HazMat Awareness and Operations Exam
2026/2027 COMPREHENSIVE REVIEW AND
DETAILED EXPLANATIONS
• Hazardous Materials -✓✓ Substances or materials in quantities or forms that may
pose an unreasonable risk to health, safety, or property when transported, stored, or
used in commerce
• Time, Distance, Shielding -✓✓ When dealing with a radiation incident involving a leak
or spill, what exposure guidelines should the hazmat first responder use to minimize
radioactive contamination?
• Emergency Response Guidebook (ERG) -✓✓ A reference book intended to be carried
in every emergency vehicle in the United States
• Health and Fire/Explosion -✓✓ The 2 types of potential hazards found in each guide of
the Emergency Response Guidebook
• Protective Actions -✓✓ The steps that are taken to preserve the health and safety of
emergency responders and the public during an incident involving release of hazardous
materials
• Recognizing the presence of Hazardous Materials -✓✓ The most important part of
assessment
• Chemical Name, Estimate of Quantity Released, Time and Duration of Release, Name
and Phone #s of Contacts for Further Information -✓✓ The information (to the extent
known at the time) that should be provided during incident notifications
• True -✓✓ True or False: Section 304 requires reporting of releases of the extremely
hazardous substances listed in Section 302 of SARA, Title III
• True -✓✓ True or False: Releases resulting in an exposure to a person while at a fixed
facility may be exempted from reporting
• False -✓✓ True or False: Private industry is exempt from notification and reporting
requirements in regards to releases of hazardous substances
• Radioactive Yellow-III -✓✓ The package label that indicates the highest radiation
hazard
,• Hazardous materials are used or stored on site -✓✓ Federal OSHA 29CFR 1910.1200
ad several states require that local establishments keep a Material Safety Data Sheet
on file when:
• Can Be More Complex -✓✓ A major difference between a hazmat incident and other
types of emergencies is the fact that hazmat incidents:
• Pressurized -✓✓ All cylinders should be considered dangerous, regardless of what
type of hazardous material it contains, because the contents are:
• UN product identification number -✓✓ The 4-digit number appearing on a placard or
an orange panel of a tank car is the :
• General hazard and degree of severity -✓✓ The NFPA 704 system for identifying
hazardous materials gives:
• Severe -✓✓ A number 4 in the blue quadrant of the NFPA 704 system indicates that
there is ______ risk in this category from the chemical involved
• Special Hazards -✓✓ A white quadrant in the 6 o'clock position of the NFPA 704
system is used to indicate:
• White -✓✓ The fact that a product is water reactive would be indicated in the _____
quadrant of the NFPA 704 system
• 1000 lbs -✓✓ For materials in Hazard Class 8 (corrosive), a DOT placard is required if
the gross weight is in excess of:
• Giving the UN hazard class number -✓✓ UN/DOT placards indicate general hazard
recognition by:
• Highway Truck -✓✓ A bill of lading contains valuable information about the origin of
the product and is the type of shipping paper used when transporting a product via:
• Train Conductor/Engineer -✓✓ Care and control of the waybill/consist is the
responsibility of the:
• Cab of the Truck -✓✓ The normal location for the bill of lading is the:
• The engine, the caboose, the engineer's possession -✓✓ During an incident involving
a train, you should look for the shipping papers in what areas?
• Unreliable, Unacceptable, and Unsafe -✓✓ Using the human senses of smell or taste
to determine the presence of a hazmat is:
,• During preincident planning -✓✓ Hazardous occupancies should be identified and
evaluated:
• MSDS -✓✓ Local emergency response personnel can gain valuable information if the
____ is utilized in preincident planning
• True -✓✓ True or False: Shipping papers are required to contain an entry for hazard
classification according to DOT regulations
• Emergency Contact Info, the Proper Name of the Shipped Materials, and the Hazard
Class of the Shipment -✓✓ When transporting hazmat, the shipping papers should
contain:
• UN Hazard Class -✓✓ On a placard, the number at the bottom of the diamond
indicates the:
• White Over Black -✓✓ The DOT Placarding System requires a vehicle carrying > 1001
lbs of corrosive to display a ________________ placard
• Green -✓✓ The DOT Placarding System requires a vehicle carrying nonflammable
compressed gas to display a placard colored :
• 3,2,1 -✓✓
• Nonflammable Gas -✓✓
• Poison Gas -✓✓ A type of gas that can be extremely toxic and is considered by the
DOT to be a hazardous material is a(n):
• Poisonous Materials -✓✓ Liquid or solid substances that emit toxic, dangerous, and
irritating fumes are known as:
• Flammable solids -✓✓ What hazard class is represented by the placard drawing?
