Chapter 3

Question 1

The ERG is a guide to aid emergency responders in quickly identifying the initial hazmat hazards involved in a transportation emergency incident.

Answer 1

transportation

Question 2

isolation and protection distances in the ERG are based on conditions commonly associated with transportation incidents in open areas and may not be useful when applied to fixed facility locations or in urban areas.

Answer 2

isolation, protection

Question 3

Identify the four digit U.N. identification number on a placard or shipping papers and then look up the appropriate guide in the Yellow bordered pages.

Answer 3

Yellow bordered

Question 4

Reference the name of the material involved in the blue bordered pages.

Answer 4

blue bordered

Question 5

Reference the container profiles provided in the white pages in the front of the book.

Answer 5

white pages

Question 6

Using the four digit ID number or the chemical name allows responders to locate the most specific initial action guide

Answer 6

initial action guide

Question 7

As a last resort, if placards or 4 digit ID numbers are not visible, first responders can use container profiles to identify the proper ERG page.

Answer 7

container profiles

Question 8

The ERG’s yellow bordered pages provide a four digit ID number index list in numerical order.

Answer 8

four digit

Question 9

Green highlighting in the yellow bordered index indicates that the substance releases gases that are toxic inhalation hazard.

Answer 9

toxic inhalation hazard

Question 10

A P following the guide number indicates that a material polymerizes.

Answer 10

P

Question 11

Polymerization is a violent reaction that releases great amounts of heat and energy

Answer 11

heat, energy

Question 12

The blue bordered pages of the ERG provide an index of dangerous goods in alphabetical order by material name so that the first responder can quickly identify the guide to consult for the name of the material involved.

Answer 12

dangerous goods

Question 13

The books orange bordered section is the most useful because it provides safety recommendations and general hazards information.

Answer 13

orange bordered

Question 14

The potential hazards section addresses two hazard types under separate headers: Health hazards and fire or explosion hazards.

Answer 14

Health hazards and fire or explosion hazards.

Question 15

The potential hazards section describes health hazards, with the highest potential hazard listed first.

Answer 15

potential hazards

Question 16

The public safety section provides general information regarding immediate isolation of the incident site and protective clothing and respiratory protection recommendations

Answer 16

public safety section

Question 17

The initial isolation distance is a distance within which all persons should be considered for evacuation in all directions from the hazmat spill or leak source.

Answer 17

initial isolation distance

Question 18

Initial isolation distances are provided as bulleted points in the public safety section.

Answer 18

bulleted points

Question 19

When downwind from the incident, evacuation from the initial isolation zone should be conducted at right angles to the prevailing wind direction, if possible.

Answer 19

right angles

Question 20

Awareness level personnel will probably not be involved in evacuations beyond the initial isolation phase

Answer 20

initial isolation phase

Question 21

The third section, Emergency response describes emergency response topics, including precautions for incidents involving fire, spills or leaks, and first aid.

Answer 21

Emergency response

Question 22

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

Answer 22

Protective action distance

Question 23

Both the numeric and alphabetic ERG indexes can help make identification of Toxic inhalation hazard materials easier

Answer 23

Toxic inhalation hazard

Question 24

Atmospheric conditions can significantly affect the size of a chemically hazardous area.

Answer 24

Atmospheric conditions

Question 25

The quantity of material spilled or released and the area affected are both important, but the single most critical factor is the concentration of the contaminant in the air.

Answer 25

concentration

Question 26

Protective actions are those steps taken to preserve the health and safety of emergency responders and the public.

Answer 26

Protective actions

Question 27

The orange bordered pages in the ERG provide recommended isolation and evacuation distances for nonhighlighted chemicals with poisonous vapors and situations where the containers are exposed.

Answer 27

nonhighlighted

Question 28

Table 2 lists water reactive materials which produce large amounts of TIH gases when the material is spilled in water.

Answer 28

2

Question 29

Protective actions, including isolation and scene control can ensure your own safety an the safety of others.

Answer 29

scene control

Question 30

Isolation involves physically securing and maintaining the emergency scene by establishing isolation perimeters or cordons and denying entry to unauthorized persons.

Answer 30

isolation perimeters

Question 31

The isolation perimeter is the boundary established to prevent unauthorized access to and egress from the scene.

Answer 31

isolation perimeter

Question 32

The isolation process may continue with evacuation, defending in place or sheltering in place of people located within protective action zones

Answer 32

protective action zones.

Question 33

Keeping other individuals from entering the hazardous area is one of the more important tasks that Awareness level personnel can do.

Answer 33

Awareness level

Question 34

Awareness level responders may be trained to mitigate incidental releases without calling for additional assistance.

Answer 34

incidental releases