The heading of Class 9 covers substances and articles which, during carriage, present a danger not covered by the heading of other classes.
| M1 | Substances which, on inhalation as fine dust, may endanger health; | ||||||
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| M2 | Substances and articles which, in the event of fire, may form dioxins; | ||||||
| M3 | Substances evolving flammable vapour; | ||||||
| M4 | Lithium batteries; | ||||||
| M5 | Life-saving appliances; | ||||||
| M6-M8 |
Environmentally hazardous substances:
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| M9-M10 |
Elevated temperature substances:
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| M11 | Other substances and articles presenting a danger during carriage, but not meeting the definitions of another class. |