FIREFIGHTER HAZMAT OPS EXAM QUESTIONS AND
ANSWERS (VERIFIED AND WELL DETAILED
ANSWERS) LATEST 2025/2026
Identify the THREE items that an Operations level responder
must protect when responding to a release or potential release of
a hazardous material. - CORRECT ANSWER- 1. Nearby
people
2. Environment
3. Reports about the incident
Industrial packages are designed to transport radioactive
materials with: - CORRECT ANSWER- Low concentrations,
that are considered to be a limited threat to the public, and
packaged in glass or concrete.
You're driving alongside the railroad tracks and see a tank car
with a white body and two red vertical bands. A label on the tank
reads "HIGHLY TOXIC." You have just seen a: - CORRECT
ANSWER- Pressure railway tank car
,Strong, tight packages are designed to transport radioactive
materials with: - CORRECT ANSWER- Low radioactivity
such as natural uranium and rubble from nuclear reactors and
packaged in steel, wood, or fiberboard
Intermodal equipment, including tank containers will have all of
the markings below EXCEPT: - CORRECT ANSWER- A
three-letter abbreviation for the owner, followed by an "X" and
numbers
As you survey an incident, you DO NOT need to consider: -
CORRECT ANSWER- Drainage capacity
CHEMTREC has access to all of the following resources
EXCEPT the: - CORRECT ANSWER- Chemical Mixers
Association
Information about the role of local, state, and Federal authorities
during hazardous materials emergencies can be found: -
CORRECT ANSWER- In the local emergency response plan
You are at a HazMat incident that you suspect involves criminal
or terrorist activity. There are munitions involved and you need
,an Explosives Ordinance Disposal team to respond to the scene.
The agency that can help you with this is the: - CORRECT
ANSWER- U.S. Army Operations Center
A material's flash point is the primary characteristic used to
determine its relative degree of: - CORRECT ANSWER-
Flammability
When radioactive contamination occurs and the person is
removed from the endangered area: - CORRECT ANSWER-
The contaminated material ingested or inhaled continues to emit
radiation
A chemical inside a container has come into contact with an
incompatible substance and is now degrading its own container.
When Responder Watson describes the situation to
CHEMTREC, Watson refers to: - CORRECT ANSWER-
Chemical Stress
The type of release that is associated with runaway cracking is: -
CORRECT ANSWER- Violent rupture
, A material that is not necessarily toxic but can cause
unconsciousness and death by displacing or depriving oxygen is
known as a(n): - CORRECT ANSWER- Asphyxiant
Exposure to a high dose of radiation for a short time is
considered: - CORRECT ANSWER- Acute
If the intensity of the incident increases and could pose an
unreasonable threat to the responders at the scene, the
responders should: - CORRECT ANSWER- Pull back from the
rescue effort
To find out the distances for evacuation at a HazMat incident,
use the Emergency Response Guidebook to determine the size
of the endangered area. Another way to find out would be to: -
CORRECT ANSWER- Contact CHEMTREC
A patient that is seriously injured but has a chance of survival if
immediate medical care is provided should be tagged priority: -
CORRECT ANSWER- Red
Identify THREE latent effects that may result from radiation
exposure. - CORRECT ANSWER- 1. Cancer
ANSWERS (VERIFIED AND WELL DETAILED
ANSWERS) LATEST 2025/2026
Identify the THREE items that an Operations level responder
must protect when responding to a release or potential release of
a hazardous material. - CORRECT ANSWER- 1. Nearby
people
2. Environment
3. Reports about the incident
Industrial packages are designed to transport radioactive
materials with: - CORRECT ANSWER- Low concentrations,
that are considered to be a limited threat to the public, and
packaged in glass or concrete.
You're driving alongside the railroad tracks and see a tank car
with a white body and two red vertical bands. A label on the tank
reads "HIGHLY TOXIC." You have just seen a: - CORRECT
ANSWER- Pressure railway tank car
,Strong, tight packages are designed to transport radioactive
materials with: - CORRECT ANSWER- Low radioactivity
such as natural uranium and rubble from nuclear reactors and
packaged in steel, wood, or fiberboard
Intermodal equipment, including tank containers will have all of
the markings below EXCEPT: - CORRECT ANSWER- A
three-letter abbreviation for the owner, followed by an "X" and
numbers
As you survey an incident, you DO NOT need to consider: -
CORRECT ANSWER- Drainage capacity
CHEMTREC has access to all of the following resources
EXCEPT the: - CORRECT ANSWER- Chemical Mixers
Association
Information about the role of local, state, and Federal authorities
during hazardous materials emergencies can be found: -
CORRECT ANSWER- In the local emergency response plan
You are at a HazMat incident that you suspect involves criminal
or terrorist activity. There are munitions involved and you need
,an Explosives Ordinance Disposal team to respond to the scene.
The agency that can help you with this is the: - CORRECT
ANSWER- U.S. Army Operations Center
A material's flash point is the primary characteristic used to
determine its relative degree of: - CORRECT ANSWER-
Flammability
When radioactive contamination occurs and the person is
removed from the endangered area: - CORRECT ANSWER-
The contaminated material ingested or inhaled continues to emit
radiation
A chemical inside a container has come into contact with an
incompatible substance and is now degrading its own container.
When Responder Watson describes the situation to
CHEMTREC, Watson refers to: - CORRECT ANSWER-
Chemical Stress
The type of release that is associated with runaway cracking is: -
CORRECT ANSWER- Violent rupture
, A material that is not necessarily toxic but can cause
unconsciousness and death by displacing or depriving oxygen is
known as a(n): - CORRECT ANSWER- Asphyxiant
Exposure to a high dose of radiation for a short time is
considered: - CORRECT ANSWER- Acute
If the intensity of the incident increases and could pose an
unreasonable threat to the responders at the scene, the
responders should: - CORRECT ANSWER- Pull back from the
rescue effort
To find out the distances for evacuation at a HazMat incident,
use the Emergency Response Guidebook to determine the size
of the endangered area. Another way to find out would be to: -
CORRECT ANSWER- Contact CHEMTREC
A patient that is seriously injured but has a chance of survival if
immediate medical care is provided should be tagged priority: -
CORRECT ANSWER- Red
Identify THREE latent effects that may result from radiation
exposure. - CORRECT ANSWER- 1. Cancer
