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Class 6 : Toxic (6.1) & Infectious Substances (6.2)
These are either poisonous, or liable to cause a health risk to humans or animals
Toxic Substances
Examples : aniline, arsenic, barium compounds, inorganic cyanides, many mercury compounds, nicotine, nitrobenzene, sodium flouride, tear gas, a number of pesticides
Symbol : skull & crossbones |
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Infectious substances
Examples : biological products, medical research material, animal & human waste
Symbol : Three crescents superimposed on a circle |
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Class 7 : Radioactive Material
There are separate regulations for this class
Needs specialist transport arrangements. Beyond the scope of this Web document.
Examples : nuclear fuel materials, nuclear power station waste, radioisotopes for medical work
Symbol : Trefoil, or the word "FISSILE" |
 
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Class 8 : Corrosive Substances
These may damage living tissue, or, in the case of spillage or leakage, may damage or destroy other goods or the meads of transport.
This group includes mineral acids and caustic alkalis.
Examples : hydrochloric, sulphuric or nitric acids, sodium hydroxide, acetyl chloride, phosphorous pentoxide
Symbol : liquids spilling from glass vessels, attacking a hand and a metal |
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Class 9 : Miscellaneous Dangerous Substances & Articles
Examples : Dry ice (solid carbon dioxide), zinc hydrosulphide, castor beans, self-inflating life-saving appliances, air bag inflators (pyrotechnic), lithium batteries,
environmentally hazardous substances, elevated temperature liquids and solids (not flammable), plastics moulding compound, internal combustion engines.
Symbol : seven vertical stripes in upper half |
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Some of these categorisations may surprise you !
| Even pure water is classed as environmentally hazardous if it is being transported overseas,
because of the problems it may cause if spilled at sea, in quantity. For example, the spillage of
thousands of litres of natural spring water into a sea inlet or a calm bay could kill the
marine plant and animal life, which need salt-water in order to survive. |
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