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EC number: 905-570-2
CAS number: -
The highest BCF for edible portions of Salmo gairdneri was 25.9.
A bioaccumulation in fish study is available
for one of the streams in this category. Walsh et al (1977) conducted a
56 day flow through test, with analytical confirmation of exposure
concentrations, to determine the bioaccumulation of xylenes by Salmo
gairdneri. After 56 days the concentration of xylene in the edible
portions of the fish was measured. By comparing the concentrations
measured in the edible portions with the exposure concentrations, we
have calculated BCF from the data reported by the authors. The highest
BCF was 25.9. There was no significant difference in the concentrations
measured in the edible portions of the fish after 1 or 56 days exposure,
nor at the different exposure concentrations. We can therefore conclude
that the bioaccumulation is initially rapid but that after this time the
amounts bioaccumulated do not increase with exposure duration.
The Bioconcentration Factor for this
substance has been estimated using the EPISUITE program and based on
methodologies developed by Arnot-Gobas et al. (2006). The estimated BCF
based on the Arnot-Gobas method (upper trophic) for this substance is
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