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144 Cards in this Set

  • Front
  • Back

Alpha, Beta, Gamma, and Neutron are all what

The four types of ionizing radiation








The six types of Haz Mat Hazards


Chemical, biological, radiological, nuclear, and explosive

(WMDs) Particularly dangerous Haz Mat

Length of time a chemical agent remains effective without dissipating


Ability to remain in the environment


Contact with a hazardous material, causing biological damage; typically by swallowing, breathing, or touching

May be acute or chronic


Bomb or other weapon that targets responders and bystanders who are already at the scene of am incident

Secondary Device

Multiple fires or explosions

Propane or other flammable gas cylinders in unusual locations

Unattended packages/backpacks/objects left in public areas

Explosive/Incendiary Attack Indicators

Stencil on the exterior of a tank car indicating the standards to which the tank car was built; may also be found on international containers and cargo tanks

Specification Marking

Substance that slows down or prevents a chemical reaction; also known as a stabilizer


Unlawful force or violence against people or property to coerce or intimidate a government or its citizens, for social or political purposes


Laboratory that produces illegal or controlled substances, such as drugs, explosives, biological, agents, or chemical warfare agents

Illicit/Illegal Clandestine Laboratory

Glowing material

Material that is hot without any sign of external heat source

Suspicious packages that weigh more than they should

Radiological Attack Indicators

Temperature at which a liquid begins to boil, and vapor pressure is greater than atmospheric pressure. The evaporation exceeds condensation.

More liquid is turning to gas than liquid

Boiling Point

Transmittable; able to infect people


Cylindrical container of about 5 to 15 gallons used for pure or corrosive liquids. Made of glass, plastic, or metal, with a neck and sometimes a pouring tip, cushioned in a wooden box, wicker, basket or special drum


Easily transmitted from one person to another either through contact or close proximity


Density of a substance compared to density of some standard material

If a material will float or sink in water

Specific Gravity

Government mandated warning on the labels of hazardous products


Signal Word

An illicit clandestine laboratory that produces methamphetamine

Meth Lab

Radiation that causes a chemical change in atoms by removing their electrons

Ionizing Radiation

Any material that is injurious to health when taken into the body


Number stenciled on the exterior of a tank car to indicate the volume of the tank

Under the Reporting Marks

Capacity Stencil

Manual that identifies HAZMAT labels/placards; also outlines initial action guidelines to be taken at incidents.

Developed jointly by U.S., Mexico, and Canada transportation agencies.

(ERG) Emergency Response Guidebook

Diseases do not normally occur in the geographic area

Large numbers of people with flu-like symptoms outside of flu season

Unusual spraying activity

Biological Attack Indicators

Energy waves composed of oscillating electric and magnetic fields traveling at the speed of light; examples include visible light, radio waves, microwaves, infared radiation, and ultraviolet radiation.

The least energetic type of radiation

Nonionizing Radiation

Usually supplied by heat but can also come from radio waves, shock waves, radiation, or a pressure change

Energy that starts a chemical reaction when added to an atomic or molecular system

Activation Energy

Materials that readily give off large amounts of oxygen; producing a strong reaction by readily accepting electrons from a reducing agent

Strong Oxidizer

Weightless packet of electromagnetic energy, such as x-rays or visible light


Hazards that prevent the body from absorbing oxygen

Asphyxiation Hazards

Something that modifies a chemical reaction (usually increases) without being consumed in the fire


Measure of a substance's tendency to evaporate

Vapor Pressure

The way hazardous materials enter the body; inhalation, ingestion, skin contact, injection, absorption, and penetration

Routes of Entry

Inhalation, Ingestion, Contact, Absorption

The Four routes of entry for Haz Mat

Describes the typical sequence of events at an incident, broken into six stages


General Emergency Behavior Model

Stress, Breach, Release, Dispersion, Exposure, Harm

Six stages of GEBMO

Thermal, Chemical, or Mechanical


The first stage of GEBMO

Disintegration, runaway cracking, puncture, split or tear, attachments open or break


