Hazmat State Flashcards
Which of the following statements best describes the standards set by OSHA?
OHSA standards apply to all workplaces
Which of the following statements best describes the regulations set by the EPA?
EPA regulations apply primarily to hazardous wastes
Which of the following organizations issues mandatory standards?
OSHA
The OSHA standard that protects workers in hazardous waste operations and emergency response is?
29 CFR 1910.120
OSHA’s Hazard Communication standard is:
A worker right-to-know law
Which of the following organizations issues hazard classes & divisions?
DOT
Un identification numbers indicate that a chemical may be shipped:
Internationally
Hazardous materials that must always be placarded, regardless of quantity, are:
Table 1 materials
Title 49 in the Code of Federal Regulations includes all:
DOT Regulations
The Superfund Amendment and Reauthorization Act is administered by:
EPA
How can DOT subsidiary placards be distinguished from primary placards?
Subsidiary placards do not carry hazard class or UN numbers
Bulk containers for liquids hold a maximum capacity of more than:
118.9 gallons
An “MC 331” is a:
Pressure cargo tank
Non-pressure cargo tanks have:
Elliptical cross–sections and flat heads
Caustic Soda is frequently transported in:
Covered hopper cars
Non-pressure cargo tanks primarily carry:
Petroleum products
Which of the following is not true regarding shipping papers:
DOT requires that MSDSs accompany shipping papers
Non-pressure tank containers transport liquid & solid materials at pressures up to:
100 psig
Tube trailers carry:
Pressurized gases
Which of the following best describes the most common type of tank container?
Single compartment, stainless steel tank in metal frame
Medical surveillance for emergency responders is part of which federal regulation?
29 CFR 1910.120
The primary route of chemical exposure for fire fighters is:
Inhalation
Secondary contamination refers to:
Contamination from someone who has already been contaminated
Which of the following statements is not true of the skin?
Water-soluble substances are more easily absorbed by the skin
Which of the following items will provide minimum shielding from gamma radiation?
Several inches of lead
Under federal regulations, medical surveillance is required for:
Members of hazardous materials teams only
Biological monitoring measures:
The amount of an agent in your body
Simple asphyxiants displace oxygen in the air. Chemical asphyxiants:
Prevent the body from using inhaled oxygen
Etiologic means that an agent is:
Infectious
Which of the following organs is considered the primary “transfer point” for chemicals in the body?
The lungs
Which of the following statements is true regarding the hazard identification phase of pre-incident planning?
Transportation routes as well as fixed sites should be identified
What influence does topography have on the spread of a poisonous gas that is heavier than air?
It may either increase or prevent the spread of the gas
Which of the following is not true regarding weather conditions?
Cold temperatures have little effect because of physical demands in fire fighting
The hazard identification phase of pre-incident planning primarily involves:
Gathering information
Facilities that use only very small quantities of hazardous materials:
May not need to follow government reporting procedures
What is the next step in a pre-incident plan once you have collected all pertinent information?
Develop a comprehensive plan of action
If after preplanning a facility, you find you would not have sufficient resources to respond to an incident, your
department should:
Take preventive measures
Generic pre-incident plans can be developed for:
Each pre-incident plan must be site –specific
Which of the following statements is not true of pre-incident planning?
A site visit may not be necessary if previous pre-incident plans are available
The right response to an incident is to:
Work within limitations of resources & training
Air is assigned a vapor density of:
1
If a material is “water miscible”, it is:
Infinitely soluble in water
Substances with high vapor pressures are:
More likely to evaporate
The rate of a chemical reaction can usually be increased by:
Increasing temperature, concentration, and pressure
Vapors and gases with molecular weights greater than 29 tend to:
Sink in air
Although specific gravity has no unit of measure, it does have a value relative to:
The weight of water
“Ignition temperature” refers to:
The temperature at which a material burns without a flame
A “pyrophoric” material describes a material that spontaneously ignites in air at or below:
130 F
All gases have vapor pressure higher than:
760 mm Hg
A chemical’s “explosive limit” depends on its:
Concentration
Which of the following is the best definition of response time as it applies to detection devices?
