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Long-term toxicity to fish

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Fish embryos treated with sodium tripolyphosphate from just after fertilisation to 96h with concentrations ranging from 5 - 40 mg/l STPP.
Abnormal body structure was observed in embryos treated with 20 and 40 mg/l.
All treated embryos exhibited early hatching, late pigmentation, curvature in the body axis and reduces activity.
A NOEC could not be established.
LOEC = 5 mg/L STPP

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