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Ecotoxicological information

Toxicity to terrestrial arthropods

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Description of key information

11 day study (microarthropods) NOEC: 11 mg/kg soil (garden soil)

11 day study (microarthropods) LC50: 41 mg/kg soil (sandy soil)

Key value for chemical safety assessment

Short-term EC50 or LC50 for soil dwelling arthropods:
41 mg/kg soil dw
Long-term EC10, LC10 or NOEC for soil dwelling arthropods:
11 mg/kg soil dw

Additional information

The reviewed semi-field study investigated the toxicity of inorganic iodine (applied as KI) to microarthropods, which included investigating the effects in springtails (Collembola), also mites (Acari) and remaining meso fauna. This uses of KI as the test substance, is considered relevant for read across to iodine as iodide is the major existent species of iodine in soil which is available for interactions with soil components. As this test is a semi-field study, there is no standardised test guideline to compare with this publication. There is a lack of data regarding the control groups in this method, and the exact numbers of arthropods in the control groups. However, the study follows scientific principles and is otherwise well documented, and is therefore considered to meet the criteria of Klimisch score 2 - reliable with restrictions. Under the protocol used in this study the NOEC ranged between 11 - 20 mg/ kg soil in three soil types.

Refer to the attached endpoint study record for further details.