Hazardous Materials for First Responders Flashcards
Substances that possess harmful characteristics are called
Hazardous Materials in the United States.
Dangerous goods in Canada and other counties.
What is the name to cause to become less harsh or hostile
Mitigate
NFPA 1072
Standard for hazardous materials/ weapons of mass destruction emergency response personnel professional qualifications
NFPA 472
Standard for competence of responders to hazardous materials/ weapons of mass destruction incidents
NFPA 473
Standard for competencies for EMS personnel responding to hazardous materials/ weapons of mass destruction incidents
Hazmat acronym incident model
APIE
Analyze, Plan, Implement, Evaluate
Awareness Personnel are not responsible
Planning the response to a hazmat incident
Condition substance, or device that can directly cause injury or loss, the source of the risk.
Hazard
Short term effect that appeared within hours or days, such as vomiting or diarrhea
Acute health effects
Long term effects that may take years to appear, such as cancer
Chronic health effects
Effects can possibly take years from exposure to chemicals, agent , or substance this delay is called
Latency period
Was first used in the US in the early 1900s to insulate steam engines
Asbestos
Us government began regulating Asbestos in the
1920s
Pathways by which Hazardous Materials get into or effect the human Body
Routes of Entry
Routes of exposure
Most common exposure Route
Inhalation
Areas where human skin is the thinnest
Eyes, nose, mouth, wrist, neck, ears, hands, groin, and underarms
Primary routes by which hazardous substances enter the body?
Inhalation
Ingestion
Absorption
Injection
Tolvene
Solvent
Three mechanism of harm
Energy
Release
Corrosivity
Toxicity
The Acronym to categorize the types of harm caused by hazardous Materials
(TRACEM) Thermal hazard Radiological hazard Asphyxiation hazards Chemical hazards Etiological/ biological hazards Mechanical hazards
This type of hazmat incident presents the greatest threat
Energy Release
What are the six types of Energy Release
Heat Mechanical Pressure Electricity Chemical Radiation
Four main agencies involved in the regulation of hazardous materials and: or wastes the federal level are
Department of Transportation
Environment Protection Agency
Department of Labor
Nuclear Regulatory Commission
Many hazardous materials incidents occur while
Are being Transported “Highway”
How long today’s flammable gas railcars thermally protected against exposure to a 1600 F fire
100minutes
What is released when a hazardous materials undergo chemical reaction
Chemical energy
To meet criteria for bulk packaging one of the following must be met
- Maximum Capacity >119 gallons for liquid
- Max net mass >882lbs or max>119 gallons as for solids
- Water capacity is 1001lbs or greater as a receptacle for gas.
Examples of non bulk packaging.
Drums, boxes, carboys, and bags
Packages with an outer packaging and an inner receptacle
Composite packages
Multiple packages grouped together in a single outer container
Combination packages
Liquid reaches its boiling point vapor fills container raising the pressure beyond containable limits
Bleve Process
Opening that is large enough to admit a person into a tank trailer or dry bulk trailer
Manway
Gas that is converted into a liquid by being cooled below -130 F
Cryogenic
Any material that readily yields oxygen or other oxidizing gas, or that readily reacts to promote or imitate combination or combustible materials
Oxidizer
Cryogenic contents
Liquid oxygen Nitrogen Helium Hydrogen Argon Liquified natural gas
Common liquid containers
Bottles Gasoline containers Paint Pails Drums
Which comprises the largest class by volume in the industry
Corrosives
An Agency that overseas the natural nuclear security administration
Department of Energy
Name Hazardous Solids
Dust
Powders
Small particles
Boric Acid and Sodium hydroxide are ?
Corrosive Solids
Small air-born particles that burn and can cause a dust explosion if ignited in an enclosed location are
Grain, Flour, Sugar, coal, Metal, Sawdust
Radioactive material is shipped in five types of packaging
Excepted Industrial Type A Type B Type C
Only used to transport materials with extremely low levels of radioactivity
Excepted
A container that transports laboratory samples and smoke detectors
Industrial
Packages used for high activity materials plutonium transported by aircraft.
