Hazardous Materials

Question 1

What is the purpose of the Authority Having Jurisdiction?

AHJ

Answer 1

Trains EMS to levels of appropriate education on hazardous materials.

Question 2

What does ERG stand for?

Answer 2

Emergency Response Guidebook

It provides specific details/information on the hazards of a substance, placards, and isolation distances.

Question 3

What are placards?

Answer 3

These are diamond signs that explain what substance is being carried.

Question 4

What are labels?

Answer 4

These are small placards that explain the potential hazard of a substance that is being carried.

Question 5

What does CHEMTREC stand for?

Answer 5

Chemical Transportation Emergency Center

24-hour service line to assist responders in potential hazards.

Question 6

What does MSDS stand for?

Answer 6

Material Safety Data Sheet

Information of hazardous materials that includes:

• chemical makeup
• potential hazards
• appropriate first aid

Question 7

How does the isolation distance change from night and day?

Answer 7

Isolation distances are longer at night.

Humidity and temperature can increase the required distance.

Question 8

What does an MC 306 DOT 406 tanker carry?

Answer 8

Flammable and combustible liquids.

Question 9

What does an MC 307 DOT 407 tanker carry?

Answer 9

Flammable liquids, mild corrosives, or poison.

Question 10

What do tube trailers carry?

Answer 10

gases

Question 11

What do dry bulk cargo tanks carry?

Answer 11

Fertilizer, seeds, and powders.

Question 12

What is the hot zone?

Answer 12

Contamination zone

Question 13

What is the warm zone?

Answer 13

It is where decontamination occurs.

Question 14

What is the cold zone?

Answer 14

It is where triage/treatment is performed.

Question 15

Describe:

Level A ensemble

Answer 15

• The suit is fully encapsulated.
• Equipped with a self-contained breathing apparatus.
• Suits are gas-tight.

Question 16

Describe:

Level B ensemble

Answer 16

• The suit is splash-resistant but not fully encapsulating.
• Equipped with a self-contained breathing apparatus.

Question 17

Describe:

Level C ensemble

Answer 17

• Includes an air-purifying respirator.
• Provides minimal splash protection.
• Used during perimeter protection.

Question 18

Describe:

Level D ensemble

Answer 18

• Worn in the cold zone.
• Provides no respiratory protection.

Question 19

Define:

primary contamination

Answer 19

initial exposure

Question 20

Define:

secondary exposure

Answer 20

Exposure transmitted from a contaminated individual to another person.

Question 21

Describe a local effect from a hazardous material.

Answer 21

• Reddening of skin
• Localized pain
• Formation of blisters

Question 22

Describe a systemic effect from hazardous material.

Answer 22

• Damage to airway
• Altered mental status
• Effects to the heart

Question 23

Define:

neutralization

Answer 23

The use of chemicals to change hazardous materials into less harmful substances.

Question 24

Define:

Mass Decontamination

Answer 24

Covering multiple patients with large amounts of water.

Question 25

# Define: Decontamination Corridor

Answer 25

It is within the **warm zone** where **decontamination takes place**.

Question 26

# Define: Technical Decontamination

Answer 26

How first responders **decontaminate supplies, tools and equipment**.

Question 27

# Define: corrosives

Answer 27

Substances (chemicals) that can cause severe damage to living tissues or other materials upon contact. ## Footnote Typically classified into two main categories: **acids and bases**.

Question 28

# Define: solvents

Answer 28

Substances that are able to **dissolve other substances**.

Question 29

What does the **SLUDGEM** mnemonic stand for?

Answer 29

**S**alivation **L**acrimation **U**rination **D**efecation **G**astrointestinal activity **E**mesis **M**iosis ## Footnote Organophosphate poison

Question 30

What are some examples of **asphyxiants**?

Answer 30

* Carbon monoxide * Cyanide