UN hazard classes and Packing Groups
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There are 9 hazard classes defined in the Regulations namely:
Class 1 – Explosives (sub-divided into six divisions).
Class 2 – Gases (sub-divided into three divisions).
Class 3 – Flammable Liquids.
Class 5 – Oxidizing Substances and Organic Peroxides (sub-divided into two divisions).
Division 6.1 – Toxic.
Division 6.2 – Infectious Substances.
Class 7 – Radioactive Material.
Class 8 – Corrosives.
Due to the wide scope of some classes they are further sub-divided into divisions. Division 6.2 Infectious Substances is one such instance.
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There are 3 packing groups defined in the Regulations namely:
Packing Group I – High Danger.
Packing Group II – Medium Danger.
Packing Group III – Low Danger.
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Over any given period it is likely that your requirements will include at least one of these classes or divisions, explosives excepted.
Typical examples include:
Division 2.2 Compressed gas, n.o.s.* (Carbon dioxide, Oxygen, Nitrogen).
Class 3 Ethanol.
Division 4.1 Paraformaldehyde.
Division 5.1 Potassium permanganate.
Division 6.1 Chloroform.
Division 6.2 Biological substance, Category B.
Class 7 Radioactive isotope.
Class 8 Hydrochloric acid.
Class 9 Dry ice, Lithium Batteries
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