Test Study Guide Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
What does the blue section of the Emergency Response Guidebook (ERG) list?
✔✔Hazardous materials by name in alphabetical order.
What is the purpose of isolation zones at a hazmat scene?
✔✔To keep unauthorized people away from hazardous areas.
What is the best way to identify a hazardous material in transport?
✔✔Check the four-digit UN/NA identification number on placards.
What is the minimum level of training required to recognize hazardous materials?
✔✔Hazardous Materials Awareness level.
What is the primary role of a HazMat Awareness responder?
✔✔Recognize, protect, call for help, and secure the area.
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,What color ERG section provides initial isolation and protective distances?
✔✔The green section.
What is the definition of an IDLH atmosphere?
✔✔Immediately Dangerous to Life and Health.
What is the priority when approaching a hazmat incident?
✔✔Approach from uphill, upwind, and upstream.
What does the red diamond on an NFPA 704 placard indicate?
✔✔Flammability hazard.
What does the yellow diamond on an NFPA 704 placard represent?
✔✔Reactivity or instability hazard.
What does the white diamond on an NFPA 704 placard show?
✔✔Special hazard information.
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, What does the number 4 in any NFPA diamond quadrant mean?
✔✔It indicates the highest level of hazard.
What are the three zones at a hazmat scene?
✔✔Hot zone, warm zone, and cold zone.
What is the purpose of the cold zone?
✔✔To serve as the command post and safe staging area.
What should an Awareness level responder never attempt?
✔✔Offensive actions like plugging or patching a leak.
What type of hazard does a Class 3 placard represent?
✔✔Flammable liquids.
What type of hazard does a Class 2 placard represent?
✔✔Gases.
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