2.12.4. Additional Classification Considerations
2.12.4.1. The classification procedure for this class need not be applied if:
(a)
the chemical structure of the substance or mixture does not contain metals or metalloids; or
(b)
experience in production or handling shows that the substance or mixture does not react with water, e.g. the substance is manufactured with water or washed with water; or
(c)
the substance or mixture is known to be soluble in water to form a stable mixture.