Type C
Transport over 90% of the worlds cargo
Marine Vessels
Diamond shipped signed that is mounted to each side of a structure for hazardous materials
Placard
Labels are designed for
NON bulk packages
Placards are designed for
Bulk packages
Under the United Nations(UN) System ___________ classes are used to categorize Hazardous Materials
Nine Hazards Classes
What are the nine hazards classes
Class 1 - explosive
Class 2- Gases
Class 3 - Flammable Liquids
Class 4 - Flammable solids spontaneous
Class 5 - Oxidizing Substance and organic peroxide’s
Class 6- Toxic and infections Substance
Class 7- Radioactive Materials
Class 8- Corrosive Substance
Class 9- Miscellaneous dangerous substance and articles
A placard is not required for shipments of _________other regulated materials for domestic transport only (ORM-Ds)
Infections Substances
Which hazard does not have a specific background color on the NFPA 704 placard
Special
The placard Labeled “Dangerous”is for
Contains non-bulk packages with two or more categories of hazardous materials that requires different placards
Class 7 Radioactive Labels must alway’s
Contain text
NFPA 704
Hazmat materials at fixed storage facilities
NFPA 704 diamond does not tell
What chemical or chemicals may be present in specific quantities
NFPA 704 system uses a rating system of numbers from
0 to 4
Note : 0 being minor to a 4 indicates a severe hazard
NFPA 704 diamond will relay the
Worst Hazard level in each category on site not all the same material.
Safety data sheets were formerly known as
Materials safety data sheets
Where do most oil spills occur according to statistics
Port
Which class labels must always contain text?
Class 7 radioactive
Hazardous Materials Information System is a
Proprietary system developed by the American coatings association same or similar to the 704 system
CAS Numbers
Chemical Abstract Service Number assigned by the American Chemical Society. This number Uniquely identifies a specific compound.
What are the two signal words to indicate the relative severity of a hazard by GHS
“Warning - Less Severe
“ Danger - More Severe
In what form are all riot control agents
Solids
Bill of lading used for
Shipping paper used by the trucking industry
Matter is found in three states
Gas
Liquid
Solid
Per the ERG book what are the initial isolation distances based on the involved product state of Matter
Solids- 75 ft
Liquids- 150ft
Gases- 330 ft
1 and 2 ton quantities of chlorine and Anhydrous ammonia released do what?
Both initially spread in a 360 degree radius before being dispersed downwind in some situations.
Name some corrosive gases
Bromine
Chlorine
Anhydrous Ammonia
Definition of a Micron
Unit of length equal to one millionth of a meter
Sublimate/ Sublime
Transition directly from a solid to gas.
Is the temperature at which a liquid changes to a gas at a given pressure
Boiling Point
Note : usually expressed in Degrees Fahrenheit
In which state(s) will you encounter corrosives ?
Solids or liquids
BLEVE ?
Boiling liquid expanding vapor explosion also called violent rupture
Solid substance changes to a liquid state at normal atmospheric pressures
Melting point.
The temperature at which a liquid will boil at sea level
Boiling point
Characteristics of high pressure tanks ?
Guard cage around the bottom loading/unloading piping
Emergency shut-offs
Bolted man way
What is called that changes directly from a solid into a gas without going into a liquid state in between ?
Sublimate
Weight of a given volume of pure vapor or gas compared to the weight of an equal volume of dry air at the same temperature and pressure
Vapor density
All_____ and _______ will mix with air, but lighter materials(unless confined) tend to rise and dissipate?
Vapors and Gases
What are hydrocarbons
Gasoline
Diesel
Pentane
All Combines with water
Polar Solvents
Alcohol
Methanol
Methyl ethyl ketone
Combines with water, the two liquids mix.
How do most railroad companies count and list their train cars on the train list?
Front to rear
Incapable of being mixed or blended with another substance
Immiscible
Describes the ability of two or more gases or liquid to mix with or dissolve into each other?
Miscibility
A major component of gasoline
Heptane
Measure of thickness or flow ability of a liquid at a given temp?
Viscosity
Length of time a chemical agent remains effective without dispersing
Persistence
Additive added to natural gas.
Rotten eggs or sewage
Mercaptan
Ratio of the density(mass per volume) of materials to the density of a standard material usually an equal volume of water standard conditions of pressure and temperature
Specific Gravity
Never use ____________to determine a safe or unsafe areas
Odors
Enough vapors to support continuous burning
Fire point
A materials fire point is usually only a few __________ higher than its flash point.
10-30 degrees Celsius
liquids that have low flash points and burn easily are designated as
Flammable liquids
Liquids with higher flash points that do not burn as easily are called
Combustible Liquids
The term inflammable means the same as
Flammable
The minimum temperature to which the fuel (other than a liquid) in air must be heated to self sustained combustion without independent ignition source
Auto ignition temperature
(
Which is the colorless, Flammable, and toxic gas that is a byproduct of the Red P meth production process?
