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. 2018 Mar 22;16(3):e05208. doi: 10.2903/j.efsa.2018.5208

Table 7.

Risk characterisation (PEC/PNEC ratio) for the sediment compartment

Taxa PECsediment (μg/kg) EC10 (mg/kg) UF PNEC (μg/kg) PEC/PNEC

Sediment‐dwelling invertebrates

Lumbriculus variegatus

5,668 1,000 10 100,000 0.057

PEC: predicted environmental concentration; EC10: the concentration that will have an effect on 10% of the population of test organisms; NOEC: no observed effect concentration; UF: uncertainty factor; PNEC: predicted no effect concentration.