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Short-term toxicity to fish

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For fish, 51 individual reliable acute toxicity data points for three different species were put forward for hazard assessment purposes. The acute toxicity values (96h-LC50) forPimephales promelasvaried between of 40.8 µg dissolved Pb/L (at pH 5.67 and hardness of 15.9 mg/L as CaCO3) and 3597.9 µg dissolved Pb/L (at pH 7.1 and hardness of 26 mg/L as CaCO3). The acute toxicity values (96h-LC50) forOncorhynchus mykissvaried between of 127 µg dissolved Pb/L (at pH 7.6 and hardness of 32 mg/L as CaCO3) and 1470.0 µg dissolved Pb/L (at pH 8.8 and hardness of 290 mg/L as CaCO3). For the fishPoecilia reticulataa LC50value of 1990 µg dissolved Pb/L was retreived.

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