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EC number: 203-988-3 | CAS number: 112-59-4
The inhibition of the degradation activity of activated sludge is not anticipated when DGHE is introduced in appropriate low concentrations.
The NOEC value is ≥1000 mg/L as observed in a respiration inhibition study with activated sludge of a predominantly domestic sewage.
The toxicity of the substance to microorganisms was investigated in an activated sludge respiration inhibition study according to OECD TG 209 and in compliance with GLP criteria (BASFSE, 1999). In this study activated sludge from domestic sewage was exposed in a limit test to 1000 mg/L test substance for 30 minutes. The effects on microorganisms was determined by measuring total respiration rates and comparing these to an unexposed control. Inhibition of respiration rates was not observed. Based on these findings, the NOEC value was determined at 1000 mg/L.
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