The second stage of GEBMO

Detonation, violent rupture, rapid-relief, spill or leak


The third stage of GEBMO

Cloud, cone, hemispheric, plume, pool, stream, irregular


The fourth stage of GEBMO

Dispersed material come into short, medium, or long term contact with people


The fifth stage of GEBMO

Some exposures may be harmful to people and/or the environment


The sixth stage of GEBMO

Biological safety cabinets, or improvised setups using plastic sheeting, plexiglas, duct tape, and fans. Glove ports built into the sides of box

Glove Box

The weight of pure vapor or gas compared to an equal volume of dry air, at the same temperature and pressure

Vapor Density

Toxic chemical that is produced in large quantities. They are intended for industrial use but can be used by terrorists to cause deliberate harm. At least 30 million tons per year


Toxic Industrial Material

AKA Toxic Industrial Chemical

Percentage of a material that dissolves in water at ambient temperature


Condition, substance, or device that can directly cause injury or loss; the source of a risk


Short-term conditions that appear within hours or days, such as vomiting or diarrhea; often after exposure to a hazardous substance

Acute Health Effects

Long-term conditions that may take years to appear. Often resulting from exposure to hazardous materials

Chronic Health Effects

Thermal, radiological, asphyxiation, chemical, etiological/biological, mechanical


Positively charged __________ are emitted from the nucleus of heavy radioactive elements

Lose energy rapidly when traveling through matter

Very harmful if ingested or inhaled

Stopped by skin/paper

Alpha Radiation

Form provided by chemical manufacturers and blenders; contains info about chemical composition, physical and chemical properties, health and safety hazards, emergency response procedures, and wasted disposal procedures


Safety Data Sheet

AKA Material Safety Data Sheet

Homemade bomb that is not deployed in a conventional military fashion


Improvised Explosive Device

Ability of a substance to chemically react with other materials


Electromagnetic Pulse

Mushroom Cloud

Nuclear Attack Indicators

The gradual inability to detect odors after initial exposure

Can be extremely rapid with some toxins

Olfactory Fatigue

Damage spread through an entire system; opposite of a local effect, which is limited to a single action

Systemic Effect

Substance that can be dangerous to human health or the environment if not properly controlled

Hazardous material


Ability of a liquid or solid to mix with or dissolve in water

Water Solubility

Florinated phosphinate that attacks the central nervous system

Classified as a chemical warfare agent



Shipping paper that describes the cargo, origin, destination, and route; used in trucking and other industries, and typically placed in the cab of every truck tractor. Establishes the terms of a contract between shipper and carrier

Bill of Lading

Ability of a substance to chemically react with other materials, and the speed with which that reaction takes place.


Quantity of radiation energy absorbed into the body

Radiation Dose

Burst of electromagnetic energy produced by a nuclear explosion

Damage electronic systems by causing voltage and current surges


Electromagnetic Pulse

Conventional high explosives wrapped with radioactive materials; designed to spread radioactive contamination over a wide area


Radiological Dispersal Device

AKA Dirty Bomb

Subatomic particle that possesses a positive electric charge


Chemicals that kill insects by disrupting their central nervous systems. Having the same effect on humans, they are sometimes used in terrorist attacks

Organophosphate Pesticides

Most common at medical centers, nuclear power plants, research facilities, and transportation incidents

Radiological Hazards

Hazards that involve extreme heat or cold

Thermal Hazards

Chemical warfare agent that attacks the lungs, causing tissue damage

Choking Agent

Process of being spread widely


Temperature at which vapor pressure is equal to or greater than atmospheric pressure

Boiling Point

Gases that convert to liquids when cooled at or below -130 degrees


AKA Refrigerated Liquids and Cryogenic Liquids

Elevated temperature

-can cause lethal burns, create fire and steam explosions

Low temperature

-absorb heat so quickly they can feeze nearby objects

Two types of thermal hazards

Electronically powered machine that turns liquid medication into a mist


Colorless, flammable, and toxic gas with an odor of garlic or decaying fish

Ignites spontaneously on contact with air

A respiratory tract irritant that attacks the cardiovascular system, causing pulmonary edema, peripheral vascular collapse, and cardiac arrest and failure


