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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

Percent degradation was observed as followed:
0 % degradation after 24 d
0 % degradation after 28 d

Key value for chemical safety assessment

Biodegradation in water:
under test conditions no biodegradation observed

Additional information

The objective of this study is to determine the biodegradability of FAT 60'253/A in a 28-day biodegradation test by following the BOD (biochemical oxygen demand) of the test item under defined conditions by means of manometric methods.

This test design was selected according to the guidelines since the test item is not completely soluble at a concentration of 100 mg/l (information given by the sponsor). The study design is recognized by the OECD and EEC guidelines and should provide a rational basis to determine the ready biodegradability of the test item under aerobic conditions.

Percent degradation was observed as followed:

0 % degradation after 24 d

0 % degradation after 28 d