Class 9 contains articles and substances that don't meet the criteria for any of the other 8 classes that are considered sufficiently dangerous to be regarded as dangerous goods.
Class 9 includes substances that are regarded as cancer producing or carcinogens, irritants, fire risk, asphyxiants and substances that are environmentally hazardous.
Examples are asbestos, dry ice, lithium batteries, expandable polymeric beads, and lifesaving appliances such as compressed gas, oxygen cylinders, self -i
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