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EC number: 235-727-4
CAS number: 12626-81-2
LC values compared to the various water parameters:
In a study according to guideline US EPA (2002), 22 individual reliable
acute toxicity data points for one specie Ceriodaphnia dubia were
summarized in this data point:
After exposures were conducted under static conditions and for different
pH and hardness values, the acute toxicity values (48h-LC50) for
Ceriodaphnia dubia varied between 28.8 µg dissolved Pb/L (at pH 6.8, a
DOC of 104 mg/L and hardness of 5.8 mg CaCo3/L) and 3115.8 µg dissolved
Pb/L (at pH 8.15, a DOC of 1298 mg/L and hardness of 103.2 mg/L).
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