Once a hazardous material is identified, it is divided into six basic groups, what are they?
- Material identification information
- Physical properties
- Chemical properties
- Physical hazards
- Health hazards
- Response information
What does collecting information on the hazard, allow an operations level responder to do?
Allows the operations level responder to determine defensive options that can be performed safely, given personnel and equipment.
What does collecting information on the hazard, allow a technician level responder to do?
They not only determine the defensive options, but also whether conducting offensive operations is feasible.
What are hazardous materials classified in accordance to?
Their primary danger. There are 9 standardized symbols to identify the classes and divisions.
What is the major hazard for class 1 hazard?
What is the definition of a class 1 hazard?
Explosives means any substance or article, including device, that is designed to function by explosion or that, by chemical reaction within itself, is able to function by explosion.
What is the major hazard of a 1.1 hazard class and what are some examples?
Mass explosion hazard: one that effects almost the entire population simultaneously
- Black powder
What is the major hazard of a 1.2 hazard class and what are some examples?
Projection hazard: projection hazard but no mass explosion.
- Aerial flares
- Detonation cord
- Power device cartridges
What is the major hazard of a 1.3 hazard class and what are some examples?
Fire hazard: fire hazard and either a minor blast hazard or a minor projection hazard, or both but not a mass explosion.
- Liquid-fueled rocket motors
- Propellant explosives
What is the major hazard of a 1.4 hazard class and what are some examples?
Minor explosion hazard: no device in the division may contain more than 25 g (0.9 oz) of a detonating material.
- Practice ammunition
- Signal cartridges
What is the major hazard of a 1.5 hazard class and what are some examples?
Very insensitive explosives with mass explosion hazard: so insensitive that very little probability of initiation or of transition from burning to detonation under normal conditions of transport
- Prilled ammonium nitrate fertilizer – fuel oil mixtures
- Blasting agents
What is the major hazard of a 1.6 hazard class and what are some examples?
Extremely insensitive no mass explosion hazard: substance and that demonstrate a negligible probability of accidental initiation or propagation.
Explosive squib device (small explosive device that looks like a stick of dynamite but with much less explosives)
What is the major hazard for class 2, compressed gas?
BLEVE (Boiling, Liquid, Expanding Vapor Explosion)
What are some examples characteristics of compressed gas?
What is the hazard class of a 2.1 hazard class and what are some examples?
Flammable Gases: any material that is a gas at 20o C and is ignitable when it is in a mixture of 13% or less by volume with air.
- Inhibited (stabilized) butadiene’s
- Methyl chloride
What is the hazard class of a 2.2 hazard class and what are some examples?
Non-flammable, non-poisonous compressed gas: a compressed gas that exerts an absolute pressure of 280 kPa at 20o It includes cryogenic liquids which are refrigerated and liquefied gases that have a boiling point colder than -90o C.
- Anhydrous ammonia
- Cryogenic argon
- Carbon dioxide
- Compressed nitrogen
What is the hazard class of a 2.3 hazard class and what are some examples?
Poisonous gases: gases that vaporize very easily and can be very dangerous to life in small amounts. It is known to be so toxic to humans that it poses a hazard during transportation or it has an LC50 no more than 5 000 ppm.
- Anhydrous hydrogen fluoride
- Arsine chlorine
- Methyl bromide
What does a class 2 flammable placard look like?
Red background with white flame (2.1)
What does a class 2 nonflammable placard look like?
Green background with white cylinder (2.2)
What does a class 2 oxidizer placard look like?
Yellow background with a flaming “O”
What does a class 2 poisonous placard look like?
White background with skull and cross bones.
What is the major hazard, definition, and some examples of a flammable liquid? Placard?
- Major Hazard: burns readily
- Definition: flammable liquids are liquids that have a flash point no more than 60o C
- Amyl acetate
- Methyl alcohol
Placard: red background, white background with words flammable on it
What is the definition, and some examples of a combustible liquid? Placard?
Definition: a liquid that does not meet the definition of any other class and has a flash point above 60o C (140o F) and bellow 93o C (200o F)
- Mineral oil
- Peanut oil
- 6 fuel oil
- Pine oil
- Plastic solvent
Placard: red background, white flame with word combustible
What is the major hazard for class 4 flammable solids?
Rapid combustion that releases mass quantities of toxic smoke.
