Questions and Correct Detailed Answers 2025
(Verified Answers) With Rationales
1. What is the first priority when responding to a hazardous materials incident?
B. Ensure personal safety
Ensuring your own safety prevents becoming a victim and allows you to help
others.
2. Which of the following is considered a hazardous material?
A. Gasoline
Hazardous materials include substances like gasoline that pose risks to health and
safety.
3. What is the purpose of the Emergency Response Guidebook (ERG)?
C. To assist first responders in identifying hazards and initial protective actions
The ERG provides critical information during the initial phase of hazardous
materials incidents.
4. What does the DOT hazard class 1 represent?
A. Explosives
DOT class 1 materials are explosives, including fireworks and ammunition.
5. Which of the following colors is used for the health hazard in the NFPA 704
marking system?
, B. Blue
The blue quadrant indicates health hazards in the NFPA system.
6. Who is responsible for identifying hazardous materials in a facility?
D. The facility owner/operator
By law, the facility must identify and communicate the hazards of the chemicals
they use.
7. What is the minimum level of training required to recognize the presence of
hazardous materials?
C. Awareness level
Awareness-level personnel are trained to recognize hazardous materials and
initiate the response process.
8. What is the primary function of awareness-level personnel?
B. Recognize the presence of hazardous materials and notify proper authorities
Awareness-level responders observe, identify, and report hazardous situations.
9. What is the significance of the placard number 1203?
C. Indicates gasoline
The UN number 1203 is assigned to gasoline, a flammable liquid.
10. What is the best source of information about a hazardous material being
transported?
A. The shipping papers
Shipping papers include the name, class, and hazard of the material in transport.