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EC number: 204-065-8
CAS number: 115-10-6
The lowest acute effect concentration for the test substance is the
96-hour EC50 of 154.9 for algae. Since a full base set
of acute aquatic test data is available, an assessment factor of 1000 is
appropriate for calculation of a PNEC aqua-freshwater. The Predicted No
Effect Concentration for surface water is PNECwater= 0.155
The PNEC aqua-marine water was derived from the freshwater base set of
test using an AF of 10,000. The Predicted No Effect
Concentration for marine water is PNECaqua
- marine water= 0.016 mg/L.
The PNECs for freshwater sediment, marine sediment, and soil were
derived from the appropriate PNEC values, the Koc value for the dominant
non-aqueous-phase constituent in the test substance (Koc = 7.8 mL/g) and
appropriate equilibrium partitioning equations.
The PNECSTPwas derived from the Pseudomonas study endpoint of
> 1600 mg/L in conjunction with an AF of 10.
Based on a log Kow < 3.0, limited potential for exposure and
bioaccumulation and lack of classification for toxicological effects in
mammals, it was not considered useful to derive a PNECoral.
but insufficient for classification
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