The period between beginning measurement & obtaining a reading
Detector tubes are used to:
Measure the concentration of known gases, vapors, & unknown hydrocarbons
Alpha & beta radiation survey meters usually display readings in:
Counts per minute
On a combustible gas indicator with a reading in % LEL, the reading indicates 0-100% of:
The lower explosive limit
The most common calibration gases for combustible gas indicators are:
Methane, pentane
Which of the following is true of direct read-out instruments?
Direct read-out instruments provide measurements in real time
Which of the following instruments should you use in a flammable atmosphere?
Instruments marked “intrinsically safe” or “UL or FM”
Which of the following is the best definition of relative response as it applies to detection devices?
The instrument’s reading compared to the calibration gas
If you are monitoring a gas with an LEL of 2% and your combustible gas indicator reads 50% LEL, what is the
actual percentage of gas in the atmosphere?
1%
An atmosphere is assumed to be oxygen-enriched if concentrations of oxygen are greater than:
23.5%
Vapor-protective clothing for hazardous chemical emergency response is described in:
NFPA 1991
Chemical protective clothing is specifically designed to:
Prevent or limit skin exposure
The process by which a chemical moves through a material by molecular means is called:
Permeation
Which type of respirator should be worn in emergency response?
Positive pressure self contained breathing apparatus
Which of the following organizations assigns protection factors to respirators?
NIOSH
The longest approved air line for supplied air respirators is:
300 feet
Support function garments should never be used for:
Emergency response
Liquid splash-protective clothing for hazardous chemical emergency response is described in:
NFPA 1992
Break though time refers to the time it takes for a chemical to:
Permeate protective clothing
Which type of resistance data is most valuable when using vapor-protective clothing?
Permeation
When must a decontamination area be set up?
Before personnel enter the Hot Zone
In emergency decontamination, which of the following is a primary concern?
Prevent severe injury.
If contaminants are corrosive, skin and mucous membranes must be flushed with:
Large amounts of water
Non-soluble contaminants should be removed from the skin with:
Liquid soap & water
Although other factors are involved, protective clothing is more likely to be permeated if:
The chemical is highly concentrated
“Deactivation” is the use of cleaning agents, neutralizers, or disinfectants for decontamination and is generally
used for:
Organic compounds
In the decontamination process for liquid splash-protective garments, the SCBA face piece is removed:
After the splash suit is removed
How should you decontaminate a contaminated entry team member who experience heat stress in the Hot
Zone?
Perform an emergency decontamination, then remove the clothing
Exposure to which type of chemical automatically prohibits the reuse of PPE?
Carcinogens
PPE contamination levels can only be determined by:
Destructive testing
Most 55-gallon drums have openings in the top fitted with plugs & caps. These opening are called:
Bungs
Oxygen gas would most likely be transported in which type of tank car?
High pressure tube car
Which of the following is usually built to contain releases on land?
Dikes
Which of the following statements is true of over packing?
Over pack drums must be marked
Which of the following control techniques involves releasing gas vapors into the atmosphere to reduce tank
pressure?
Venting
Which of the following items is often used as an adsorbent?
Clay
Cargo tanks can be constructed from any of the following materials. Which one is softest & will puncture most
easily?
Aluminum
Which type of tank car is the most common?
Non-pressure tank cars
Which type of tank car is the most common?
Non-pressure tank cars
An incident management system (I.M.S.) should be established when:
The first responding unit arrives
Which of the following function is not a command staff position?
Logistic
In an I.M.S., which of the following statements best describe the function of the Operations function?
Operation is responsible for management of tactical operations to stabilize & control the incident
A rest & rehabilitation unit at a large-scale incident would fall under the:
Logistics function
A rest & rehabilitation unit at a large-scale incident would fall under the:
Logistics function
The Integrated Emergency Management System is implemented at large-scale incidents by:
FEMA
In addition to Incident Command, what are the four primary divisions at a hazardous materials incident?
Operations, Planning, Logistic, Finance
Which of the following statements is true of the Incident Safety Officer?
The Incident Safety Officer can halt operations if unsafe practices occur
Coordination of communication at a hazardous materials incident is the responsibility of which division?
Logistic
Coordination of communication at a hazardous materials incident is the responsibility of which division?
Logistic
How should burns from alkali corrosive agents be treated?
