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47203W_02 HAZARDOUS
MATERIALS TECHNICIAN FINAL
EXAM 2026/2027 ACTUAL
QUESTIONS WITH VERIFIED
ANSWERS.
During an incident critique, responders identified several
shortcomings in their SOPS. This information should: -
ANSWER-Be used to improve their response to the next
hazardous materials incident
Identify all the people who should be present at an incident
debriefing - ANSWER-Hazmat Response Team, IMS Officers,
Incident Commander, Information Officers
You have just written the critique record for an incident where
several responders were badly burned. The next step is to: -
ANSWER-Circulate the report to allow everyone in the
response system to share the lessons learned.
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Although normally very effective, two-way radio communication
can fail. Identify THREE causes of problems with two-way radio
communications - ANSWER-Faulty Batteries, Interference, and
enclosed spaces.
The primary hazard you'll encounter when removing product
from an MC-312/DOT-412 cargo tank is: - ANSWER-Corrosivity
If you respond to an incident involving an MC-306/DOT-406
carrying ethanol-blended gasoline, you'll need to suppress the
fire using: - ANSWER-Class B foam-alcohol resistant
concentrate
An MC-306/DOT-406 cargo tank is found to be leaking gasoline
from a number of small, regular punctures. The easiest method
of stopping the leaks would be: - ANSWER-plugging with small
pine plugs
One important safety consideration for choosing power or hand
tools for product removal/transfer operations is whether the
tool: - ANSWER-is non-sparking
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To fix a leaking pressure relief valve gasket on a chlorine rail
tank car, you could tighten the stud nuts OR: - ANSWER-Apply
the hood assembly
A valve/plug assembly should be used to: - ANSWER-Replace
a missing plug
Proper care of tools and equipment used to control hazardous
materials releases includes all of the following EXCEPT: -
ANSWER-Thoroughly washing all parts with a chlorine bleach
solution
When grounding a damaged tank, place the clamp: - ANSWER-
Low enough on the grounding rod so that foam, if used, will
build up around the clamp
The object of bonding is to: - ANSWER-Keep objects at the
same electrical potential, decreasing or eliminating any chance
of a static spark
When setting up a mass decon corridor, it should be located: -
ANSWER-Upwind from the incident site
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During an extensive decon operation, the step that would be
performed just PRIOR to "SCBA Removal" involving Level B
protective clothing is: - ANSWER-Perform technical
decontamination
When preparing to decontaminate, pay special attention to
contaminants that can affect: - ANSWER-PPE and monitoring
equipment
Identify THREE emergency situations that can endanger the
wearer of a CPC suit - ANSWER-Loss of suit integrity,
disruption in radio communications, and loss of air supply
Match each ICS Position with its function - ANSWER-
Decontamination Unit Leader= Determine the level of
decontamination required
Entry Unit Leader= Supervises the entry team and makes
recommendations about control activities in the hot zone
Assistant Safety Officer Hazmat= Responsible for the safety of
all personnel operating in the hot zone
47203W_02 HAZARDOUS
MATERIALS TECHNICIAN FINAL
EXAM 2026/2027 ACTUAL
QUESTIONS WITH VERIFIED
ANSWERS.
During an incident critique, responders identified several
shortcomings in their SOPS. This information should: -
ANSWER-Be used to improve their response to the next
hazardous materials incident
Identify all the people who should be present at an incident
debriefing - ANSWER-Hazmat Response Team, IMS Officers,
Incident Commander, Information Officers
You have just written the critique record for an incident where
several responders were badly burned. The next step is to: -
ANSWER-Circulate the report to allow everyone in the
response system to share the lessons learned.
,2 | Page
Although normally very effective, two-way radio communication
can fail. Identify THREE causes of problems with two-way radio
communications - ANSWER-Faulty Batteries, Interference, and
enclosed spaces.
The primary hazard you'll encounter when removing product
from an MC-312/DOT-412 cargo tank is: - ANSWER-Corrosivity
If you respond to an incident involving an MC-306/DOT-406
carrying ethanol-blended gasoline, you'll need to suppress the
fire using: - ANSWER-Class B foam-alcohol resistant
concentrate
An MC-306/DOT-406 cargo tank is found to be leaking gasoline
from a number of small, regular punctures. The easiest method
of stopping the leaks would be: - ANSWER-plugging with small
pine plugs
One important safety consideration for choosing power or hand
tools for product removal/transfer operations is whether the
tool: - ANSWER-is non-sparking
,3 | Page
To fix a leaking pressure relief valve gasket on a chlorine rail
tank car, you could tighten the stud nuts OR: - ANSWER-Apply
the hood assembly
A valve/plug assembly should be used to: - ANSWER-Replace
a missing plug
Proper care of tools and equipment used to control hazardous
materials releases includes all of the following EXCEPT: -
ANSWER-Thoroughly washing all parts with a chlorine bleach
solution
When grounding a damaged tank, place the clamp: - ANSWER-
Low enough on the grounding rod so that foam, if used, will
build up around the clamp
The object of bonding is to: - ANSWER-Keep objects at the
same electrical potential, decreasing or eliminating any chance
of a static spark
When setting up a mass decon corridor, it should be located: -
ANSWER-Upwind from the incident site
, 4 | Page
During an extensive decon operation, the step that would be
performed just PRIOR to "SCBA Removal" involving Level B
protective clothing is: - ANSWER-Perform technical
decontamination
When preparing to decontaminate, pay special attention to
contaminants that can affect: - ANSWER-PPE and monitoring
equipment
Identify THREE emergency situations that can endanger the
wearer of a CPC suit - ANSWER-Loss of suit integrity,
disruption in radio communications, and loss of air supply
Match each ICS Position with its function - ANSWER-
Decontamination Unit Leader= Determine the level of
decontamination required
Entry Unit Leader= Supervises the entry team and makes
recommendations about control activities in the hot zone
Assistant Safety Officer Hazmat= Responsible for the safety of
all personnel operating in the hot zone
