Z-89 Non-Fire Practice Test

For a CO leak detected scenario, which action will NOT receive credit during the non-fire emergency On-Site Test?

Evacuate Shelter-in-place Quarantine Lockdown

Correct Answer:

Quarantine

Explanation:

A CO leak is about protecting people from exposure to a toxic gas, so the actions it tests are ways to remove or limit exposure. Evacuation is credited because moving people to fresh air outdoors is the quickest way to reduce inhalation risk. Shelter-in-place is credited when staying inside a secure area with controls on air flow helps minimize exposure rather than venting outdoors, which can be risky if the plume is moving toward the building. Lockdown is credited as a way to control movement and secure the area so occupants can be accounted for and responders can work safely. Quarantine does not fit a CO-release scenario since it targets contagious diseases, not chemical hazards, so it would not receive credit.

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