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EC number: 445-790-1
CAS number: 404362-22-7
The effect of the test material on the respiration of activated sewage sludge gave a 3-Hour EC50 of 70 mg/L. The No Observed Effect Concentration (NOEC) after 3 hours exposure was 10 mg/L.
A study was performed to assess the effect of the test material on the
respiration of activated sewage sludge. The method followed that
described in the OECD TG 209.
Following a preliminary range-finding test, activated sewage sludge was
exposed to an aqueous dispersion of the test material at concentrations
of 10, 32, 100, 320 and 1000 mg/L for a period of 3 hours at 21°C with
the addition of a synthetic sewage as a respiratory substrate. The rate
of respiration was determined after 30 minutes and 3 hours contact time
and compared to data for the control and a reference material,
The effect of the test material on the respiration of activated sewage
sludge gave a 3-Hour EC50 of 70 mg/L. The No Observed Effect
Concentration (NOEC) after 3 hours exposure was 10 mg/L.
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