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Hazard Class
Hazard Class II
Hazard Class III
Properties I
Properties II
100
Flammable & Combustible liquids belong to this Hazard Class
What is Class 3?
100
Any material that is not included in any other hazard class, but is subject to the DOT requirements, belongs to this class.
What is Class 9 (Misc)
100
The major hazard of this class is explosion
What is Class 1 (Explosives)
100
The temperature of a substance when the vapor pressure exceeds atmospheric pressure and the liquid turns into a gas at the surface.
What is boiling point.
100
Has a stable, specific shape and a definite volume.
What is a solid.
200
This hazard class contains materials that cause irreversible alterations in human skin tissue at the site of contact.
What is Class 8 (Corrosives)?
200
Propane falls under this hazard class and division
What is Class 2.1 (Flammable gases)
200
These kinds of materials make up Hazard class 5.2
What are Organic Peroxides
200
The temperature at which a liquid will give off sufficient vapors that will ignite readily given an ignition source.
What is Flash Point
200
The ratio of the weight of a liquid or solid as compared to an equal amount of water is considered an objects...
What is specific gravity
300
Materials in this class enhance the combustion of other materials.
What is Class 5.1 (Oxidizers)
300
Self-heating materials that, when in contact with air and without an energy supply, are liable to combust belong to this hazard class.
What is class 4.2 (Spontaneously combustible flammable solids)
300
A pathogen, such as a virus, would fall into this hazard class.
What is class 6.2 (Infectious substances)
300
The measure of a substance's tendency to deteriorate in the presence of another substance or in a particular environment.
What is Corrosivity.
300
Smoke, steam, and runoff from fire and fire fighting operations may increase the need this kind of protection
What is respiratory protection.
400
This division of class 1 contains hazards that pose a threat of minor explosion.
What is division 1.4?
400
Liquid-fueled rocket motors and propellant explosives are examples of materials from this division of Class 1 hazards.
What is Class 1.3 (fire hazard)
400
A load may be placarded as this if two items combined from table II are more than 1001 lbs
What is "Dangerous"
400
The minimum concentration of vapor to air below which a flame will not propagate in the presence of an ignition source.
What is Lower explosive limit.
400
the ability of a material to blend uniformly with another.
What is Solubility
500
a material other than a gas that is toxic to humans would fall into this hazard class.
What is class 6 (Poison)?
500
Any material having a specific activity greater than .002 microcuries per gram belongs to this class
What is class 7 (radioactive)?
500
Calcium Carbide, magnesium powder, potassium metal alloys, and sodium hydride are all materials that fall under this class.
What is Class 4.3 (Dangerous when wet)
500
A materials ability to stay within the area of release for long periods of time.
What is Persistence
500
These are the two types of radiation
What are Ionizing & Non-Ionizing radiation