The chemical should be thoroughly flushed and the burn covered with a dry dressing
Which of these asphyxiants carries the highest risk of secondary contamination?
Cyanide
The acronym DUMBELS is associated with symptoms produced by exposure to which of the following
insecticides?
Organophosphates
Victims of heat stroke experience:
Rapid, strong pulse and flushed, dry skin
Exposure to hydrogen fluoride can deplete blood of:
Calcium
Carboxyhemoglobin occurs when carbon monoxide inhibits:
The blood’s ability to carry oxygen
Cyanide is easily absorbed through:
All three routes of exposure
How should hypothermic patients be treated?
The patient should be warmed slowly by placing heat packs close to the body
Which of the following chemicals can produce methemoglobinemia?
Nitrates
Which organization mandates the use of Incident Command System at hazardous materials incidents?
OSHA
How should a seriously injured patient who has been contaminated with a toxic chemical be decontaminated?
The patient should undergo gross decontamination prior to medical treatment
Non-soluble contaminants should be removed from the skin with:
Liquid soap & water
A DOT 407 is a:
Low pressure cargo tank
The Permissible Exposure Limit (PEL) is defined as:
The average airborne concentration of substance to which an adult can be exposed for 8-hour workday or
40 hour work week.
In emergency gross decontamination, the primary concern is to:
Prevent severe injury
When used as weapon of mass destruction, biological agents can be dispersed as:
All of the above (solids, liquids, & gases)
Breakthrough time refers to the time it takes for a chemical to:
Permeate protective clothing
Chlorine A kits are designed to help you handle leaks from:
Cylinders
The warfare agent SARIN is an example of a:
Nerve agent
The “persistence” of a product refers to:
The rate at which a product evaporates
When used as a terrorist weapon, which of the following chemicals is considered a blood agent?
Hydrogen cyanide
Cryogenic liquids are generally stored at maximum temperature of:
Minus 130 F
Diazinon & malathion are examples of which type of insecticide?
Organophosphates
A chlorine B kit is designed to handle leaks in:
Ton containers
An MC 338 cargo tank carries:
Cryogenic materials
Based on its molecular weight, which one of the following gases will tend to rise in air?
Acetylene (MW=26)
DOT hazard class 5 includes:
Oxidizers
When doffing chemical protective clothing, the last item removed should be:
SCBA
When a hazardous material contains multiple hazards, which types of labels should be used on the packaging?
Labels for the primary hazards & at least one subsidiary label for a secondary hazard
Hydrocarbons containing a molecular structure in the form of a ring are known as:
Aromatic hydrocarbons
Photoionization detectors (PIDs) are generally used to detect:
Organic vapors in low ppm ranges
Non-pressure Type I intermodal tank containers transport liquid & solid materials at pressures up to:
100 psig
If you are exposed to a hazardous material, OHSA requires that your medical records be kept for how many
years after you leave your job?
30 years
Approximately how much of a displacing gas is needed to drop oxygen concentrations by 5%?
1%
Inorganic peroxides act as both oxidizers and:
Corrosives
Compressed gases are defined by DOT as having an absolute pressure exceeding:
40 psi at 70 F
Of the following heat-related stresses, which symptom indicates the most serious condition?
Flushed, dry skin
The types of weapon most commonly used by terrorists are:
Explosives
DOT hazards class 4 includes:
Flammable solids
How should you decontaminate a contaminated entry team member who experience heat stress in the hot
zone?
Perform an emergency decon, then remove the clothing
Which type of respirator should be worn in emergency response?
Positive pressure SCBA
The first step in conducting pre-incident planning for a fixed site is:
Conducting a site visit
MC 306/ DOT 406 cargo tanks generally carry what type of products?
Fuels
In the decontamination process for liquid splash-protective garments, the SCBA face piece is removed:
After the splash suit is removed
Which of the following is not an example of a containment technique?
Diking
Which of the following must be placarded regardless of the amount being transported?
Table 1 materials
A chemical with a pH less than 7 is alkaline; a chemical with a pH greater than 7 is acidic.
False
A product with a Class Division number of 5.2 at the bottom of the placard would be considered an:
Organic peroxide
Non-soluble contaminants should be removed from the skin with:
Liquid soap and water
Which of the following is a resource for determining the size of an endangered area of a
hazardous materials incident?
