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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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The BCF of a commercial naphthenic acids sample was measured in rainbow trout by Young et al. (2008). The BCF of 2 L/kg wet-wt based, was measured for one C-13 component of the naphthenic acids. The Japanese METI-NITI database reports a measured range of BCF values between 1.6 and 27 (wet-wt based) for sodium naphthenate, with one, two and three cycles. The available data suggest low or no bioaccumulation potential. A range of 3.162 to 56.23 L/kg wet-wt for the BCF was obtained using the EPISuite modelling tool.

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