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EC number: 930-690-7
CAS number: -
In an acute aquatic toxicity study according to OECD 203 and performed
to GLP, zebra fish were exposed to shale oil, middle fraction at nominal
WAF loading rate concentrations of 1.0, 3.2, 10, 32, and 100 mg/L.
The LC50 of shale oils, middle fraction to Brachydanio rerio was 5.7
Based on the rationale for read-across, it is considered acceptable to
use this study to address the same endpoint for the heavy fraction of
The LC50 of shale oils, middle fraction to Brachydanio rerio was 5.7 mg/L loading rate.
Similar values for short-term toxicity to daphnia were observed between
the middle fraction and heavy fraction of shale oil. This, combined with
analytical data which showed the two fractions to be compositionally
similar, support the validity of a read-across approach to address the
short-term toxicity to fish endpoint. Hence, the study conducted on the
middle fraction of shale oil, is considered robust enough to be the key
study for the heavy fraction.
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