HAZMAT First Responder Operational (FRO) Exam with all
Correct & 100% Verified Answers |Latest Version |
Already Graded A+
Class 1 (Hazard Class) ✔Correct Answer--EXPLOSIVES-
Any substance, article or device designed to function by explosion (extremely rapid release of
gas and heat).
Class 2 (Hazard Class) ✔Correct Answer--GASES (FLAMMABLE or POISONOUS)-
Flammable Gas: Ignitable at low concentrations (<13%)
Compressed Gas: Shipped at > 41psia
Poisonous Gas: Toxic to humans of hazardous to health (or LC50 of not more than 5000 ml/m3
for laboratory animals). (i.e. toxic in low concentrations)
Class 3 (Hazard Class) ✔Correct Answer--FLAMMABLE AND COMBUSTIBLE LIQUIDS-
Flammable Liquid: Flash point < 141 F
Combustible Liquid: Flash point > 141 F
Class 4 (Hazard Class) ✔Correct Answer--FLAMMABLE SOLIDS-
Explosives shipped with sufficient wetting agent to suppress explosive properties. (or),
substance that can ignite if in contact with air <5 minutes. (or), substance that gives off
flammable or toxic vapors or is spontaneously flammable upon contact with water.
Class 5 (Hazard Class) ✔Correct Answer--OXIDIZERS AND ORGANIC PEROXIDES-
A material that can cause or enhance the combustion of other materials (usually by giving up
oxygen)
Class 6 (Hazard Class) ✔Correct Answer--POISONOUS AND INFECTIOUS MATERIAL-
Toxic to humans, hazardous to human health or presumed toxic to humans based upon tests on
laboratory animals.
Class 7 (Hazard Class) ✔Correct Answer--RADIOACTIVE MATERIALS-
Substance with specific activity > 0.002 micro-curies per gram.
Class 8 (Hazard Class) ✔Correct Answer--CORROSIVE MATERIALS-
Substance that causes visible destruction of irreversible alterations in human skin tissue or a
liquid that has a severe corrosion rate on steel or aluminum.
Class 9 (Hazard Class) ✔Correct Answer--MISC. HAZARDOUS MATERIALS-
, Material with anesthetic, noxious or similar property that could cause extreme annoyance or
discomfort to flight crew and prevent performance of assigned duties. Does not meet the
definition of any other class..
None (Hazard Class) ✔Correct Answer-Other regulated material (ORM-D)
ERG Page (White) ✔Correct Answer-Basic information and instructions (+placard table)
ERG Page (Yellow) ✔Correct Answer-ID number index (materials listed by ID number)
ERG Page (Blue) ✔Correct Answer-Material name index (materials listed alphabetically)
ERG Page (Orange) ✔Correct Answer-Numbered guide pages.
ERG Page (Green) ✔Correct Answer-Table of Initial Isolation and Protective Actions.
Two major elements of Hazmat problem include: ✔Correct Answer-1. Volume of hazardous
materials, and
2. The human factor.
Hazmat "events" can pose what 3 primary risks? ✔Correct Answer-1. Fire
2. Health
3. Reactivity
Hazmat "events" can pose what 3 negative outcomes? ✔Correct Answer-1. Life/health
2. Environment
3. Property
(in that order)
Hazmat events are different from other emergencies in what 3 ways? ✔Correct Answer-Must
respond:
1. Safely
2. Slowly
3. Methodically
Definition of hazardous material (no one definition): ✔Correct Answer-DOT: ...substance or
material...capable of posing an unreasonable risk to health, safety, and property when
transported in commerce...
True or False: Responders should always think of multiple hazards regardless of how a substance
is placarded or labeled? ✔Correct Answer-TRUE
Hazmat Commons - "Common release" ✔Correct Answer-Petroleum products (diesel or
gasoline)
Correct & 100% Verified Answers |Latest Version |
Already Graded A+
Class 1 (Hazard Class) ✔Correct Answer--EXPLOSIVES-
Any substance, article or device designed to function by explosion (extremely rapid release of
gas and heat).
Class 2 (Hazard Class) ✔Correct Answer--GASES (FLAMMABLE or POISONOUS)-
Flammable Gas: Ignitable at low concentrations (<13%)
Compressed Gas: Shipped at > 41psia
Poisonous Gas: Toxic to humans of hazardous to health (or LC50 of not more than 5000 ml/m3
for laboratory animals). (i.e. toxic in low concentrations)
Class 3 (Hazard Class) ✔Correct Answer--FLAMMABLE AND COMBUSTIBLE LIQUIDS-
Flammable Liquid: Flash point < 141 F
Combustible Liquid: Flash point > 141 F
Class 4 (Hazard Class) ✔Correct Answer--FLAMMABLE SOLIDS-
Explosives shipped with sufficient wetting agent to suppress explosive properties. (or),
substance that can ignite if in contact with air <5 minutes. (or), substance that gives off
flammable or toxic vapors or is spontaneously flammable upon contact with water.
Class 5 (Hazard Class) ✔Correct Answer--OXIDIZERS AND ORGANIC PEROXIDES-
A material that can cause or enhance the combustion of other materials (usually by giving up
oxygen)
Class 6 (Hazard Class) ✔Correct Answer--POISONOUS AND INFECTIOUS MATERIAL-
Toxic to humans, hazardous to human health or presumed toxic to humans based upon tests on
laboratory animals.
Class 7 (Hazard Class) ✔Correct Answer--RADIOACTIVE MATERIALS-
Substance with specific activity > 0.002 micro-curies per gram.
Class 8 (Hazard Class) ✔Correct Answer--CORROSIVE MATERIALS-
Substance that causes visible destruction of irreversible alterations in human skin tissue or a
liquid that has a severe corrosion rate on steel or aluminum.
Class 9 (Hazard Class) ✔Correct Answer--MISC. HAZARDOUS MATERIALS-
, Material with anesthetic, noxious or similar property that could cause extreme annoyance or
discomfort to flight crew and prevent performance of assigned duties. Does not meet the
definition of any other class..
None (Hazard Class) ✔Correct Answer-Other regulated material (ORM-D)
ERG Page (White) ✔Correct Answer-Basic information and instructions (+placard table)
ERG Page (Yellow) ✔Correct Answer-ID number index (materials listed by ID number)
ERG Page (Blue) ✔Correct Answer-Material name index (materials listed alphabetically)
ERG Page (Orange) ✔Correct Answer-Numbered guide pages.
ERG Page (Green) ✔Correct Answer-Table of Initial Isolation and Protective Actions.
Two major elements of Hazmat problem include: ✔Correct Answer-1. Volume of hazardous
materials, and
2. The human factor.
Hazmat "events" can pose what 3 primary risks? ✔Correct Answer-1. Fire
2. Health
3. Reactivity
Hazmat "events" can pose what 3 negative outcomes? ✔Correct Answer-1. Life/health
2. Environment
3. Property
(in that order)
Hazmat events are different from other emergencies in what 3 ways? ✔Correct Answer-Must
respond:
1. Safely
2. Slowly
3. Methodically
Definition of hazardous material (no one definition): ✔Correct Answer-DOT: ...substance or
material...capable of posing an unreasonable risk to health, safety, and property when
transported in commerce...
True or False: Responders should always think of multiple hazards regardless of how a substance
is placarded or labeled? ✔Correct Answer-TRUE
Hazmat Commons - "Common release" ✔Correct Answer-Petroleum products (diesel or
gasoline)
