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Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

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Endpoint:
biodegradation in water: sediment simulation testing
Data waiving:
exposure considerations
Justification for data waiving:
the study does not need to be conducted because direct and indirect exposure of sediment is unlikely
other:
Transformation products:
no
Endpoint:
biodegradation in water: simulation testing on ultimate degradation in surface water
Data waiving:
study technically not feasible
Justification for data waiving:
the study does not need to be conducted because the substance is highly insoluble in water
other:
Transformation products:
no

Description of key information

 


The testing of biodegradation in water: simulation testing on ultimate degradation in surface water was waived according to "column 2" in Annex IX of REGULATION (EC) No 1907/2006 (CSA does not indicate need for further investigations. Substance considered to be not readily biodegradable, no further relevant information expected from additional testing) In addition the substance is hig´hly insoluble in water.


 


Regarding sediment simulation testing a second waiver is available, because the substance is not supposed to be directly applied to sediment. Based on the PC properties of the substance (extremely low solubility in water and octanol), a low adsorption potential is indicated. As a consequence, a binding/transfer to sediment is not expected. Therefore, it can be assumed that there is no direct and indirect exposure to the sediment


 

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