10.6.1 A waste containing only one constituent
which is a cargo subject to the provisions of this Code applicable
to cargoes of classes 4.1, 4.2, 4.3, 5.1, 6.1, 8 or 9 shall be regarded
as being that particular cargo. If the concentration of the constituent
is such that the waste continues to present a hazard inherent in the
constituent itself, it shall be classified as the class applicable
to that constituent.
10.6.2 A waste containing two or more constituents
which are cargoes subject to the provisions of this Code applicable
to cargoes of classes 4.1, 4.2, 4.3, 5.1, 6.1, 8 or 9 shall be classified
under the applicable class in accordance with their dangerous characteristics
and properties as described in 10.6.3 and 10.6.4.
10.6.3 The classification according to dangerous
characteristics and properties shall be carried out as follows:
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.1 determination of the physical and chemical
characteristics and physiological properties by measurement or calculation
followed by classification according to the criteria applicable to
the constituents; or
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.2 if the determination is not practicable, the
waste shall be classified according to the constituent presenting
the predominant hazard.
10.6.4 In determining the predominant hazard,
the following criteria shall be taken into account:
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.1 if one or more constituents fall within a certain
class and the waste presents a hazard inherent in these constituents,
the waste shall be included in that class; or
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.2 if there are constituents falling under two
or more classes, the classification of the waste shall take into account
the order of precedence applicable to cargoes with multiple hazards
set out in the IMDG Code.