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Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

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Description of key information

Key value for chemical safety assessment

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Testing is waived on the basis that the chemical safety assessment according to Annex I indicates that it is not necessary to conduct the simulation test on ultimate degradation in surface water and the sediment simulation test, or to identify degradation products. Simulation tests (water and sediments) are not considered necessary because:

•The substance is used under highly controlled conditions and, therefore, exposure of the aquatic and sediment environments is low

•The risk characterisation ratios (RCRs) for the aquatic and sediment compartment, based on the assumption that the hydrolysis product is not biodegradable, are <1.