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EC number: 700-158-7
CAS number: 1092834-40-6
SH-1 was considered to have had no
biologically significant inhibitory effect on the respiration rate of
activated sludge at any of the concentrations employed in the test. The
EC20, EC50 and EC80 of the test substance could not be calculated but
these must be greater than 1000 mg/L, the highest level tested.
The three-hour EC50 for 3,5-DCP (6.8 mg/L)
fulfilled the validity criterion relating to sensitivity to inhibition
(acceptable EC50 range 5 to 30 mg/L). The validity criterion relating to
the respiration rates in the control (variation not greater than 15%)
was also satisfied.
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