Registration Dossier

Diss Factsheets

Ecotoxicological information

Sediment toxicity

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

Hazard assessed using aquatic toxicity data and EPM

Key value for chemical safety assessment

Additional information

No experimental data on effects to sediment organisms are available and testing, required in Annex X, column 1, section 9.5.1. has been waived in accordance with column 2 restrictions.

Equilibrium Partitioning Method (EPM)

The Integrated Testing Strategy (ITS) for sediment organisms is available from ECHA R.7b, Figure R.7.8-8 Integrated Testing Strategy (ITS) for toxicity to sediment organisms, p 149. The scheme indicates that for substances of Log Kow 3 or lower, for which no high adsorption or binding behaviour is expected, no sediment testing is necessary, provided that the Risk Characterisation Ratio (RCR = PEC/PNECsed) performed using the Equilibrium Partitioning Method (EPM) is not > 1. Accordingly EPM was applied and the assessment for the sediment compartments bases on the PNEC for the aquatic life.

  • ECHA R.7b: European Chemicals Agency (2014). Guidance on information requirements and chemical safety assessment. Chapter R.7b: Endpoint specific guidance. Version 2.0., Document Reference ECHA-14-G-05-EN, ISBN 978-92-9244-759-5. Self-published, Helsinki, Finland, in November. 256 p.