• Explosives -✓✓ What is the hazard class represented by the placard illustration?
• Oxidizers -✓✓ What is the hazard class represented by the placard illustration?
• Dangerous when wet -✓✓ What is the hazard class represented by the placard
illustration?
• Radioactives -✓✓ What is the hazard class represented by the placard illustration?
, • Poison gases -✓✓ What is the hazard class represented by the placard illustration?
• Corrosives -✓✓ What is the hazard class represented by the placard illustration?
• Flammable liquid/combustible -✓✓ What is the hazard class represented by the
placard illustration?
• 2 -✓✓ Which of the following labels indicate the product is a gas?
• Health (blue) -✓✓ Position 1 is the information and degree of hazard relating to a
chemical's:
• Flammability (red) -✓✓ Position 2 is the information and degree of hazard relating to a
chemical's:
• Reactivity (yellow) -✓✓ Position 3 is the information and degree of hazard relating to a
chemical's:
• Special information (white) -✓✓ Position 4 is the information and degree of hazard
relating to a chemical's:
• Red -✓✓ In the NFPA 704 system of identification, the diamond-shaped placard used
for fire hazard is always colored:
• 704 -✓✓ The NFPA lists _______ as the standard for identifying chemical hazards of
materials at fixed facilities
• Yellow -✓✓ In the NFPA 704 system, the quadrant dealing with reactivity is colored:
• Flammable/combustible liquid -✓✓ A hazard class of 3, within the U.N. labeling system
indicates a _____________ product
• 5 -✓✓ A substance that readily yields oxygen to support combustion of fuels, would be
labeled Hazazrd Class _____ under the UN/DOT labeling system
• 4 -✓✓ A container of flammable solids would receive a UN label or placard with a
hazardous classification number of:
• 3 -✓✓ Using the UN/DOT labeling system, a flammable liquid would receive a hazard
classification of:
• Flammable solid -✓✓ Within the UN/DOT system, a container labeled with a hazard
class 4 contains a:
2026/2027 COMPREHENSIVE REVIEW AND
DETAILED EXPLANATIONS
• Hazardous Materials -✓✓ Substances or materials in quantities or forms that may
pose an unreasonable risk to health, safety, or property when transported, stored, or
used in commerce
• Time, Distance, Shielding -✓✓ When dealing with a radiation incident involving a leak
or spill, what exposure guidelines should the hazmat first responder use to minimize
radioactive contamination?
• Emergency Response Guidebook (ERG) -✓✓ A reference book intended to be carried
in every emergency vehicle in the United States
• Health and Fire/Explosion -✓✓ The 2 types of potential hazards found in each guide of
the Emergency Response Guidebook
• Protective Actions -✓✓ The steps that are taken to preserve the health and safety of
emergency responders and the public during an incident involving release of hazardous
materials
• Recognizing the presence of Hazardous Materials -✓✓ The most important part of
assessment
• Chemical Name, Estimate of Quantity Released, Time and Duration of Release, Name
and Phone #s of Contacts for Further Information -✓✓ The information (to the extent
known at the time) that should be provided during incident notifications
• True -✓✓ True or False: Section 304 requires reporting of releases of the extremely
hazardous substances listed in Section 302 of SARA, Title III
• True -✓✓ True or False: Releases resulting in an exposure to a person while at a fixed
facility may be exempted from reporting
• False -✓✓ True or False: Private industry is exempt from notification and reporting
requirements in regards to releases of hazardous substances
• Radioactive Yellow-III -✓✓ The package label that indicates the highest radiation
hazard
,• Hazardous materials are used or stored on site -✓✓ Federal OSHA 29CFR 1910.1200
ad several states require that local establishments keep a Material Safety Data Sheet
on file when:
• Can Be More Complex -✓✓ A major difference between a hazmat incident and other
types of emergencies is the fact that hazmat incidents:
• Pressurized -✓✓ All cylinders should be considered dangerous, regardless of what
type of hazardous material it contains, because the contents are:
• UN product identification number -✓✓ The 4-digit number appearing on a placard or
an orange panel of a tank car is the :
• General hazard and degree of severity -✓✓ The NFPA 704 system for identifying
hazardous materials gives:
• Severe -✓✓ A number 4 in the blue quadrant of the NFPA 704 system indicates that
there is ______ risk in this category from the chemical involved
• Special Hazards -✓✓ A white quadrant in the 6 o'clock position of the NFPA 704
system is used to indicate:
• White -✓✓ The fact that a product is water reactive would be indicated in the _____
quadrant of the NFPA 704 system
• 1000 lbs -✓✓ For materials in Hazard Class 8 (corrosive), a DOT placard is required if
the gross weight is in excess of:
• Giving the UN hazard class number -✓✓ UN/DOT placards indicate general hazard
recognition by:
• Highway Truck -✓✓ A bill of lading contains valuable information about the origin of
the product and is the type of shipping paper used when transporting a product via:
• Train Conductor/Engineer -✓✓ Care and control of the waybill/consist is the
responsibility of the:
• Cab of the Truck -✓✓ The normal location for the bill of lading is the:
• The engine, the caboose, the engineer's possession -✓✓ During an incident involving
a train, you should look for the shipping papers in what areas?