What is the hazard class of a 4.1 hazard class and what are some examples? What are three types of material for it?
- Flammable Solid:
- -Desensitized explosives (explosives wetted enough to suppress explosive properties)
- -Self-reactive material
- -Readily combustible solids
Red and white vertical stripes
What is the hazard class of a 4.2 hazard class and what are some examples?
- Spontaneously Combustible Material:
- -Pyrophoric material (ignites within 5 min of being in contact with air)
- -Self-Heating Material (self-heats in contact with air)
- Aluminum alkyls, charcoal briquettes, magnesium alkyls, phosphorus
White top, red bottom, black flame
What is the hazard class of a 4.3 hazard class and what are some examples?
Dangerous when wet materials: spontaneously flammable or gives off flammable or toxic gas at a rate greater that 1 L/kg per hour.
- Calcium carbide, magnesium powder, potassium metal alloys, sodium hydride
Blue background, white flame, says dangerous when wet
What is the major hazard for hazard class 5.1?
Oxidizer: supports combustion, intensifies fire
What is the major hazard for hazard class 5.2?
Organic Peroxide: unstable / reactive explosions
What is hazard class 5.1 and what are some examples?
Oxidizer: generally enhances fire by yielding oxygen
- Ammonium nitrate
- Bromine trifluoride
- Calcium hypochlorite
What is hazard class 5.2 and the 4 types needed to know for the test?
- Organic Peroxide:
- Type A - organic peroxides that can detonate or deflagrate rapidly as packaged for transport (forbidden)
- Type B – organic peroxide that neither detonates or deflagrate rapidly but can undergo thermal explosion
- Type C - organic peroxide that neither detonates or deflagrate rapidly and cannot undergo thermal explosion
- Type D - organic peroxide that detonates partially or deflagrate slowly with medium to no effect when heated under confinement
- Dibenzoyl peroxide, methyl ethyl ketone (peroxide) and peroxyacetic acid
What is the major hazard for a class 6?
(Poison) Toxicity and infectious
What is the hazard class of a 6.1 hazard class and what are some examples?
Poisonous Materials: other than a gas, known to be toxic to humans during transport OR in absence of adequate data on human toxicity
- Aniline, arsenic compo unds, carbon tetrachloride tear gas, hydrocyanic acid
What is the hazard class of a 6.2 hazard class and what are some examples?
Infectious Substance: Materials known to contain pathogens.
Examples: Anthrax, botulism, rabies, tetnus
What is the major hazard for class 7?
(Radioactive) Radioactive burns
What is the definition of class 7?
Any material containing radionuclides where both activity and concentration in consignment exceed specified values. (0.002 microcuries per gram)
What are examples of class 7 hazard?
- Uranium hexafluoride
- Yellow cake
What is the major hazards of class 8?
(Corrosives) Burns and emulsification
What are examples of class 8 hazards?
- Nitric acid
- Phosphorus trichloride
- Sodium hydroxide
- Sulfuric acid
What is the definition of class 9 hazard?
- Any material that has anesthetic, noxious properties that can cause annoyance or discomfort to flight crew.
- Material not included in other hazard classes but is subject to DOT requirements
What are examples of class 9 materials?
- Adipic acid
- Molten sulfur
Any material that presents ahazard during transportation due to its form, quantity, or packaging.
- Example: consumer commodities and small arms munitions
- No placards required
What is a dangerous placard used for?
What is the identification number?
AKA Kemlar code, it a four digit number on placards used to cross refrence with ERG.
What are the types of assistance provided by CHEMTREC / CANUTEC / SETIQ and local, state, and federal authorities?
It is to help emergency service personnel responding to emergencies involving unfamiliar hazardous material. It is immediate advice by telephone and contacts the shipper for detailed assistance.
What kind of information do responders need?
- Brief and to the point
- Easily understood
- Readily accessible
- From recognized source
What is the standard procedure for CHEMTREC?
They confirm that chemical emergency exists
Detailed recording in writing and tape
Provides immediate technical assistance (Won’t give additional information that is not prewritten)
What are methods of contacting the manufacturer?
- CHEMTREC / CANUTEC
- Information on SDS
- Information on shipping papers
What type of assistance support is included from local, state, and federal authorities (what are law enforcement missions)?
- Scene security
- Crime scene preservation
- Evidence collection
- Other law enforcement missions