Emergency response guidebook
Steel cylinder designed to withstand pressure may contain:
Compressed gases
A tanker equipped with propane burner and attached propane tanks with a working tank
pressure usually between 400-500F is what type of carrier?
Tar and asphalt carrier
A MC 333 cargo tank carries what type of product?
Cryogenic materials
All the following are types of toxic skin reaction except:
Carcinogens
The hazard identification phase of pre-incident planning primarily involves:
Gathering information
Title 49 of the Code of Federal Regulations includes all:
DOT regulations
The Superfund Amendment and Reauthorization Act are administered
by:
EPAB
Compressed gases are defined by DOT as having an absolute pressure
exceeding:
40 psi at 70 F
What measures the ability of a liquid to evaporate, that is, to change from a liquid to a
gas?
Vapor Pressure
On a combustible gas indicator with a reading in % LEL, the reading indicates 0-100%
of:
Lower Explosive Limit
Which of the following chemicals can produce
methemoglobinemia?
Nitrates
The longest approved airline for supplied air respirators is:
300 feet
A product with a Class Division number of 4.2 at the bottom of the placard would be
considered what:
Spontaneously combustible materials
How can DOT subsidiary placards be distinguished from primary
placards?
Subsidiary placards do not carry class or UN numbers
If you are monitoring a gas with a LEL of 2% and your combustible gas indicator reads 1%
LEL, what is the actual percentage of gas in the atmosphere?
5,000 ppm
Photo Ionization detectors (PID) are generally used to detect:
Organic vapors in low ppm ranges
Class 5 materials, such as ammonia nitrate fertilizer, include which of the following groups of
materials?
Organic peroxides
Carboxyhemoglobin occurs when carbon monoxide inhibits:
The blood’s ability to carry oxygen
An asphyxiate is any substance that:
Prevents the body from using oxygen
According to the IAFF Technician manual, what signs would a victim of heat stroke
exhibit:
Strong pulse and hot, dry skin
A Pyrophoric material describes a material that spontaneously ignites in air at or
below:
130 F
Substances added to monomers to prevent them from polymerizing
are:
Inhibitors
All gases have vapor pressures higher than:
780mm Hg
A glass of plastic bottle encased in outer packaging such as a polystyrene box or wooden
crate may contain:
Hydrochloric acid
Inorganic peroxides act as both oxidizer and:
Corrosives
What type of respirator should be worn in response?
Positive pressure self-contained breathing apparatus
Exposure to hydrogen fluoride can cause a depletion of blood:
Calcium
Non-pressure DOT 406 cargo tanks have what type of
construction:
Elliptical cross sections and flat heads
Emergency responders should withdraw from a haz-mat incident
if:
External damage to the container threatens massive release
Post-exposure monitoring is necessary:
To assist in early identification of illness and injury
If further assistance is needed to analyze an incident, it can be sought from:
The shipper of the product
The process by which a chemical moves through a material by molecular means is
called:
Permeation
The Chlorine “B” kit is designed to handle leaks on what type of
container?
One-ton Containers
Benzene, which can over stimulate the nervous system causing skin irritation, is an
example of a:
Neurotoxin
The first step in conducting a pre-incident plan for a fixed site is:
Conducting a site visit.
Responsibilities of the haz-mat safety officer include:
Remaining alert to various threats at hazmat incidents
Most biological agents are dispersed as a(n):
Aerosol
The NFPA diamond is a labeling system that incorporates the use of four diamonds
combined in one central diamond. What is indicated in the blue field?
Health
Which of the following organs is considered the primary “transfer point” for chemicals in the
body?
The lungs
What type of chemical exposure automatically prohibits the reuse of any
PPE?
Carcinogens
A limited use non-bulk container or carboy are used almost exclusively for hazardous
materials and can hold between:
15 to 20 gallons
In emergency decontamination, the primary concern is to:
Prevent severe injury
When must the decontamination area be set up?
Before any personnel enter the hot zone
Which of the following organizations issues hazard classes and
divisions?
