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EC number: 609-066-0
CAS number: 35123-06-9
For the terrestrial compartment three different test representing
three trophic levels of the soil are available. Toxicity studies were
performed in earthworm Eisenia fetida (OECD 207), in terrestrial plants
(OECD 208) and in soil mircoorganisms (OECD 216).
No mortalities were observed for in the earthworm study (OECD 207)
up to 1000 mg/kg soil dw, therefore the NOEC was determined to be > 1000
mg/kg soil bw.
terrestrial plant study (OECD 208) an influence to emergence ws not
observed resulting in an NOEC > 1000 mg/kg soil dw for all three
species. The influence on growth was determined to be: NOEC = 250 mg/kg
soil dw and the influence on dry weight was NOEC = 62.5 mg/kg soil dw.
negative effects were detected for nitrifing microorganism in an OECD
216 study. After 28 day the nitrate content was incresed compared to
controls. The NOEC was set to be <62.5 mg/kg soil d.w. However since no
adverse effects could be determined, the test item is considered to have
no long-term adverse effects on nitrate formation in soil at
concentrations up to and including 1000 mg test item/kg soil dry weight.
Based on the above mentioned test results the NOEC for the terrestrail
compartment was considered to be : NOEC = 62.5 mg/kg soil d.w based on
the plant study (OECD 208).
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