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Sediment toxicity

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In accordance with section 3 of REACH Annex XI, the study does not need to be conducted. Due to the fact that vinyl chloride is a gas, no significant concentrations are present in the sediment compartment. This is supported by exposure assessment with EUSES. A regional PEC in sediment of 3.74E-05 (d.w.) was calculated. The maximal local PEC value that was calculated for sediment was 0.336 (d.w.) (for S-PVC production). Since these concentrations are lower than the PNEC of 0.708 (d.w.) that was calculated with the equilibrium partitioning method, the study on sediment organisms is not needed.

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