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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Description of key information

The BCFBAF version 3.01 programme of the EPI Suite software (EPIWEB 4.11) was used to predict a log BCF of 1.92 (BCF of 84) based on a regression estimate using a measured log Kow of 5.5.

Key value for chemical safety assessment

BCF (aquatic species):
84 L/kg ww

Additional information

Chapter R.7c states that BCFs can be determined experimentally, by calculation using Kow, or by estimating using BCF models such as QSARs.  BCFs and a BAF are calculated using regression-based approach and the Arnot-Gobas model using EPI Suite software.   

 

EPI Suite (regression-based estimate)

The BCFBAF version 3.01 programme of the EPI Suite software (EPIWEB 4.11) was used to predict a log BCF of 1.92 (BCF of 84 l/kg ww) based on a regression estimate using a measured log Kow of 5.5.

 

EPI Suite (Arnot-Gobas upper trophic estimate)

The BCFBAF version 3.01 programme of the EPI Suite software (EPIWEB 4.11) was used to predict a log BCF of 2.79 (BCF of 609 l/kg ww) based on the Arnot-Gobas upper trophic model both using a measured log Kow of 5.5.