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PBT assessment

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PBT assessment: overall result

PBT status:
the substance is not PBT / vPvB

L-leucine was determined to be readily biodegradable based on read-across from a recent GLP and OECD guideline study on L-valine (> 80% biodegradation within 28 d), in combination with an older determination of the biodegradation potential of L-leucine according to the Offhaus method.

Bioaccumulation of L-leucine can be excluded based on its low log Kow of -1.52.