47203W_02 Hazardous Materials
Technician Final Exam 2026 Questions
and Answers
During an incident critique, responders identified several shortcomings in their
SOPS. This information should: - Correct 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 - Correct
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: - Correct answer-Circulate the report to
allow everyone in the response system to share the lessons learned.
Although normally very effective, two-way radio communication can fail. Identify
THREE causes of problems with two-way radio communications - Correct answer-
Faulty Batteries, Interference, and enclosed spaces.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,The primary hazard you'll encounter when removing product from an MC-
312/DOT-412 cargo tank is: - Correct 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: - Correct 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: -
Correct 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: - Correct answer-is non-sparking
To fix a leaking pressure relief valve gasket on a chlorine rail tank car, you could
tighten the stud nuts OR: - Correct answer-Apply the hood assembly
A valve/plug assembly should be used to: - Correct answer-Replace a missing plug
Proper care of tools and equipment used to control hazardous materials releases
includes all of the following EXCEPT: - Correct answer-Thoroughly washing all
parts with a chlorine bleach solution
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,When grounding a damaged tank, place the clamp: - Correct answer-Low enough
on the grounding rod so that foam, if used, will build up around the clamp
The object of bonding is to: - Correct 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: - Correct answer-
Upwind from the incident site
During an extensive decon operation, the step that would be performed just PRIOR
to "SCBA Removal" involving Level B protective clothing is: - Correct answer-
Perform technical decontamination
When preparing to decontaminate, pay special attention to contaminants that can
affect: - Correct answer-PPE and monitoring equipment
Identify THREE emergency situations that can endanger the wearer of a CPC suit -
Correct answer-Loss of suit integrity, disruption in radio communications, and loss
of air supply
Match each ICS Position with its function - Correct answer-Decontamination Unit
Leader= Determine the level of decontamination required
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, 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
Information/Research= Provides information on the hazards present and chemical
compatibility of protective clothing and equipment
Identify the item in the confined space shown here that indicates the space has
been isolated - Correct answer-B- the Tags
Displacement using a non-flammable gas is one procedure for: - Correct answer-
Inerting
The decontamination method that causes a contaminant to bond chemically with
another substance is: - Correct answer-Adsorption
Identify TWO cargo transfer methods that can be applied to ALL TYPES of MC-
306/DOT-406, MC-307/DOT-407. and MC-312/DOT-412 cargo tanks - Correct
answer-Internal valves and loading/unloading lines
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
Technician Final Exam 2026 Questions
and Answers
During an incident critique, responders identified several shortcomings in their
SOPS. This information should: - Correct 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 - Correct
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: - Correct answer-Circulate the report to
allow everyone in the response system to share the lessons learned.
Although normally very effective, two-way radio communication can fail. Identify
THREE causes of problems with two-way radio communications - Correct answer-
Faulty Batteries, Interference, and enclosed spaces.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,The primary hazard you'll encounter when removing product from an MC-
312/DOT-412 cargo tank is: - Correct 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: - Correct 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: -
Correct 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: - Correct answer-is non-sparking
To fix a leaking pressure relief valve gasket on a chlorine rail tank car, you could
tighten the stud nuts OR: - Correct answer-Apply the hood assembly
A valve/plug assembly should be used to: - Correct answer-Replace a missing plug
Proper care of tools and equipment used to control hazardous materials releases
includes all of the following EXCEPT: - Correct answer-Thoroughly washing all
parts with a chlorine bleach solution
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,When grounding a damaged tank, place the clamp: - Correct answer-Low enough
on the grounding rod so that foam, if used, will build up around the clamp
The object of bonding is to: - Correct 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: - Correct answer-
Upwind from the incident site
During an extensive decon operation, the step that would be performed just PRIOR
to "SCBA Removal" involving Level B protective clothing is: - Correct answer-
Perform technical decontamination
When preparing to decontaminate, pay special attention to contaminants that can
affect: - Correct answer-PPE and monitoring equipment
Identify THREE emergency situations that can endanger the wearer of a CPC suit -
Correct answer-Loss of suit integrity, disruption in radio communications, and loss
of air supply
Match each ICS Position with its function - Correct answer-Decontamination Unit
Leader= Determine the level of decontamination required
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, 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
Information/Research= Provides information on the hazards present and chemical
compatibility of protective clothing and equipment
Identify the item in the confined space shown here that indicates the space has
been isolated - Correct answer-B- the Tags
Displacement using a non-flammable gas is one procedure for: - Correct answer-
Inerting
The decontamination method that causes a contaminant to bond chemically with
another substance is: - Correct answer-Adsorption
Identify TWO cargo transfer methods that can be applied to ALL TYPES of MC-
306/DOT-406, MC-307/DOT-407. and MC-312/DOT-412 cargo tanks - Correct
answer-Internal valves and loading/unloading lines
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
