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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Administrative data

Link to relevant study record(s)

bioaccumulation in aquatic species: fish
Data waiving:
other justification
Justification for data waiving:
the study does not need to be conducted because the substance has a low potential for bioaccumulation based on log Kow <=3

Description of key information

Study on bioaccumulation waived based on low log Kow <-2. 

Key value for chemical safety assessment

Additional information

According to Regulation (EC) No 1907/2006, Annex IX, Column 2, the study on bioaccumulation if the substance has a low potential for bioaccumulation (for instance a log Kow ≤ 3). As per weight of evidence approach several data sources unanimously indicate that the log Kow of substance methylphosphonic acid is -1.5559. Based on such a very low Kow the study on bioaccumulation can be waived.