Emergency Response Procedures Flashcards

A deputy arrives at a tanker rollover with a placard reading 1203. What is the best first reference?

Answer: Emergency Response Guidebook (ERG) four-digit ID index

The ERG lists materials by four-digit UN/NA ID number and gives guide numbers for initial actions.

When approaching a suspected hazmat release, which direction should responders position themselves?

Answer: Uphill and upwind

Uphill and upwind keeps responders away from vapors and runoff.

What is the primary law enforcement role at the initial stage of a hazmat incident?

Answer: Isolate the area, deny entry, and evacuate or shelter in place as needed

First responders without hazmat training isolate, deny entry, and call for specialized resources.

What does a 'hot zone' designate at a hazmat scene?

Answer: The area of contamination where only properly protected personnel enter

The hot zone is the contaminated area with controlled entry for trained, protected personnel.

A suspected clandestine methamphetamine lab is found during a response. Which action is most appropriate?

Answer: Withdraw, avoid ignition sources, and notify trained lab response personnel

Labs contain toxic, flammable and explosive hazards, so entry should be left to trained teams.

What is the main advantage of sheltering in place over evacuation during a short-duration chemical release?

Answer: It can reduce exposure when there is not time to evacuate safely

Sheltering in place with ventilation off can limit exposure when moving through the plume is riskier.

Which color placard background commonly indicates flammable liquids?

Answer: Red

Red placards denote flammable liquids and gases under DOT classification.