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Sediment toxicity

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Description of key information

Calculation according to equilibrium partitioning method

Key value for chemical safety assessment

Additional information

In accordance with Annex XI, section 1 of the REACH Regulation, testing does not appear scientifically necessary. The equilibrium partitioning method as described in the Guidance for the implementation of REACH, chapter R.10 (ECHA, May 2008) is used to derive a PNECsediment. The toxicity of the related substance TDCP has been studied in detail, and it was found that the PNEC derived from these studies was similar to that derived by equilibrium partitioning. It is reasonable to conclude that the same would apply to this substance, and that the PNEC derived by equilibrium partitioning is sufficiently protective.

References:

- European Chemicals Agency (May 2008), Guidance on information requirements and chemical safety assessment, Chapter R.10: Characterisation of dose [concentration]-response for environment

- European Union Risk Assessment Report "2,2-Bis(chloromethyl)trimethylene bis[bis(2-chloroethyl)phophate]" (V6), CAS 38051-10-4, May 2008

- Regulation (EC) No 1907/2006 of the European Parliament and of the Council of 18 December 2006 concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), establishing a European Chemicals Agency, amending Directive 1999/45/EC and repealing Council Regulation (EEC) No 793/93 and Commission Regulation (EC) No 1488/94 as well as Council Directive 76/769/EEC and Commission Directives 91/155/EEC, 93/67/EEC, 93/105/EC and 2000/21/EC