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Environmental fate & pathways

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For the members of the C7-C9 hydrocarbon solvents category only a single measured aquatic bioconcentration factor (BCF) value for n-octane (CAS 111-65-9) in the mussel, Mytilus edulis, has been reported as 199 (log BCF = 2.3) (Donkin et al. 1989). However, there are also estimated BCF values for other category members available in the range of 11.81 to 1216 (log BCF of 1.07 to 3.08), including Normal-Heptane with a BCF and Log BCF of 552 and 2.74, respectively.