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Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

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Endpoint:
biodegradation in water: simulation testing on ultimate degradation in surface water
Data waiving:
exposure considerations
Justification for data waiving:
other:
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

Description of key information

In accordance with Section 9.2 of Column 2 of REACH Annex IX, further biotic degradation testing shall be proposed by the registrant if the Chemical Safety Assessment indicates the need to investigate further the degradation of the substance and its degradation products. 
Due to the properties of this substance, the environmental releases are strictly controlled and no emission to the environment takes place. The results of the chemical safety assessment therefore indicate that there is no need to further investigate biotic degradation.
It is therefore considered justified to omit the simulation testing on ultimate degradation in surface water, sediment simulation testing and identification of degradation products studies required in sections 9.2.1.2, 9.2.1.4 and 9.2.3 of Annex IX, respectively.

Key value for chemical safety assessment

Additional information