Hazardous Materials (Hazmat) Flashcards

If a hazmat leak is discovered during transport, what should the driver do first?

Answer: Park away from people, secure the area, and avoid contact

Drivers should stop in a safe location, keep people away, and never touch or inhale the leaking material.

Why should you never smoke near a vehicle carrying flammable hazardous materials?

Answer: Ignition sources can cause fire or explosion

Flammable materials can ignite from sparks, flames, or burning cigarettes, causing fire or explosion.

What is required when fueling a vehicle carrying hazardous materials?

Answer: Someone must control the fuel nozzle and no smoking is allowed

A person must always control the fuel flow at the nozzle, and smoking is prohibited during fueling.

Which document helps responders identify proper actions for a specific hazmat ID number?

Answer: The Emergency Response Guidebook (ERG)

The ERG lists hazardous materials by ID number and provides initial emergency response guidance.

When transporting explosives (Class 1), which of the following is generally prohibited?

Answer: Transferring explosives between vehicles on a public roadway except in emergencies

Transferring Class 1 explosives between vehicles on a public road is prohibited except in emergencies.

What must a driver do at railroad crossings when carrying placarded hazardous materials?

Answer: Stop within 15 to 50 feet of the nearest rail and proceed when safe

Placarded hazmat vehicles must stop 15 to 50 feet before the nearest rail and cross only when it is clear.

Why must certain hazardous materials be segregated from one another during loading?

Answer: Because some materials can react dangerously if they mix

Incompatible materials can react, producing heat, gas, fire, or explosion, so they must be kept separated.