Registration Dossier
Registration Dossier
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EC number: 272-574-2 | CAS number: 68890-66-4
Endpoint summary
Administrative data
Description of key information
The analysis of Octopirox from two series of samples confirmed the presence of Octopirox in both sewage influent and sewage sludge. The concentrations measured for two sewage treatment plants were different. Whereas the sewage influent of STP Hannover had lower concentrations of Octopirox, the concentration in activated sewage sludge was higher compared to STP Hildesheim. Octopirox concentration in raw sewage influent of the municipal sewage treatment plant in Hildesheim was in a range of 0.92 – 1.35 µg/l. The concentration of Octopirox in activated sewage sludge was 3.40 – 4.06 mg/kg dw. For the municipal sewage treatment plant in Hannover Octopirox concentration in the raw sewage influent was in a range of 0.30 – 0.55 µg/L and 4.66 – 5.30 mg/kg dw in activated sewage sludge. Recovery rates of the fortification tests confirm the robustness of the analytical method for the determination of Octopirox in raw sewage influent and activated sewage sludge of municipal sewage treatment plants.
Additional information
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