Phosphine
Concentrations if there is too little air the mixture is too
Too lean to ignite
Too much flammable vapor or gas the mixture is called
Too Rich to ignite
Corrosives are commonly divided into two broad categories
Acids and Bases
Bases are sometimes called
Alkalis or Caustics
A corrosive that is neither a acid nor a base
Hydrogen peroxide
Any chemical that ionizes ( detaches) to yield hydrogen ions (hydronium) in water
Acid
Bases have PH values of
7.1 to 14
Acids have PH values of
0 to 6.9
Reaction between an alkaline and fatty acid that produces soap
Saponification
What is the most commonly transported via IM 102 portable tanks
Food commodities
Four elements necessary to produce combustion
Oxygen
Fuel
Heat
Chemical chain reaction
Fuel that is being oxidized or burned during combustion is called ?
Reducing Agent
The least energetic form of radiation such as visible light and radio waves?
Nonionizing radiation
The most energetic and hazardous form of radiation is?
Ionizing radiation
Name four types of Ionizing radiation ?
Alpha
Beta
Gamma
Neutron
On general Decon operations: Where should a medical triage and treatment area be established ?
Just outside Decon zone.
p. 506
To which part of the container will mechanical stress particularly affect in Accidents ?
Fittings
Note: Severe accidents may cause damage to container walls.
p. 228
What type of cracking is associated with BLEVEs
Runaway cracking
p. 229
NFPA uses the term pressure tank to cover both?
Low pressure storage tanks and pressure vessels(with higher pressures).
P. 229
Per NFPA definitions, low pressure storage tanks have operating pressure from
0.5 to 15 psi
P. 229
Pressure vessels(including many large cryogenic liquid storage tanks) have pressures of
15 psi or greater
p. 229
Is the temperature at which a liquid changes to a gas at a given pressure?
Boiling point
Boiling point is the temperature at which a liquid will boil at sea level
p. 147
Is the temperature at which a solid substance changes to a liquid state at normal atmospheric pressure?
Melting point
p. 146
What system was created in an effort to create a world-wide, universal chemical hazard communication and container labeling?
Global Harmonized System of Classification and Labeling of Chemicals (GHS)
p. 728
The unit leader does not don a chemical protective suit unless the situation indicates that a suit is required to properly supervise the units operation. What are the following situations that would require to don a suit?
. Entry team would not be inline of sight.
. Incident requires a complex entry team operations.
. Operation requires several entry teams.
Note: add additional personnel to maintain line of sight of entry teams.
Describe the different types of Penetrating Power of radiation?
1) Alpha- stopped by skin.
2) Beta - stopped by clothing/ aluminum.
3) Gamma- Bone & Lead
4) Neutron- Concrete
p. 169
Alpha and Beta emitters are generally more hazardous when?
Inhaled or ingested.
Weightless packet of electromagnetic energy such as x-rays or visible light?
Photon.
p. 165
Particles that have a physical mass but have no electrical charge?
Neutron
P. 165
The effects of ionizing radiation occur ?
At the cellular level.
p. 162
(RAM) Radioactive Materials
Emit ionizing radiation.
p. 165
What are the protection measures from radiation
Time, distance, and shielding.
The degree to which a substance causes harm within the body is called?
Toxicity
p. 170
Damage spread through an entire body system?
Systemic Effect.
p.120
Asphyxiants can be divided into two classes?
Simple asphyxiants
Chemical asphyxiants
p. 172
Simple asphyxiants are ?
Gasses that displace oxygen.
p. 172
Chemical asphyxiants are ?
Materials that prohibit the body’s cells from using oxygen.
p. 172
What are three of the more common products of combustion ?
Carbon monoxide (CO) Hydrogen Cyanide (HCN) Carbon Dioxide ( CO2 )
Carbon monoxide (CO) is a
Byproduct of the incomplete combustion of organic( Carbon containing materials.
p. 174
Hydrogen Cyanide (HCN)
Produced in the combustion of materials containing nitrogen.
Note: polyurethane foam IE furniture and bedding.
Has a bitter almond smell
Gas state temps above 79 F
Carbon dioxide (CO2)
Product of COMPLETE combustion of organic materials.
Waste product of aerobic metabolism.
Anthrax is a type of
Bacteria
Rickettsias
Bacteria smaller than most bacteria ticks, fleas, other Arthropods.
What are the primary hazards of explosives?
Thermal and Mechanical
p. 179
What are the primary hazards of flammable and combustible liquids are ?
Energy, Corrosivity, and Toxicity.
What is it called when a hot liquid fuel transfers heat energy to a colder, more volatile liquid fuel?
Vapor Explosives
p. 183
Oxidizers are?
Typically Solids or Aqueous.
Which phase of an explosive is typically less destructive?
Negative
p.180
What burns when a material has reached its flash point?
Vapors only.
What is the baseline measurement for pressure?
Atmospheric pressure.
- 7 psi
p. 146
What is the measure of the thickness of flowability of a liquid at a give temperature ?
Viscosity
p. 152
A container stress is caused by
Thermal, energy, chemical, and mechanical.
p. 213
The appearance of frost is an indicator that a container is under what kind of stress?
