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Sediment toxicity

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sediment toxicity: long-term
Data waiving:
study scientifically not necessary / other information available
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Description of key information

In accordance with section 9.5.1 of column 2 of REACH Annex X, the long-term toxicity testing on sediment dwelling organisms shall be proposed by the registrant if the chemical safety assessment according to Annex I indicates the need to investigate further the effects on sediment dwelling organisms. Due to the equivocal nature of the indicators for sediment dwelling organism risk, a sediment organism chronic toxicity test is not proposed and is not considered to be necessary. As an alternative, the PNEC sediment was estimated based on the equilibrium partitioning method.

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