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Toxicity to terrestrial arthropods

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Key value for chemical safety assessment

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No toxicity tests studies with terrestrial arthropods are available for UMA 121. Based on the Chemical Safety Assessment according to Annex I of Regulation (EC) No 1907/2006 there is no need to conduct further terrestrial studies with arthropods. The available long-term studies with soil macroorganisms, terrestrial plants and soil microorganisms all indicate that the substance is unlikely to cause effects up to a concentration of 1000 mg/kg soil dw. No effects were recorded in each study. Since the selected test organisms cover different routes of exposure (particle-bound substance and soil pore water) in the terrestrial ecosystem an additional study with terrestrial arthropods is not considered to be necessary.