• Unreliable, Unacceptable, and Unsafe -✓✓ Using the human senses of smell or taste
to determine the presence of a hazmat is:
,• During preincident planning -✓✓ Hazardous occupancies should be identified and
evaluated:
• MSDS -✓✓ Local emergency response personnel can gain valuable information if the
____ is utilized in preincident planning
• True -✓✓ True or False: Shipping papers are required to contain an entry for hazard
classification according to DOT regulations
• Emergency Contact Info, the Proper Name of the Shipped Materials, and the Hazard
Class of the Shipment -✓✓ When transporting hazmat, the shipping papers should
contain:
• UN Hazard Class -✓✓ On a placard, the number at the bottom of the diamond
indicates the:
• White Over Black -✓✓ The DOT Placarding System requires a vehicle carrying > 1001
lbs of corrosive to display a ________________ placard
• Green -✓✓ The DOT Placarding System requires a vehicle carrying nonflammable
compressed gas to display a placard colored :
• 3,2,1 -✓✓
• Nonflammable Gas -✓✓
• Poison Gas -✓✓ A type of gas that can be extremely toxic and is considered by the
DOT to be a hazardous material is a(n):
• Poisonous Materials -✓✓ Liquid or solid substances that emit toxic, dangerous, and
irritating fumes are known as:
• Flammable solids -✓✓ What hazard class is represented by the placard drawing?
• Explosives -✓✓ What is the hazard class represented by the placard illustration?
• Oxidizers -✓✓ What is the hazard class represented by the placard illustration?
• Dangerous when wet -✓✓ What is the hazard class represented by the placard
illustration?
• Radioactives -✓✓ What is the hazard class represented by the placard illustration?
, • Poison gases -✓✓ What is the hazard class represented by the placard illustration?
• Corrosives -✓✓ What is the hazard class represented by the placard illustration?
• Flammable liquid/combustible -✓✓ What is the hazard class represented by the
placard illustration?
• 2 -✓✓ Which of the following labels indicate the product is a gas?
• Health (blue) -✓✓ Position 1 is the information and degree of hazard relating to a
chemical's:
• Flammability (red) -✓✓ Position 2 is the information and degree of hazard relating to a
chemical's:
• Reactivity (yellow) -✓✓ Position 3 is the information and degree of hazard relating to a
chemical's:
• Special information (white) -✓✓ Position 4 is the information and degree of hazard
relating to a chemical's:
• Red -✓✓ In the NFPA 704 system of identification, the diamond-shaped placard used
for fire hazard is always colored:
• 704 -✓✓ The NFPA lists _______ as the standard for identifying chemical hazards of
materials at fixed facilities
• Yellow -✓✓ In the NFPA 704 system, the quadrant dealing with reactivity is colored:
• Flammable/combustible liquid -✓✓ A hazard class of 3, within the U.N. labeling system
indicates a _____________ product
• 5 -✓✓ A substance that readily yields oxygen to support combustion of fuels, would be
labeled Hazazrd Class _____ under the UN/DOT labeling system
• 4 -✓✓ A container of flammable solids would receive a UN label or placard with a
hazardous classification number of:
• 3 -✓✓ Using the UN/DOT labeling system, a flammable liquid would receive a hazard
classification of:
• Flammable solid -✓✓ Within the UN/DOT system, a container labeled with a hazard
class 4 contains a:
