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Environmental fate & pathways

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The BCF of naphthenic acids was measured in Rainbow trout by Young et al. (2008). A 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 range of BCF between 1.6 and 27 L/kg wet-wt for sodium naphthenate.The available data suggest low or no bioaccumulation potential.