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No hazard of HPP 12879 -1 has been identified towards fish in a 96h-study up to 100 mg/L. However, for algae an EC50 = 63.2 mg/L and a NOEC of 4.5 mg/L have been identified in a 72h-study. For daphnids an EC50 of 16.4 mg/L was determined after 48 h.

No toxic effect of HPP 12879 -1 has been identified towards microorganisms up to 100 mg/L.

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