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EC number: 224-052-0
CAS number: 4180-23-8
Table 1: Earthworm Mortality in [%] after 7 and 14 Days of Exposure
Table 2: Mean Live Weight and Mean Loss of Body Weight
The acute effects of the test item on the earthworm Eisenia fetida were determined according to OECD Guideline 207 according to GLP. The study was conducted under static conditions for 14 days with the test item concentrations 50 – 100 – 200 – 400 – 800 mg/kg SDW mixed into artificial soil containing 10 % peat. Artificial soil without test item was used as control and artificial soil without test item but treated with the solvent was used as solvent control. 40 test organisms divided into four replicates, were tested per test item concentration, control and solvent control. No statistically significant differences concerning mortality and biomass after two weeks of exposure in soil were observed between the control and the solvent control. After 14 days, the EC50 of the test item to earthworm (Eisenia fetida) was determined to be 383 mg/kg soil dry weight.
Based on results of an OECD 207 compliant study with the test item an EC50 of 383 mg/kg soil dw was determined as key value for the risk assessment.
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