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Toxicity to terrestrial arthropods

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In accordance with column 2 of REACH Annex IX and X, studies on terrestrial toxicity do not need to be conducted as direct and indirect exposure of the soil compartment is unlikely. Furthermore, chronic screening studies with Folsomia candida were conducted.

In a 28-day long-term study, springtails (Folsomia candida) were exposed to the test substance at concentrations of 0 (control), 200, 400, 600, 800, 1600, 3200, 6400, 12800, 25600, 51200 and 102400 mg/kg (30 organisms per treatment, 50 organisms for the control treatment) (PTAC, 2006). Survival of the adult springtails was affected adversely following exposure to the test substance with a chronic LC50 of 27352 mg/kg. Chronic reproduction appeared to follow a concentration-dependent pattern and the IC50 for number of progeny produced was 13701 mg/kg.