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We've updated our guidance on NICNAS to AICIS transitional arrangements.

Incidentally-introduced chemical

Incidentally-introduced chemical

means an industrial chemical:

  • that is introduced, either with or subsequent to the introduction of another industrial chemical, as a result of any of the following:
    • the incomplete reaction of starting materials or reaction intermediates used in the manufacture of the other industrial chemical;
    • an unintended constituent present in the starting materials used in the manufacture of the other industrial chemical;
    • the exposure of the other industrial chemical to light, heat or other environmental conditions in the course of handling or storage;
    • the occurrence of a chemical reaction during the manufacture or use of the other industrial chemical;
  • and the introduction of which has no commercial value separate from the other industrial chemical.
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