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Environmental fate & pathways

Biodegradation in soil

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Reference
Endpoint:
biodegradation in soil: simulation testing
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance is readily biodegradable

Description of key information

The performance of simulation tests for biodegradation in soil is scientifically unjustified.
REACh Regulation No. 1907/2006, Annex IX, Sect. 9.2.1.3, Col. 2, states as follows:
“9.2.1.3: The study need not to be conducted:
 - if the substance is readily biodegradable, or
 - if direct and indirect exposure of soil is unlikely.”
Direct and indirect exposure of soil is highly unlikely.
A determinations of the biodegradability of the test item was performed according to OECD 301D, respectively. The test item is evaluated as ready biodegradable. Thus, a simulation tests for biodegradation in sediment of test item is scientifically unjustified.

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