Shipping Infectious Substances and Biological Materials [pdf]

C. Classes of Dangerous Goods
Dangerous goods are defined as those goods that meet the criteria of one or more of nine
United Nations (UN) hazard classes. There are nine classes that relate to the type of
hazard.
Class 1
Class 6
Explosives
Toxic and Infectious Substances
Class 2
Class 7
Gases
Radioactive Material
Class 3
Class 8
Flammable liquids
Corrosives
Class 4
Class 9
Flammable solids
Miscellaneous Dangerous Goods
Class 5
Oxidizing Substances and Organic Peroxides
The scope of this document is to provide guidance in transporting those Dangerous Goods
that fall under Class 6 (specifically Infectious Substances, division 6.2) and Class 9
(specifically dry ice and genetically modified organisms).
Revised: April 2011 6