and Answers – Comprehensive Certification .
Exam Specifications:
1. Which federal regulation establishes the training requirements for hazardous materials
emergency responders, including Awareness and Operations levels?
A. 49 CFR (Hazardous Materials Regulations)
B. 29 CFR 1910.120 (HAZWOPER)
C. 40 CFR (EPA Regulations)
D. NFPA 1072
2. According to NFPA 1072, what is the primary role of an Operations-level responder at a
hazmat incident?
A. Offensive actions to stop the release
B. Risk-based response and defensive actions
C. Coordinating resources and media relations
D. Analyzing chemical samples in a laboratory
3. On the NFPA 704 placard, what does the number "4" in the RED quadrant indicate?
A. The material is completely stable
B. The material is normally stable, but can become unstable at elevated temperatures
C. The material is extremely flammable (flash point below 73°F)
D. The material is too dangerous to approach
4. Which of the following DOT Hazard Classes includes "Flammable Gases"?
A. Class 1
B. Class 2.1
,C. Class 3
D. Class 4.3
5. A placard with the number "1993" in the center of a diamond shape identifies which
material?
A. Diesel fuel
B. Flammable liquid, n.o.s. (Combustible liquid)
C. Liquefied petroleum gas
D. Corrosive liquid, n.o.s.
6. What is the specific gravity of a liquid that sinks when mixed with water?
A. 0.8
B. 0.9
C. 1.0
D. 1.2
7. A chemical with a vapor density of 2.0 will most likely travel in which direction upon
release?
A. Straight up
B. Laterally with the wind regardless of elevation
C. Downward and seek low-lying areas
D. It will immediately dissipate into the atmosphere
8. Which term describes the minimum temperature at which a liquid gives off enough vapor
to form an ignitable mixture with air?
A. Autoignition Temperature
B. Boiling Point
, C. Flash Point
D. Vapor Pressure
9. At an incident scene, you locate a four-digit number on an orange panel on the side of a
tanker. This number is the:
A. STCC number
B. ERG Guide number
C. UN/NA identification number
D. CAS number
10. Which highway cargo tank is typically elliptical in shape, non-pressure (atmospheric), and
used for hauling gasoline?
A. MC-331
B. MC-312
C. MC-306 (DOT-406)
D. DOT-105
11. According to the Emergency Response Guidebook (ERG), which bordered pages contain
the list of hazardous materials by ID number?
A. Blue-bordered pages
B. Yellow-bordered pages
C. Orange-bordered pages
D. Green-bordered pages
12. If a material has a UEL of 10% and an LEL of 2%, a vapor concentration of 1.5% is
considered:
A. Too rich to burn