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Appendix 1: Classes of Dangerous Goods

Dangerous goods are articles or substances, which are capable of posing a risk to health, safety,
property or the environment and which are shown in the list of dangerous goods in the regulations or
which are classified according to the regulations (IATA DGR 1.0).

Dangerous goods are defined as those goods which meet the criteria of one or more of the nine UN
hazard classes and, where applicable, to one of three UN packing groups according to the provisions
of this section. The nine classes relate to the type of hazard, whereas the packing groups relate to the
applicable degree of danger within the class. (IATA DGR 3.0.1.1). Some of the 9 nine classes are
broken down into divisions.

A. The nine classes of dangerous goods Class1:

Explosives

1.1 Mass explosion hazard
1.2 Projection hazard but not a
mass explosion hazard
1.3 Fire hazard, minor blast hazard, and / or a minor projection hazard but not a
mass explosion hazard
1.4 No significant hazard
1.5 Very insensitive, mass explosion hazard
1.6 Extremely insensitive explosive, no mass explosion hazard Class2:

Gases

2.1 Flammable gas
2.2 Non-flammable, non toxic gas
2.3 Toxic gas