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Ecotoxicological information

Toxicity to soil macroorganisms except arthropods

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The chemical safety assessment for PACM (4,4'-methylenebis(cyclohexylamine)) demonstrates that 1) the exposure levels estimated in all relevant scenarios do not exceed the appropriate soil PNEC (calculated from aquatic toxicity data based on equilibrium partitioning), and 2) the likelihood and severity of an event occurring due to the physicochemical properties of the substance is negligible, according to Annex 1, Section 6.4, the criteria for adaptation are met. Specifically, all risk characterization ratios are under 1.0, and direct and indirect exposure to sediment is unlikely as demonstrated by the attached exposure assessments. Therefore, toxicity testing on soil macro-organisms is not indicated.