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EC number: 203-396-5
CAS number: 106-42-3
50% of applied radiolabelled o-xylene was mineralised in 23 days and 50% p-xylene was mineralised in 13 days.
study that approximates OECD 304A was identified for o-xylene and
p-xylene (Tsao et al. 1998). There are several differences between the
protocol followed and the standard guidelines. Only one soil type is
tested and the concentration of test substance is higher than
recommended (150 µL/50 g soil compared to 100 µL/50 g soil). The control
test used autoclaved soil, rather than no soil. Despite these
differences the study is well described and the mass balance of applied
test substance is ~90 to 94%. This study demonstrated that 50% of the
o-xylene and p-xylene applied to soil was mineralised to carbon dioxide
in 23 and 13 days, respectively.
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