Material that meets any of the following criteria during transport:

in a liquid phase, at or above 212 degrees

intentionally heated at or above its liquid phase flash point of 100 degrees

in a solid phase, at or above 464 degrees

Elevated-Temperature Material

Weapon or device that can cause death or serious injury to a large number of people; may include chemical, biological, radiological, nuclear, or explosive type weapons


Weapons of Mass Destruction

Chemical that severely corrodes steel and damages human tissue

Corrosive Material

Subatomic particle that possesses a negative electric charge


Harmful viruses and bacteria; when used deliberately

Etiological/Biological Hazards

Combination of letters and numbers stenciled on rail tank cars that may be used to get information about the car's contents from the railroad or shipper

Reporting Marks

AKA Railcar Initials and Numbers

Chemical substance intended for use in warfare or terrorist activity

Designed to kill injure, or incapacitate

Chemical Warfare Agent

Hazards that cause injury through blunt physical force

Mechanical Hazards

Device that uses high pressure steam to sterilize objects


Atom that has lost or gained an electron, giving it a positive or negative charge


Microorganisms that cause severe illness or disease

Etiological/Biological Hazards

Casualties distributed downwind or near ventilation

Unexplained odors or tastes that seem inappropriate for the location

Unexplained patterns of sudden, similar, nontraumatic illness or death

Chemical Attack Indicators

Chemical reaction in which two or more molecules combine to form larger molecules; this reaction can often be violent


Alternate term for hazardous materials, used in Canada and other countries

U.S. or Canadian term for hazardous materials aboard an aircraft

Dangerous Goods

Alpha, Beta, Gamma, and Neutron

Four types of Ionizing Radiation

1 Location and Occupancies

2 Container types and shapes

3 Transport placards, labels, and markings

4 Other nontransport markings and colors

5 Written resources

6 Senses

7 Monitoring and detection devices

Identifying Haz Mats

Numbered in order for two reasons:

Difficulty to detect and Risk to firefighters

13 Chemicals Lighter than air

Hydrogen, Helium, Hydrogen Cyanide, Hydrogen Fluoride, Methane, Ethylene, Diborane, Illuminating Gases, Carbon Monoxide, Acetylene, Neon, Nitrogen, Ammonia



pH values from 8-14

Typically does not cause immediate pain but can cause severe eye damage because they adhere to the tissue


AKA Alkalis or Caustics

Chemicals that breakdown/ionize in water to yield hydrogen atoms

pH values of 0-6.9

Typically causes immediate pain and possible severe burns


Chemicals that cause permanent damage to anything they touch

Two broad categories Acids/Bases

Corrosivity levels are expressed in terms of pH


Injury at the site where toxic chemicals contact the body, typically the skin, and the mucus membrane of the eyes, nose, mouth, and respiratory tract

Local Toxic Effects

Alpha- Paper/Skin

Beta- Clothing/Aluminum

Gamma- Bone/Lead

Neutron- Passes through the body/concrete

Penetrating Powers of Radiation

Materials that include molten sulfur and molten aluminum, which are typically shipped at 1300 degrees

Elevated-temperature materials

Liquefied gases become partially liquid at what temperature

70 degrees

Cryogens are gases that turn into liquid at or below what temperature and psi

-130 degrees and 14.7psi

Explain the pH scale

0-6 Acids

7 Neutral Distilled Water

8-14 Bases

Specialized bacteria spread by infected fleas, ticks, and lice. They respond to antibiotics. But like viruses, they reproduce only in living cells


Produced by living organisms, even though the organism itself is usually not harmful. For example, ricin is a lethal toxin derived from castor beans.

Biological Toxins

Blast-Pressure Wave

Shrapnel Fragmentation

Seismic Effect

Mechanical Hazards

Cloud, Cone, Hemispheric, Irregular, Plume, Pool, Stream

CCHIPPS acronym to remember the seven common dispersion patterns

Maximum capacity is greater than 119 gallons as a receptacle for a liquid

Maximum net mass is greater than 882 lbs or maximum capacity is greater than 119 gallons as a receptacle for a solid

Water capacity is 1001 lbs or greater as a receptacle for a gas

Bulk Packaging Must Meet at Least One

If these tanks are storing any product, they will normally have a small amount of pressure up to 0.5 psi inside

