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Respiration Rates and Percent Inhibitions
EXP1200078 Abiotic Treatment
1Calculations performed using MS Excel 2010 in full precision mode. Manual calculations may differ slightly.
NA - Not Applicable
The potential effect of EXP1200078 on activated sludge microorganisms maintained in an aerobic environment was assessed by the Activated Sludge Respiration Inhibition Test Method (OECD Guideline 209). Testing was done with three different concentrations and a control (0, 10, 100 and 1000 mg/L), and dichrlorophenol was used as a positive control. The positive control performed within previous limits, and there was no effect from the test material at any of the concentrations inluding the highest (1000 mg/L). Therefore, EXP1200078 does not impact microorganisms within the limits of this study.
A GLP compliant study in accordance with the OECD (209) reported that there was no appreciable inhibition of respiration measured at the concentration tested, thus EC 50 value can be presumed to be greater than 1000 mg/l.
In a GLP compliant study conducted in accordance with the OECD 209 guideline, the test substance was evaluated to determine its potential to inhibit the respiration of activated sewage sludge. No appreciable inhibition of respiration was measured at the concentrations tested. Therefore, an EC50value can be presumed to be greater than 1000 mg/l.
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