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Ecotoxicological information

Toxicity to soil macroorganisms except arthropods

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No inhibitory toxic effects occurred on growth and reproduction of nematodes (C.elegans) up to nominal concentrations of 5000 mg/kg sediment dry weight (dw). Thus a NOEC of 5000 mg/kg sedi-ment dw based on nominal concentrations was determined. Between 200 and 3200 mg/kg sediment dw, significant stimulatory effects on reproduction occurred. (Hoess 2015)


A study on Eisenia fetida (Senn 2019) resulted in:

NOECMortality ≥ 1000 mg test item/kg soil (dw)

NOECBiomass ≥ 1000 mg test item/kg soil (dw)

NOECReproduction < 1000 mg test item/kg soil (dw)


According to the authors of the study, the test item concentration had revealed a statistically significant decrease of the reproduction compared to the control. Therefore, the NOEC for reproduction was smaller than the limit concentration. (Senn, 2019, SMAS)

Key value for chemical safety assessment

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