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Sediment toxicity

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Description of key information

Key value for chemical safety assessment

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In Annex X section 9.5.1 of Regulation (EC) No 1907/2006, it is laid down that chronic tests on sediment organisms shall be proposed by the registrant if the chemical safety assessment indicates the need to investigate further the effects on sediment organisms. According to Annex I of this regulation, the chemical safety assessment triggers further action when the substance or the preparation meets the criteria for classification as dangerous according to Directive 67/548/EEC or Regulation EC 1272/2008 or is assessed to be a PBT or vPvB. No information concerning effects on sediment-organisms is available for the substance. However, the hazard assessment of the substances reveals neither a need to classify the substances as dangerous to the environment, nor are these substances PBT or vPvB substances.

Since the physicochemical data indicate that the substance is not very adsorptive (log Koc < 3) or bioaccumulative (log Kow < 3), a relevant distribution into the sediment compartment and a considerable exposure of sediment organisms is not expected. Consequently, no test on sediment organisms is performed.