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Version 1.4 of the Categorisation Guide (March 2022)

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We have released version 1.4 of our 'Guide to categorising your chemical importation and manufacture' (Categorisation Guide).

More guidance on a 'certain chemical at the nanoscale'

We often get asked for help to work out if an introduction is a 'certain chemical at the nanoscale'. So we added more questions in steps 4.1 and 5.1 of the Categorisation Guide to provide you more options, better guide you and provide a clear outcome depending on your answer.

Other changes

  • 'Specified class of introduction' - changes to steps 4.1 and 5.1 of the Categorisation Guide to explain why we're concerned about these and that extra information will be required from introducers when submitting an assessment application for a specified class of introduction.
  • Clarification on solids/dispersions relating to chemicals at the nanoscale - changes to steps 4.5 and 5.5 to make it clear that introductions of solids/dispersions that do not have solubility or particle size information cannot be very low risk to human health or the environment.
  • Assessed introductions of chemicals on the Inventory - a point added in step 6 to explain that if your assessed introduction is a chemical on the Inventory that is outside the 'defined scope of assessment', then you need to apply to vary the terms of its Inventory listing.

Go to the Categorisation Guide

What is the Categorisation Guide? It's step-by-step instructions for importers and manufacturers (introducers) to categorise their chemical introduction as listed or exempted or reported or assessed. It draws on information in the Industrial Chemicals Act, General Rules and the Industrial Chemicals Categorisation Guidelines.
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