Hazardous Materials Awareness Flashcards

In the Emergency Response Guidebook (ERG), which color-bordered section lists materials by their four-digit UN/NA ID number?

Answer: Yellow

The yellow-bordered pages index materials numerically by ID number and direct you to a guide.

Which ERG section contains the response guides with fire, health, and evacuation information?

Answer: Orange

Orange-bordered guide pages give potential hazards, public safety actions, and emergency response steps.

A burn crew finds a placard showing the number 1203 on a tanker parked near the burn unit. What material does this most likely indicate?

Answer: Gasoline

UN 1203 is the identification number for gasoline (motor spirit).

Under the DOT hazard class system, drip torch fuel mixture is classified primarily as which hazard class?

Answer: Class 3 - Flammable liquids

Diesel-gasoline drip torch mix is a flammable liquid, DOT Class 3.

What is the primary role of a responder trained only to the First Responder Awareness level at a hazmat incident?

Answer: Recognize the hazard, isolate the area, and notify proper authorities

Awareness-level personnel recognize, isolate, deny entry, and notify; they do not take mitigation actions.

When approaching a suspected hazardous materials release discovered during a burn, crews should approach from which direction?

Answer: Upwind, uphill, and upstream

Approaching upwind, uphill, and upstream keeps responders out of vapors, runoff, and smoke.

Plastic spheres used in aerial ignition (PSD/ping-pong balls) contain which oxidizer that requires careful storage away from fuels?

Answer: Potassium permanganate

PSD spheres contain potassium permanganate, which ignites when injected with ethylene glycol.