Chapter 3

Question 1

Toxic Inhalation Hazard (TIH)

Answer 1

Volatile liquid or gas known to be a severe hazard to human health during transportation.

Question 2

Polymerization

Answer 2

Chemical reactions in which two or more molecules chemically combine to form larger molecules; this reaction can often be violent.

Question 3

Initial Isolation Distance

Answer 3

Distance within which all persons are considered for evacuation in all directions from a hazardous materials incident.

Question 4

Initial Isolation Zone

Answer 4

Circular zone, with a radius equivalent to the initial isolation distance, within which persons may be exposed to dangerous concentrations upwind of the source and may be exposed to life-threatening concentrations downwind of the source.

Question 5

Street Clothes

Answer 5

Clothing that is anything other than chemical protective clothing of structural firefighters’ protective clothing, including work uniforms and ordinary civilian clothing.

Question 6

Structural Firefighters’ Protective Clothing

Answer 6

General term for the equipment worn by fire and emergency services responders; includes helmets, coats, pants, boots, eye protection, gloves, protective hoods, self-contained breathing apparatus (SCBA), and personal alert safety system (PASS) devices.

Question 7

Self-Contained Breathing Apparatus (SCBA)

Answer 7

Respirator worn by the user that supplies a breathable atmosphere that is either carried in or generated by the apparatus and is independent of the ambient atmosphere. Respiratory protection is worn in all atmospheres that are considered to be immediately Dangerous to Life and Health (IDLH). Also known as Air Mask or Air Pack.

Question 8

Chemical Protective Clothing (CPC)

Answer 8

Clothing designed to shield or isolate individuals from the chemical, physical, and biological hazards that may be encountered during operations involving hazardous materials.

Question 9

Evacuation

Answer 9

Controlled process of leaving or being removed from a potentially hazardous location, typically involving relocating people from an area of danger or potential risk to a safer place.

Question 10

Decontamination

Answer 10

Process of removing a hazardous foreign substance from a person, clothing, or area. Also known as Decon.

Question 11

Cross Contamination

Answer 11

Contamination of people, equipment, or the environment outside the hot zone without contacting the primary source of contamination. Also known as Secondary Contamination.

Question 12

Protective Action Distance

Answer 12

Downwind distance from a hazardous materials incident within which protective actions should be implemented.

Question 13

Isolation Perimeter

Answer 13

Outer boundary of an incident that is controlled to prevent entrance by the public or unauthorized persons.

Question 14

Defending in Place

Answer 14

Taking offensive action to protect persons in immediate danger at hazmat incidents.

Question 15

Sheltering in Place

Answer 15

Having occupants remain in a structure or vehicle in order to provide protection from a rapidly approaching hazard, such as a fire or hazardous gas cloud. Opposite of evacuation. Also known as a Protection-in-Place, Sheltering, and Taking Refuge.

Question 16

Incidental Release

Answer 16

Spill or release of a hazardous material where the substance can be absorbed, neutralized, or otherwise controlled at the time of release by employees in the immediate release area, or by maintenance personnel who are not considered to be emergency responders.

Question 17

Using the four digit ID number or the chemical name allows

Answer 17

Responders to locate the most specific initial action guide

Question 18

The ERG yellow border pages provide a

Answer 18

Four digit UN/NAID number index list in numerical order

Question 19

The blue bordered pages of the ERG provide

Answer 19

An index of dangerous goods in alphabetical order by material name

Question 20

The books orange bordered section is

Answer 20

The most useful because it provides safety recommendations and general hazards information

Question 21

Left hand page lists

Answer 21

Potential hazards and public safety information

Question 22

The right hand page provides

Answer 22

Emergency response information

Question 23

Each guide is designed to cover a

Answer 23

Group of materials that possess similar chemical and toxicological characteristics

Question 24

The potential hazards section addresses to hazards types under separate headers

Answer 24

Health hazards and fire or explosion hazards. The highest potential hazards is list first

Question 25

The public safety section provides

Answer 25

General information regarding immediate isolation of the incident site and protective clothing and respiratory protection recommendations

Question 26

The third section, emergency response describes

Answer 26

emergency response topics, including precautions for incident involving fire, spills or leaks and first aid

Question 27

Fire section

Answer 27

This section recommends the extinguishing agent to use on large fire, small fires, and fires involving bulk containers

Question 28

Spill and leaks section

Answer 28

This section provides actions to make in regards to spills and leaks.

Question 29

First aid section

Answer 29

Th section provides basic steps to help victims affected by hazmat involved

1. Calling emergency medical services
2. Moving victims to fresh air
3. Flushing contaminated skin and eyes with running water
4. Avoid direct contact with hazardous material

Question 30

Awareness level personnel should never

Answer 30

Enter hazardous atmosphere or potentially contaminated areas

Question 31

Awareness level personnel should not

Answer 31

Handle or touch contaminated or potentially contaminated victims at hazmat incident, even to provide basic first aid

Question 32

A small spill

Answer 32

Approximately 55 gallons (220 L) or less involves a single, small package, small cylinder or small leaks from a large package

Question 33

A large spill

Answer 33

More than 55 gallons (220 L) is one that involves a spill from large package or multiple spills from many small packages

Question 34

The quantity of material spilled or released and the area affected are

Answer 34

Both important

Question 35

Single most critical factor is the

Answer 35

Concentration of the contaminant in the air

Question 36

Protective actions are those

Answer 36

Steps taken to preserve the health and safety of emergency responders and the public

Question 37

If hazardous material are on fire or have been leaking for longer than

Answer 37

30 minutes, this ERG does not apply (green border). Seek more detailed information on the involved material on the appropriate orange border page in the ERG

Question 38

Some water reactive materials are also TIH materials themselves

Answer 38

Bromine trifluoride, thionyle chlrodie

Question 39

Table 2 list water reactive materials

Answer 39

Which produce large amounts of TIH gases when the materials is spilled in water.

Question 40

Table 2 also identifies

Answer 40

The TIH gases produced as a result of the spill

Question 41

Table 3 initial isolation and protective action distance for different quantities of six common TIH (PIH in the US) gases

Answer 41

1. Ammonia (un1005)
2. Chlorine (un1017)
3. Ethylene oxide(un1040)
4. Hydrogen chloride (un1050) and hydrogen chloride refrigerated liquid (un2186)
5. Hydrogen fluoride (un1052)
6. Sulfur dioxide/sulphur dioxide (un1079)