FEMA IS-0005.a: Latest Update An Introduction to

FEMA IS-0005.a: ( Update

2025 / 2026) An Introduction to Hazardous Materials Questions and Answers

Question:

The tendency of chemicals to become more concent as they move up the

food chain is known as:

• Leachification
• Biomagnification
• Chemical breakdown
• Biodegradation

Answer:

• Biomagnification

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Question:

By reading the placard on a tanker bearing hazardous materials, you can find

out:

• The hazard class of the substance being carried
• The name of the carrier
• The date the substance was shipped
• The amount of the substance being carried

Answer:

• The hazard class of the substance being carried

Question:

In the NFPA 704 labeling system, a rating of 4 in any quadrant corresponds to:

• The lowest degree of hazard
• The highest degree of hazard
• A moderately high hazard
• A moderately low hazard

Answer:

• The highest degree of hazard

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Question:

True or False: The presence of hazardous materials can always be detected by

the sense of smell.

Answer:

False

Question:

The local role in reducing public risks from hazardous materials includes:

• Developing an emergency plan for hazardous materials incidents
• Regulating hazardous materials transportation through local ordinances
• Regulating safe disposal of hazardous waste
• All of these

Answer:

• All of these

Question:

If you encounter a suspicious substance, you should:

• Immediately dispose of it yourself
• Notify the appropriate authority

Answer:

• Notify the appropriate authority
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