosive substance listed under WHMIS, which route of exposure is MOST commonly associated with skin and eye damage?

Accepted Answer

Direct contact

Answer

Inhalation

Answer

Ingestion

Answer

Injection

Question 5

An SDS lists a substance as having a TWA (Time-Weighted Average) of 50 ppm. What does this mean for a worker on an 8-hour shift?

Accepted Answer

The average exposure over 8 hours should not exceed 50 ppm

Answer

The worker can be exposed to 50 ppm for up to 15 minutes only

Answer

50 ppm is the immediately dangerous concentration

Answer

The substance must be used in ventilated areas only above 50 ppm

Question 6

A WHMIS-classified 'skin sensitizer' product was spilled on a worker's glove. The worker has no immediate reaction. What is the correct response?

Accepted Answer

Remove and replace the glove immediately and wash the affected skin

Answer

Continue working since there is no immediate reaction

Answer

Apply a barrier cream and continue working

Answer

Only change gloves at the end of the shift

Question 7

Which engineering control is MOST effective at reducing inhalation exposure to hazardous vapors under WHMIS guidelines?

Accepted Answer

Local exhaust ventilation (LEV) installed at the source

Answer

General dilution ventilation in the room

Answer

Respiratory protective equipment worn by workers

Answer

Administrative rotation of workers in the hazardous area