Classifying Dangerous Goods...
Dangerous Goods are defined as those goods which meet the criteria of one or more of nine UN hazard Classes and, where applicable, to one of three UN Packing Groups.
The Nine Classes relate to the type of hazard, whereas the packing groups relate to the applicable degree of danger within the class:
Packing Groups: X - Packing Group I, II, III Y - Packing Group II, III Z - Packing Group III |
Hazard Classes:
Some hazard classes are further subdivided into hazard divisions due to the wide scope of class. The nine hazard classes and their subdivisions are listed below. The order in which they are numbered is for convenience and does not imply a relative degree of danger.
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Class 1 - Explosives:
Division 1.2 - Articles and substances having a projection hazard but not a mass explosion hazard Division 1.3 - Articles and substances having a fire hazard, a minor blast hazard and/or a minor projection hazard but not a mass explosion hazard. Division 1.4 - Articles and substances presenting no significant hazard Division 1.5 - Very insensitive substances having mass explosion hazard Division 1.6 - Extremely insensitive articles which do not have a mass explosion hazard |
Class 2 - Gases: Division 2.1 - Flammable Gas Division 2.2 - Non-flammable gas, non-toxic gas Division 2.3 - Toxic Gas |
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Class 3 - Flammable Liquids: This class has no sub-divisions |
Class 4 - Flammable Solids; Substances liable to Spontaneous Combustion; Substances which in contact with water, emit flammable gases: Division 4.1: - Flammable Solids: self-reactive substances and solid desensitized explosives Division 4.2 - Substances liable to spontaneous combustion Division 4.3 - Substances which, in contact with water, emit flamamble gases
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Class 5 - Oxidizing substances and Organic Peroxides: Division 5.1 - Oxidizer Division 5.2 - Organic peroxides |
Class 6 - Toxic and Infectious Substances:
Division 6.1 - Toxic Substances Division 6.2 - Infectious Substances |
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Class 7 - Radioactive Material: This class has no sub-divisions |
Class 8 - Corrosives: This class has no sub-divisions |
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Class 9 - Miscellaneous Dangerous Goods:
This class has no sub-divisions |
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