Guide
NOVEMBER 20, 2024
,HAZMAT AWARENESS AND
OPERATIONS STUDY GUIDE 2024
#2 in an X - answer-An explosive with a fragment hazard is denoted by the US
Military Marking system as a:
#3 in a triangle - answer-Referring to the US Military Marking System for
Hazardous Materials, the symbol for a mass fire hazard is:
1-5 - answer-When initiating an IMS at a hazmat incident, it is important to
remember that an individual's span of control is:
1-800-424-9300 - answer-The number to be used to contact CHEMTREC during a
chemical emergency is:
1000 lbs - answer-For materials in Hazard Class 8 (corrosive), a DOT placard is
required if the gross weight is in excess of:
2 - answer-The number ___ would be shown in the Flammability quadrant of the
NFPA 704 system for a material that must be moderately heated before ignition
can occur and on which water spray may be used to extinguish a fire
2 - answer-Using the DOT ERG, the hazard class number assigned for vinyl
chloride with the ID #1086 is:
2 - answer-Which of the following labels indicate the product is a gas?
2.3 - answer-Blood agents, such as Arsine, would fall under which UN/DOT hazard
class and division?
24; Many chemicals; response agencies - answer-The CHEMTREC organization is
available ________ hours per day to provide information about ________________ to
______________.
25.4-100 psi - answer-The design pressure of an IM 101 portable tank is:
3 - answer-An MC 306/DOT 406 non-pressure liquid carrier, as illustrated, can
operate with liquids with vapor pressures below _____ psi
3 - answer-Using the UN/DOT labeling system, a flammable liquid would receive
a hazard classification of:
3,2,1 - answer-
300 - answer-The maximum hose length allowed by NIOSH when using an airline
hose respirator is ________ feet
300 - answer-The MAXIMUM hose length allowed by NIOSH when using an airline
hose respirator is ________ feet
300-400 degrees F - answer-Proximity gear allows the wearer in close proximity
to a burning liquid. It offers protection for temperatures up to:
,4 - answer-A container of flammable solids would receive a UN label or placard
with a hazardous classification number of:
4 - answer-According to the NFPA 704 system, the most dangerous number
associated with each hazard is what?
40.0 - answer-An MC 307/DOT 407 low-pressure chemical carrier is designed to
carry chemicals with pressures not to exceed ______ psi
4500 psi 60 minute bottle - answer-When entering a hazardous area, the best
SCBA to use is a:
5 - answer-A substance that readily yields oxygen to support combustion of fuels
would be labeled ___ under the UN labeling system
5 - answer-A substance that readily yields oxygen to support combustion of fuels,
would be labeled Hazazrd Class _____ under the UN/DOT labeling system
5:1 - answer-Within the Incident Command System, the optimum span of control
is:
500 - answer-When applying water to a highway tanker or railway tank car with
flame impingement, the minimum amount of water to be used is ________ gpm at
the point of flame impingement
500 - answer-When trying to prevent a BLEVE from occurring, the MOST
COMMONLY accepted minimum flow is _______ gpm
55 gallons - answer-The Table of Initial Isolation and Protective Action Distances
in the ERG is divided into "small spills" and "large spills." The DOT defines a
small spill as a leaking container, smaller than:
55 gallons - answer-When using the Table of Isolation Distances in the ERG, a
large spill is defined as a a quantity greater than:
6 - answer-All biological etiologic agents and toxins are designated as DOT
Hazard Class:
6.1 - answer-MOST riot control agents are considered to be in DOT hazard class:
6.1 - answer-Vesicants/blister agents, such as nitrogen mustard, would fall under
which UN/DOT hazard class and division?
7 - answer-A substance that spontaneously releases ionizing radiation would be
labeled a(n) ___ hazard classification under the UN Labeling System.
704 - answer-The NFPA lists _______ as the standard for identifying chemical
hazards of materials at fixed facilities
A - answer-The shipping of radioactive materials in a metal drum is considered to
be Type ____ packaging.
, A - answer-Type ___ packaging contains low-level commercial radioactive
shipments. These containers include cardboard boxes, wooden crates, and metal
drums.
A change in the position of the tank - answer-Under fire conditions, what is not
an indicator preceding a rupture of a compressed gas tank?
A change in wind direction - answer-One of the factors that can change the
evacuation area is:
A circle for the initial isolation zone with an elongation of it downwind side for the
protective action zone - answer-What is the prescribed shape of the
recommended initial isolation and protective action zones?
A continuous water supply - answer-In dealing with a haz mat fire involving bulk
containers, extinguishment or control SHOULD NOT be attempted without:
A double shell with insulation - answer-A cryogenic liquid tank car will have:
A haz mat response team - answer-A Level II incident is beyond the normal
capabilities of the first responder having jurisdiction and may require a response
from:
A natural gas leak in an occupancy - answer-In Level I incidents, the response
team should be able to deal with:
A placard - answer-_________ is placed on highway transport vehicles to identify
the contents.
A protective mask or breathing apparatus must be used - answer-When referring
to the US military marking system, if a circle with a symbol of a person wearing a
mask is seen, it is necessary to assume that:
A remote government facility in a rural area - answer-What is an example of a
location that has a low likelihood of being targeted by a terrorist attack?
A specialist from an industrial and/or governmental team - answer-Level III
incidents often require the technical expertise of __________ to be brought in for
appropriate handling of such an incident
Absorption - answer-______________ is the process of taking in materials through
the skin or eyes
Absorption - answer-A process by which one substance combines with a second
substance is called:
Absorption - answer-The taking of haz mat into the body through undamaged
skin and the eyes is called:
Absorption, Dilution, Vapor suppression - answer-As a first responder trained to
the operations level, which spill control tactics can be conducted?
Accelerate combustion - answer-The PRIMARY hazard of an oxidizer in a fire is its
ability to: