HAZMAT TECHNICIAN EXAMINATION
QUESTIONS WITH CORRECT
DETAILED ANSWERS
unified command system - Answer-A command system used in larger incidents in which
there is a multiagency response or multiple jurisdictions are involved.
Toxicology - Answer-study of poisonous substances and their effects upon body parts
Short Term Exposure Limit (STEL) - Answer-15 - minute Time Weighted Average
(TWA) exposure that should no be exceeded during a typical work day.
Medical Surveillance Program - Answer-cornerstone of an effective employee health
and safety management system.
emergency response planning guidelines - Answer-air concentration guidelines for
single exposures to hazmat
TLV-C (threshold limit value-ceiling) - Answer-Refers to an exposure concentration that
should never be exceeded.
Nerve Agents - Answer-
Choking agents - Answer-Agents that can cause extensive damage to respiratory
system , resulting in severe pulmonary edema
Blood agents - Answer-Decrease function of hemoglobin in the blood; deprive the
hematopoietic body tissues of oxygen.
Vesicants (blister agents) - Answer-These agents are extremely toxic, with the
symptoms of exposure not appearing for minutes, hours, or days.
degredation - Answer-destruction/ decomposition
penetration - Answer-flow of Hazmat through cuts, seems, tears
permeation - Answer-the movement of a substance through a surface or, on a
molecular level, through intact materials; penetration, or spreading.
Breakthrough time - Answer-time elapsed from the initial contact of the chemical on the
outside surface until detection on the inside surface
, Permeation Rate - Answer-rate at which a chemical passes through PPE
chemical resistance - Answer-materials ability to block transmission of chemicals
through it
Non bulk packages (bags) - Answer-Generally will not exceed 100 pounds.
Material Examples: Cement, fertilizers, and pesticides.
non bulk packaging (bottles) - Answer-glass,plastic and metal
from ounce to 20+gals
Non-bulk packaging (drums) - Answer-typically 55gal
Uninsulated Cylinder - Answer-Constructed of steel, aluminum, or fiberglass. PSI up to
420lb
Carboys - Answer-Glass, plastic, or steel containers, ranging in volume from 5 to 15
gallons.
Dewars Container - Answer-Open head, non-pressurized vacuum jacketed vessels
used for cryogenics. Range in size from 1 Liter to > 1000 Liters
Ton Container - Answer--Capacity: capability to support one ton of chlorine
-Pressure: 500-2000 psi
-Hazard class: 2
Intermediate Bulk Bags - Answer-ranges from 15-85ft
500-5,000 lbs
hazards assessment - Answer-a field of study blending physical and human geography
focusing on the perception of risk of natural hazards and on developing public policy to
mitigate that risk
risk evaluation - Answer-a determination of the acceptability of the risks or a decision
about what level of safety is desired
Incident Action Plan (IAP) - Answer-The objectives for the overall incident strategy,
tactics, risk management, and member safety that are developed by Command.
Incident action plans are updated throughout the incident.
Element - Answer-A pure substance made of only one kind of atom
Compound - Answer-A substance made up of atoms of two or more different elements
joined by chemical bonds
QUESTIONS WITH CORRECT
DETAILED ANSWERS
unified command system - Answer-A command system used in larger incidents in which
there is a multiagency response or multiple jurisdictions are involved.
Toxicology - Answer-study of poisonous substances and their effects upon body parts
Short Term Exposure Limit (STEL) - Answer-15 - minute Time Weighted Average
(TWA) exposure that should no be exceeded during a typical work day.
Medical Surveillance Program - Answer-cornerstone of an effective employee health
and safety management system.
emergency response planning guidelines - Answer-air concentration guidelines for
single exposures to hazmat
TLV-C (threshold limit value-ceiling) - Answer-Refers to an exposure concentration that
should never be exceeded.
Nerve Agents - Answer-
Choking agents - Answer-Agents that can cause extensive damage to respiratory
system , resulting in severe pulmonary edema
Blood agents - Answer-Decrease function of hemoglobin in the blood; deprive the
hematopoietic body tissues of oxygen.
Vesicants (blister agents) - Answer-These agents are extremely toxic, with the
symptoms of exposure not appearing for minutes, hours, or days.
degredation - Answer-destruction/ decomposition
penetration - Answer-flow of Hazmat through cuts, seems, tears
permeation - Answer-the movement of a substance through a surface or, on a
molecular level, through intact materials; penetration, or spreading.
Breakthrough time - Answer-time elapsed from the initial contact of the chemical on the
outside surface until detection on the inside surface
, Permeation Rate - Answer-rate at which a chemical passes through PPE
chemical resistance - Answer-materials ability to block transmission of chemicals
through it
Non bulk packages (bags) - Answer-Generally will not exceed 100 pounds.
Material Examples: Cement, fertilizers, and pesticides.
non bulk packaging (bottles) - Answer-glass,plastic and metal
from ounce to 20+gals
Non-bulk packaging (drums) - Answer-typically 55gal
Uninsulated Cylinder - Answer-Constructed of steel, aluminum, or fiberglass. PSI up to
420lb
Carboys - Answer-Glass, plastic, or steel containers, ranging in volume from 5 to 15
gallons.
Dewars Container - Answer-Open head, non-pressurized vacuum jacketed vessels
used for cryogenics. Range in size from 1 Liter to > 1000 Liters
Ton Container - Answer--Capacity: capability to support one ton of chlorine
-Pressure: 500-2000 psi
-Hazard class: 2
Intermediate Bulk Bags - Answer-ranges from 15-85ft
500-5,000 lbs
hazards assessment - Answer-a field of study blending physical and human geography
focusing on the perception of risk of natural hazards and on developing public policy to
mitigate that risk
risk evaluation - Answer-a determination of the acceptability of the risks or a decision
about what level of safety is desired
Incident Action Plan (IAP) - Answer-The objectives for the overall incident strategy,
tactics, risk management, and member safety that are developed by Command.
Incident action plans are updated throughout the incident.
Element - Answer-A pure substance made of only one kind of atom
Compound - Answer-A substance made up of atoms of two or more different elements
joined by chemical bonds
