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From 24 April 2024 there will be changes to categorisation, reporting & record keeping requirements - see announcements on changes to the General Rules & changes to the Categorisation Guidelines.

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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