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Diss Factsheets

Ecotoxicological information

Toxicity to terrestrial arthropods

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Administrative data

Link to relevant study record(s)

Description of key information

No statistically significant effects on the reproduction and mortality were observed at the highest tested concentration of 1050 mg/kg dw (NOEC >= 1050 mg/kg dw).

Key value for chemical safety assessment

Long-term EC10, LC10 or NOEC for soil dwelling arthropods:
1 050 mg/kg soil dw

Additional information

Two long-term studies with collembolan (Folsomia candida) according to OECD 232 (2009) and GLP are available. Both tests did not observe statistically significant effects on reproduction and mortality at the highest tested concentrations of 1000 and 1050 mg/kg dw, respectively.

In the key study (RL1, 2014) artificial soil was spiked with five different concentrations of 100, 180, 324, 583, 1050 mg/kg dw (factor 1.8). After application of the test item, ten juvenile Folsomia candida (9 days old) were placed onto the artificial soil of each replicate. After 28 days, adult mortality and reproduction were assessed as endpoints. No statistically significant effects were observed on reproduction and mortality under test conditions.

The supporting study was recently published in a paper by Richter et al. (2013). Due to limited details on the study performance a reliability could not be assigned (RL4). However, both studies come to the same conclusion, that the test item is not toxic to Folsomia candida up to the highest tested concentrations of 1000 and 1050 mg/kg dw, respectively.