HAZMAT AWARENESS AND OPERATIONS ACTUAL 2025/2026 STUDY
GUIDE WITH COMPLETE ANSWERS
True or False: Blood and choking agents, while being terrorism agents,
are also common industrial chemicals. - ----Answers----True
True or False: Biological agents are the easiest of the categories of
warfare agents to make. - ----Answers----True
What is one of the symptoms of exposure to poisonous gases such as
chlorine and anhydrous ammonia? - ----Answers----Severe irritation
to the respiratory system.
What type of hazardous material may be shock sensitive? - ----
Answers----Organic peroxide.
What resource predicts vapor cloud travel after responders' input? - --
--Answers----Area Locations Of Hazardous Atmospheres (ALOHA).
What resources are available for determining concentrations of a
released hazardous material in an endangered area? - ----Answers---
-Monitoring equipment operated by Haz Mat technicians.
What resource is useful in determining the size of an endangered area
during a Haz Mat incident? - ----Answers----Emergency Response
Guide (ERG).
What should first responders immediately remove if a hazardous
material incident involves a leaking flammable substance? - ----
Answers----All ignition sources.
,What is required in dealing with a Haz Mat fire involving bulk
containers? - ----Answers----A continuous water supply;
extinguishment or control should not be attempted without it.
What is the primary hazard to a responder while rescuing victims in a
building with a non-flammable hazard class 2 product? - ----Answers-
---Inhalation.
What is the primary hazard to responders rescuing victims in the
vicinity of a fire involving products of hazard class 1? - ----Answers---
-The primary hazard is the potential for explosions.
What is the emergency decontamination process for contaminated
victims in need of medical treatment? - ----Answers----Removal of
contaminated victims from the hazard area.
What is the first tactical priority to consider during a hazmat incident? -
----Answers----Rescue.
What is absorption in the context of hazardous materials? - ----
Answers----A process by which one substance combines with a
second substance.
True or false: Remote shutoffs are usually well marked and in an easy-
to-find location. - ----Answers----True.
True or false: Remote shutoffs in fixed facilities are typically located
near the entrance. - ----Answers----True.
,True or false: On vehicles, the two most common locations for remote
shutoffs are at the valve controls and behind the driver's door. - ----
Answers----True.
What is a true statement regarding the safety precautions of remote
shutoffs? - ----Answers----They are usually well marked and in an
easy-to-find location.
What factor must responders consider when determining the type of
dam to use to control a spill? - ----Answers----Specific gravity of the
material.
What is a true statement concerning the proper procedure for dilution
of a spill? - ----Answers----Dilution may be effective when combined
with other containment tactics.
What statement is true regarding vapor dispersion? - ----Answers----
The runoff may need to be contained.
What is NOT an appropriate procedure to consider before applying
foam? - ----Answers----The use of foam is limited to combustible
liquids.
What does confinement in hazardous material incidents refer to? - ----
Answers----Procedures taken to keep a material in a defined local
area.
What should be considered when estimating the time to achieve the
primary objective of an incident? - ----Answers----All information
except the reduction of the emission of vapors.
, What is the purpose of vapor suppression? - ----Answers----To
control the emission of vapors.
What are dike, dam, diversion, and retention classified as? - ----
Answers----Defensive control techniques that operations level
personnel are permitted to engage in.
What is diversion in the context of hazardous materials? - ----
Answers----A process by which a hazardous liquid flow is redirected
away from an area.
True or False: Absorption is a defensive method of controlling a
hazardous spill. - ----Answers----True, it involves applying a material
that soaks up and holds the spill.
True or False: Absorption generally requires operational personnel to
be in close proximity to the spill. - ----Answers----True.
True or False: Absorbent materials can react with certain hazardous
substances. - ----Answers----True.
True or False: Vapor dispersion involves using water spray or fans to
intentionally move vapors away from certain areas. - ----Answers----
True.
True or False: Vapor dispersion is always a good idea when flammable
substances are the problem. - ----Answers----False.
