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EC number: 905-588-0
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.
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