Department of transportation (DOT)
Non-pressure cargo tanks primarily carrier:
Petroleum products
Colorimetric detector tubes are used to:
Measure the concentration of any unknown gas or vapor by volume
Cryogenics liquids are generally stored at a maximum temperature
of:
-130 F
Tube trailer’s carry what commodities:
Pressurized gases
The hazardous materials safety officer is not responsible for:
Identifying the materials involved
Which of the following statements describes the standard set by the Occupational Safety
and Health Act?
OSHA standards apply to all workplaces
The temperature at which a liquid change to a gas increasing pressure inside a closed
container is known as:
Boiling point
Of the following heat-related stresses, which symptom indicates the most serious
condition?
Red hot, dry skin, no sweating
Chlorine “A” kit are designed to help you handle leaks from:
150 lb. cylinders
When used as a terrorist weapon, which of the following chemicals is considered a blood
agent?
Hydrogen cyanide
How many individuals are commonly required for a hazardous materials section group
to make a well-coordinated entry and recovery?
Eight to twelve technicians
How do you decontaminate a contaminated entry team member who experiences heat
stress in the hot zone?
Perform emergency decon and then remove clothing
Based on its molecular weight, which one of the following gases will tend to rise in
air?
Acetylene (MW= 26)
Which of the following is considered to be defensive control
operations?
Firefighters in the warm zone performing diking and damming
operations
Prior to beginning offensive operations in the hot zone, adequate resources must
be:
On scene
DOT hazard Class 4 includes:
Flammable solids
Which of the following instruments should you use in a flammable
atmosphere?
Instruments that marked “UL or “FM” approved an intrinsically safe
If you are exposed to a product while on duty, OSHA regulations require that your medical
records be maintained for:
30 years post-employment
Alpha and beta survey meters usually display readings in:
Counts per minute
A floating roof tank is an example of a which of the following:
Atmospheric tank
Ignition temperature refers to:
The temperature at which materials burn without flame.
Of the following ICS positions, which must be established at all hazardous materials
incidents:
Incident Commander
A storage tank with a relief valve is an example of a(n):
Pressure vessel or cylinder
The entry route of chemical exposure for fire fighters is:
Inhalation
Leaking propane or LPG tanks that are not on fire are hazardous situations because
propane vapor:
May cause frostbite with direct skin contact
Air has Molecular weight of:
18
The warfare agent SARIN in an example of a:
Nerve Agent
According to the ERG, a bulk container of liquids holds a maximum of more than
100 gallons
The type of weapon most commonly used by terrorists are:
Explosives
Most materials with a pH of 4 are:
Acidic
Which of the following is true concerning decontamination?
A decontamination area must be set up prior to personnel entering an area with potential for
exposure to hazardous substances.
Diazinon and Malathion are examples of which type of insecticide?
Organophosphates
Simple asphyxiates displace oxygen in the air; chemical asphyxiates:
Prevent the body from using inhaled oxygen
The minimum concentration that a responder or worker could escape without suffering
irreversible harm as a consequence of a 30-minute exposure should his/her respirator fail is
known as:
Immediately Dangerous to Life and Health (ILDH)
Which of the following is not a pressure vessel?
Vertical cone roof tank
What type of facility is characterized by its ball-like appearance and support
legs?
Spherical tank
The OSHA standard that protects workers in hazardous waste operations and emergency
response is _______________?
29 CFR
Of the following which statement is true concerning routes to exposure to chemicals?
The underarm, genital, and jaw area allow greater absorption than do other parts of
the body
The area which serves as the staging are for the backup team which is also beyond the
range of potential contamination is the:
Cold zone
A chemical explosive limits depends on its:
Concentration by volume
Although specific gravity has no unit of measure, it does have value relative
to:
The weight equal to water
Which of the following statements is true regarding the hazard identification phase of pre
incident planning:
Transportation routes, as well as fixed sites should be identified
OSHA’s hazard communication standard is a(n):
Employees’ right to know law, to understand chemicals they may be exposed to.
DOT Hazard class 1 includes:
Explosives
The minimal process of considering all available factors that will immediately affect the
incident and the course of operation in known as:
Hazard assessment
If the specific gravity of a known substance is released into a pond is 1.3, the product
will:
Sink in water
UN identification numbers indicate that a chemical may be shipped:
Internationally
