Firefighter Hazardous Materials Response 3 — Questions and Answers
Question 1: Which level of PPE provides the highest degree of skin and respiratory protection?
- Level A (Correct answer)
- Level B
- Level C
- Level D
Correct answer: Level A
Level A is a fully encapsulating suit with SCBA offering the maximum protection.
Question 2: At what level does Level B PPE differ most from Level A?
- Level B uses no respiratory protection
- Level B is not vapor-tight/encapsulating (Correct answer)
- Level B has no gloves
- Level B requires no SCBA
Correct answer: Level B is not vapor-tight/encapsulating
Level B provides the same respiratory protection as A but the suit is not vapor-tight against gases.
Question 3: The Emergency Response Guidebook's orange-bordered pages provide what information?
- Material name index
- Initial action guides by guide number (Correct answer)
- Isolation distances
- UN number lookup
Correct answer: Initial action guides by guide number
The orange section contains the numbered action guides describing emergency response procedures.
Question 4: The green-bordered pages of the ERG contain what?
- Chemical names
- Table of initial isolation and protective action distances (Correct answer)
- Guide numbers
- Placard images
Correct answer: Table of initial isolation and protective action distances
The green section lists initial isolation and protective action distances for toxic-by-inhalation materials.
Question 5: What hazard class is assigned to radioactive materials in the DOT system?
- Class 5
- Class 6
- Class 7 (Correct answer)
- Class 8
Correct answer: Class 7
Hazard Class 7 covers radioactive materials.
Question 6: A material that gives off oxygen and supports combustion is classified as what?
- Corrosive
- Oxidizer (Correct answer)
- Flammable solid
- Toxic
Correct answer: Oxidizer
Oxidizers (Class 5.1) release oxygen and intensify fires.
Question 7: What is the purpose of a Safety Data Sheet (SDS) at a hazmat incident?
- To list the shipping route
- To provide chemical properties, hazards, and handling information (Correct answer)
- To identify the truck driver
- To record evacuation numbers
Correct answer: To provide chemical properties, hazards, and handling information
An SDS gives detailed hazard, exposure, and handling data for a specific chemical.
Firefighter Hazardous Materials Response 3
Which level of PPE provides the highest degree of skin and respiratory protection?