Non-pressure or Atmospheric Tanks

These tanks are divided into:

Low-pressure & Pressure tanks/vessels

Pressure Tanks

Storage tanks that have pressures between 0.5 psi and 15 psi

Low-Pressure Tanks

One of the two types of pressure tanks

Storage tanks that have pressures above 15 psi

Pressure Tanks

U.S. Department of Transportation, Transport Canada, Ministry of Communications and Transport (Mexico)

Transportation Placards, Labels, and Marking Clues



1 Designated at 6 o'clock on placard

U.S. Placard Classes and Divisions

Class 1

Blast Pressure Wave, Shrapnel Fragmentation, Incendiary Thermal Effect, Seismic Effect, Chemical Hazards, Ability to self-contaminate with age, Sensitivity to shock and frictioin

Hazards of Explosives

Primary Hazards are thermal and mechanical

DOT defines as a material that has a vapor pressure greater than 43.5 psi at 122 degrees or is completely gaseous at 68 degrees at a standard pressure of 14.7 psi





2 Designated at 6 o'clock on placard

Class 2: Gases

Thermal, asphyxiation, chemical, and mechanical

Potential Hazards of Gases


Division 2.1 Flammable Gas


Division 2.2 Non-flammable, Non-poisonous Gas


Division 2.3 Gas Poisonous by Inhalation


Oxygen Placard

Generally a liquid having a flash point of not more than 140 degrees or any material in a liquid state with a flash point at or above 100 degrees that is intentionally heated and offered for transportation or transported at or above its flash point in a bulk packaging


3 Designated at 6 o'clock on placard

Class 3: Flammable and Combustible Liquids

Lethal Concentration


Lethal Dose


Thermal, asphyxiation, chemical, and mechanical

Hazards of Flammable and Combustible Liquids

May be extremely difficult to extinguish

Divided into three divisions

Red/White Vertical Stripes

White Upper/Red Lower


4 Designated at 6 o'clock on placard

Class 4: Flammable Solids, Spontaneously Combustible Materials, and Dangerous When Wet Materials

Divided into two divisions


Red Upper/Yellow Lower

5 Designated at 6 o'clock on placard

Class 5: Oxidizers and Organic Peroxides

Hazards include fires and explosions

Thermal, Explosive, Chemical hazards, Ignition of Combustibles

Hazards of Class 5 materials


6 Designated at 6 o'clock on placard

Class 6: Poison (Toxic) and Poison Inhalation Hazard

Packing Group 1 Indicates

Great Danger

Packing Group 2 Indicates

Medium Danger

Packing Group 3 Indicates

Low Danger

Yellow Upper/White Lower

7 Designated at 6 o'clock on placard

Class: 7 Radioactive Materials

White Upper/Black Lower

8 Designated at 6 o'clock on placard

Class: 8 Corrosive Material

White and Black Vertical Striped Upper/White Lower

9 Designated at 6 o'clock on placard

Placard With the Signal Word "Dangerous" on it

Class: 9 Dangerous Goods

Label with an all white background color that indicates that the external radiation level is low and no special stowage

Radioactive 1 Label

Bottom: UN number

Top: Class

International Intermodal Container/Tank Markings

Blue: Health on Left

Red: Flammability on Top

Yellow: Instability on Right

White: Additional Info on Bottom

0-4 on all sides; 0 being Minimal and 4 being most severe

NFPA 704 System Placards

Minor health effects, such as eye or skin irritation

Signal Word


Moderate hazards, such as significant health effects or flammability

Signal Word


Highest degree of hazard, used for products with severe or deadly health effects, or products that explode when exposed to heat

Signal Word


Required in addition to Danger on the labels of highly toxic materials

Signal Word


Salivation, Lacrimation, Urination, Defecation, Gastrointestinal upset, Emesis, Miosis

SLUDGEM acronym used to remember the symptoms of exposure to chemical warfare agents

Defecation, Urination, Miosis and Muscular twitching, Bronchospasm, Emesis, Lacrimation, Salivation

DUMBELS acronym used to remember the symptoms of exposure to chemical warfare agents

For every pound of meth produced approximately how many pounds of hazardous waste is generated

6 pounds