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ADR
Courses
Class
9 - Miscellaneous
• Contains a number of different substances
and articles, which cannot easily be placed
in the other classes. The sign gives no
indication of the particular danger that
must be obtained from written information.
• There are two UN numbers in class
9 for environmentally hazardous materials.
This indicates an extension of the concept
of dangerous goods, to include environmental
as well as human risks.
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