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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

The biodegradability of the test item was studied in a "DOC-Die-Away Test" in accordance with EU method C4 -A. The substances was incubated with sludge from a municipal WWTP for 28 days. 95% of the test item degraded within this period and >60% in the 10 day-window.  

Key value for chemical safety assessment

Biodegradation in water:
readily biodegradable

Additional information

Biodegration of the tet item was determined in a DOC-die-away- test for readiy biodegradability and the Zahn Wellens test for inherent biodegradability. The results of both tests indicate that the test item is biodegradable under the present test conditions. Since the substance is readily biodegradable (>60% within the 10 day-window) this test was chosen for the chemical safety assessment.