(23)If sufficient information is available on similar tested mixtures, including relevant ingredients of the mixtures, it is possible to determine the hazardous properties of an untested mixture by applying certain rules known as ‘bridging principles’. Those rules allow characterisation of the hazards of the mixture without performing tests on it, but rather by building on the available information on similar tested mixtures. Where no or inadequate test data are available for the mixture itself, manufacturers, importers and downstream users should therefore follow the bridging principles to ensure adequate comparability of results of the classification of such mixtures.
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New version applies from 01/01/2016.
80 provisions change.
Later versions: 01/04/2016, 01/01/2017, 01/06/2017, 01/03/2018, 01/12/2018, 26/07/2019, 01/12/2019, 01/01/2020, 01/05/2020, 17/10/2020, 28/10/2020, 14/11/2020, 10/05/2021, 01/10/2021, 01/03/2022, 17/12/2022, 20/04/2023, 31/07/2023, 01/12/2023, 10/12/2024, 01/02/2025, 01/09/2025, 01/05/2026, 01/07/2026.
Recital 23 changes in this version: compare with the current text.