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Sediment toxicity

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Description of key information

No data on toxicity to freshwater sediment organisms available. Therefore, the risk assessment will be based on equilibrium partitioning method using acute data from aquatic species.

Key value for chemical safety assessment

Additional information

2-(2-aminoethoxy)ethanol is not supposed to be directly applied to sediment and an indirect exposure to sediment is unlikely since the substance is readily biodegradable. For substances being considered as „readily biodegradable“, it can be assumed that they will be biologically degraded within the STP-process. In special cases, if the substance is not entering the STP-process but is readily biodegradable, it can be assumed that it will be rapidly biological degraded in the surface water. In both cases, a transfer to the sediment compartment is unlikely. As a consequence, no tests on freshwater sediment organisms are provided.

Further, in a test on the marine amphipod Corophium volutator (Huntingdon Life Sciences, 1999) it was demonstrated that concentrations of up to 1000 mg/kg dry weight had no adverse effects on the test organisms.

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