Thermal Stress
p. 213
What are the common causes of mechanical stress on containers
Collision, impact , or internal pressure.
What type of release is a semicircular or dome-shape pattern of an airborne hazard material that still partially in contact with ground or water
Hemispheric Release
p221
Common breaches of solids-holding containers include
Punctures, Splits, and Tears.
p.233
What are the other names for Pressure tanks?
Pressure containers and Pressure vessels
p. 234
Pressure tanks have pressures of ?
15psi or greater
p.234
What kind of paint are Horizontal Pressure vessels painted?
White or some other highly reflective color
Atmospheric underground storage tanks will have more than ______of their surface areas underground.
10%
Horizontal propane tanks buried underground have capacities of
500 to 1000 gallons
What are the two specifications in use for Highway transports?
MC standard and DOT/TC standards
IE. Mc306 - DOT TC 406
Most DOT/TC -412s do not have a
A shut off valve
p. 248
What do cargo trailer transport
Solids - Oxidizers, corrosive solids, Cement, plastic pellets, and fertilizers.
Most usually not under pressure- 15 to 20 psi
p. 251
Compressed gas/ tube trailers have what kind of pressures.
Pressures 2400 to 5000 psi
They can carry helium, hydrogen, methane, oxygen and other gases.
P. 250
RailRoad tank cars are divided into three main categories what are they?
- Low pressure/ General service tank cars.
- Pressure
- Cryogenic Liquid tank cars.
In cryogenic railroad tank cars the combination of insulation vacuum protects the contents from ambient temps for
Only 30 days
p225
Low pressure tank cars capacities
4,000 to 34000
P. 225
What do they call trains that have a continuous block of twenty or more tank cars loaded with flammable liquid or thirty five or more cars loaded dispersed through a train.
High hazard flammable trains( HHFT)
Intermodal tanks capacities do not ordinarily exceed ?
6,340 gallons
Where is the marking that describe the volume in gallons and sometimes liters stenciled on the tank car?
Both ends under the car reporting marks.
p. 261
IM 101 portable tanks carry
They transport both hazardous and non-hazardous materials.
IM 102 carries
Most commonly transport food commodities.
IMO type 7
Cryogenic type tank.
Jack B. Kelly Inc
Tank within a tank
IMO means internationally
International Maritime Organization
P. 269
Ton containers have two valves ?
One that extends into liquid space other valve extends into the vapor space.
P. 271
Radioactive material is shipped in
Five basic types of containers
Radioactive packaging type is determined by?
Activity, type, and form of material being shipped.
273
What are IBCs?
Intermediate bulk containers.
Rigid or flexible
Max capacity is not more than 793 gal. Both called totes
p. 277
A Supersack can carry the equivalent of four to five-
55 gallon drums.
Carboy is a?
Large glass or plastic bottle encased in a basket or box.
20 gallons but 5gallons common.
p.280
(RIBC) Rigid Intermediate Bulk Containers have capcities up to?
400 gallons
Pressures up to 100 psi
What is used to prioritize response objectives?
Available Resources.
p. 311
How many sides of an incident exist at Hazmat incidents ?
Six sides.
p. 295
NFPA and OSHA mandate the use of what at Hazmat incidents?
Buddy systems and backup personnel
p. 341
FBI will establish a control perimeter at__________ Times the distance of the farthest piece of evidence.
1.5 times
At a Hazmat incident termination phase involves two procedural actions?
Post-incident critiques
Post incident analysis.
How do sublimating solids transition ?
Solid to a gas
p. 144
The basic description provided in shipping papers will follow a sequence best remembered by the acronym?
ISHP
I=Identification Number
S= Proper Shipping Name
H= Hazard Class or Division
P= Packing Group
p.99
Shipping Paper Identification types?
Air - Air Bill- cockpit
Highway- Bill of Lading - vehicle cab.
Rail- trainlist/ Consist- Engine OT Caboose.
Water -Dangerous Cargo manifest. - Bridge or Pilot House.
p.99
To assume command at a hazmat incident what level must the IC be trained at?
Operations
p. 327
How many federal USR teams are currently available in the US?
28 teams
p. 334
What is the minimum Number of personnel that should be operating in the hot zone ?
Four- two working and two back up.
p341
Which Branch in the Logistics Sections includes Medical and good Services?
Support
p. 326
What minimizes freelancing at the scene?
Staging Area
A biological Toxin Made from castor beans?
Ricin
p. 367
Within what temperature range is a combustible liquid ?
At or above 100 F and Below 200 F
p. 155
What is the priority at low pressure storage tank incidents?
Eliminating ignition Source
p. 236