Emergency Procedures and Spill Response Flashcards
7 cards from real WHMIS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Emergency Procedures and Spill Response flashcards as text
In an emergency involving a gas leak of a hazardous product, what is the most appropriate immediate action?
Answer: Evacuate immediately and call emergency services from a safe location
Gas leaks can create explosive or toxic atmospheres rapidly; immediate evacuation and calling emergency services from a safe area prevents injuries and allows trained responders to handle the leak.
After a chemical splash to the eyes, how long should continuous eye flushing with water continue according to standard first aid guidelines?
Answer: 15 to 20 minutes
Standard guidelines (ANSI/ISEA Z358.1) require 15 to 20 minutes of continuous eye flushing to adequately dilute and remove chemical contaminants from eye tissue.
What should a comprehensive workplace emergency response plan for hazardous materials include according to WHMIS best practices?
Answer: Procedures for spill containment, evacuation, first aid, and notification of authorities
A complete emergency response plan must address spill containment, worker evacuation, first aid measures, and how and when to notify regulatory authorities and emergency services.
Under WHMIS regulations, when is a chemical release event required to be reported to regulatory authorities?
Answer: When a spill exceeds reportable quantities or results in worker injury
Spills exceeding threshold reportable quantities defined in environmental regulations or those causing worker injury trigger mandatory reporting to the relevant regulatory authority.
What is the correct procedure if a worker is accidentally splashed with an unknown chemical mixture?
Answer: Immediately flush with water for 15 minutes and seek medical attention
Immediate water flushing for 15 minutes is the universal first aid for unknown chemical skin exposure; medical attention is essential since the hazard is unknown.
Which WHMIS-classified hazard category typically requires the most urgent spill response due to the risk of both fire and toxic vapor generation?
Answer: Flammable liquids combined with acute toxicity hazards
Flammable liquids that also carry acute toxicity ratings present a dual threat of fire/explosion and toxic vapor inhalation, requiring the most urgent and comprehensive spill response.
Where should workers assemble after evacuating due to a chemical emergency, and why is this location important?
Answer: At a pre-designated muster point upwind and away from the hazard
A pre-designated upwind muster point ensures workers are not exposed to drifting chemical vapors and allows emergency responders to account for all personnel efficiently.