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Sediment toxicity

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Description of key information

Based on a Koc value of 2,658,608 L/kg on the read-across substance C12-16 ADBAC, C12-14 ADMAES is expected to bind strongly to soil and sediment. However, the substance is ready biodegradable and has a low BCF value (i.e., 69.22 L/kg ww), and is therefore not expected to persist in sediment. 
Freshwater and marine sediment PNEC value of 9.27 mg/kg dw and 0.927 mg/kg dw were determined with the equilibrium partitioning method.

Key value for chemical safety assessment

Additional information

A sediment PNEC value of 9.27 mg/kg dwwas determined with the equilibrium partitioning method as follows:

PNECsediment freshwater = Ksusp-water * PNECaquatic * 1000 * 1 / RHOsusp (ECHA guidance document R10, May, 2008).

The sediment marine water PNEC value of 0.927 mg/kg dwwas determined with the equilibrium partitioning method using the equation:

PNECsediment marine water = Ksusp-water* PNECmarinewater * 1000 * 1 / RHOsusp (ECHA guidance document R10, May, 2008).