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EC number: 203-907-1
CAS number: 111-78-4
- Oxygen consumption of controls:
Control 1: 29.48 mg O2/(l * h)
Control 2: 30.30 mg O2/(l * h)
Difference: 2.7 %
- Effect data: Percent inhibition (relative to arithmetic mean oxygen consumption of controls)
220 mg/l: -2.7 %
440 mg/l: 5.0 %
880 mg/l: 16.6 %
1760 mg/l: 50.3 %
3520 mg/l: 81.2 %
The inhibitory effects of 1,5 -cyclooctadiene on the respiration rate of
activated sludge were determined over a contact time of 3 hours
according to EU method C.11 (Hüls AG, 1998). The inhibitory effect of
the test substanceat a particular concentration was expressed as a
percentage of the mean respiration rates of twocontrols. The following
EC50 value was calculated from determinations at 5 different
concentrations ranging from 220 to 3520 mg/L:
EC50 (3 hours): 1745 mg/L
The study was assessed as "reliable without restrictions".
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