CERTIFICATION REVIEW SET 2026
ANSWERS GUARANTEED PASS
⫸ By which acronym are the federal regulations detailing hazardous
materials response competencies collectively known? Answer:
HAZWOPER
⫸ Which of the following actions is permitted for operations-level
hazardous materials
responders? Answer: closing remote valve
⫸ Which federal agency enforces and publicizes laws and regulations
governing
transportation of hazardous materials? Answer: department of
transportation
⫸ What is the minimum level of hazardous materials training for a
hazardous materials
officer? Answer: operations
⫸ Ideally, when should response to a hazardous materials incident
begin? Answer: during pre incident planning
,⫸ What is the minimum level of hazardous materials training required
to take defensive
actions? Answer: operations
⫸ What is the temperature at which a flammable liquid will ignite
without any external
ignition source? Answer: ignition temperature
⫸ What is the vapor density of air? Answer: 1
⫸ According to the NFPA, what is defined as a material capable of
posing an unreasonable
risk to health, safety, or the environment? Answer: Hazard
⫸ What is the term for the process by which people, animals, the
environment, and
equipment come into contact with a hazardous material? Answer:
exposure
⫸ Which mnemonic helps fire fighters remember the seven categories
of harm that can be
caused by terrorism agents or other hazardous materials? Answer:
TRACEMP
⫸ Which of the following is the most toxic nerve agent? Answer: VX
, ⫸ What is the maximum capacity of an intermodal tank? Answer: 6,000
gallons (22,700 L)
⫸ What does the NFPA 704 marking system address? Answer:
Hazardous materials at fixed facilities
⫸ What is the typical maximum pressure reading for a standard oxygen
cylinder used in
the medical field? Answer: 2,000 psi (13,800 kPa)
⫸ Which cargo is carried by a highway tanker that has a smaller-
diameter tank with
several reinforcing rings around the circumference? Answer: corrosives
⫸ Which free service can be accessed to connect fire fighters with
chemical
manufacturers, chemists, and other specialists during a chemical
incident? Answer: Chemtrec
⫸ What is the term for shipping papers carried on railroad
transportation? Answer: waybill
⫸ What is most commonly contained in large, above-ground, horizontal
storage tanks? Answer: flammable or combustible liquid