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Ecotoxicological information

Toxicity to soil microorganisms

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Bisphenol A is readily biodegradable. There are available soil studies, including ones with terrestrial plants, soil macroorganisms and terrestrial arthropods that adequately characterise the toxicity of Bisphenol A in the soil environment. Since Bisphenol A is only intermittently applied to soil as a possible component of sewage sludge, exposure to Bisphenol A in the soil environment would be limited and transient. Furthermore, a test towards terrestrial microorganisms should be proposed by the registrant if the chemical safety assessment indicates the need to further investigate the effects on terrestrial organisms. For the risk characterisation of the terrestrial compartment, a PNEC soil derived on initial concentrations of Bisphenol A applied to soils was used. As the risk characterisation yields a PEC/PNEC ratio smaller than 1, a test towards terrestrial microorganisms is not necessary as the risk towards the terrestrial compartment is sufficiently described based on the already available data.

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