True or False: Vapor dispersion is only effective with materials that are
water soluble. - ----Answers----False.
GUIDE WITH COMPLETE ANSWERS
True or False: Blood and choking agents, while being terrorism agents,
are also common industrial chemicals. - ----Answers----True
True or False: Biological agents are the easiest of the categories of
warfare agents to make. - ----Answers----True
What is one of the symptoms of exposure to poisonous gases such as
chlorine and anhydrous ammonia? - ----Answers----Severe irritation
to the respiratory system.
What type of hazardous material may be shock sensitive? - ----
Answers----Organic peroxide.
What resource predicts vapor cloud travel after responders' input? - --
--Answers----Area Locations Of Hazardous Atmospheres (ALOHA).
What resources are available for determining concentrations of a
released hazardous material in an endangered area? - ----Answers---
-Monitoring equipment operated by Haz Mat technicians.
What resource is useful in determining the size of an endangered area
during a Haz Mat incident? - ----Answers----Emergency Response
Guide (ERG).
What should first responders immediately remove if a hazardous
material incident involves a leaking flammable substance? - ----
Answers----All ignition sources.
,What is required in dealing with a Haz Mat fire involving bulk
containers? - ----Answers----A continuous water supply;
extinguishment or control should not be attempted without it.
What is the primary hazard to a responder while rescuing victims in a
building with a non-flammable hazard class 2 product? - ----Answers-
---Inhalation.
What is the primary hazard to responders rescuing victims in the
vicinity of a fire involving products of hazard class 1? - ----Answers---
-The primary hazard is the potential for explosions.
What is the emergency decontamination process for contaminated
victims in need of medical treatment? - ----Answers----Removal of
contaminated victims from the hazard area.
What is the first tactical priority to consider during a hazmat incident? -
----Answers----Rescue.
What is absorption in the context of hazardous materials? - ----
Answers----A process by which one substance combines with a
second substance.
True or false: Remote shutoffs are usually well marked and in an easy-
to-find location. - ----Answers----True.
True or false: Remote shutoffs in fixed facilities are typically located
near the entrance. - ----Answers----True.
,True or false: On vehicles, the two most common locations for remote
shutoffs are at the valve controls and behind the driver's door. - ----
Answers----True.
What is a true statement regarding the safety precautions of remote
shutoffs? - ----Answers----They are usually well marked and in an
easy-to-find location.
What factor must responders consider when determining the type of
dam to use to control a spill? - ----Answers----Specific gravity of the
material.
What is a true statement concerning the proper procedure for dilution
of a spill? - ----Answers----Dilution may be effective when combined
with other containment tactics.
What statement is true regarding vapor dispersion? - ----Answers----
The runoff may need to be contained.
What is NOT an appropriate procedure to consider before applying
foam? - ----Answers----The use of foam is limited to combustible
liquids.
What does confinement in hazardous material incidents refer to? - ----
Answers----Procedures taken to keep a material in a defined local
area.
What should be considered when estimating the time to achieve the
primary objective of an incident? - ----Answers----All information
except the reduction of the emission of vapors.
, What is the purpose of vapor suppression? - ----Answers----To
control the emission of vapors.
What are dike, dam, diversion, and retention classified as? - ----
Answers----Defensive control techniques that operations level
personnel are permitted to engage in.
What is diversion in the context of hazardous materials? - ----
Answers----A process by which a hazardous liquid flow is redirected
away from an area.
True or False: Absorption is a defensive method of controlling a
hazardous spill. - ----Answers----True, it involves applying a material
that soaks up and holds the spill.
True or False: Absorption generally requires operational personnel to
be in close proximity to the spill. - ----Answers----True.
True or False: Absorbent materials can react with certain hazardous
substances. - ----Answers----True.
True or False: Vapor dispersion involves using water spray or fans to
intentionally move vapors away from certain areas. - ----Answers----
True.
True or False: Vapor dispersion is always a good idea when flammable
substances are the problem. - ----Answers----False.
True or False: Vapor dispersion is only effective with materials that are
water soluble. - ----Answers----False.
