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EC number: 203-678-8
CAS number: 109-53-5
The inhibition of the degradation activity of activated sludge is not anticipated when introduced in appropriate low concentrations.
As key study concerning acute toxicity to microorganisms a test
performed by BASF (1989) according to German Industrial Standard DIN
38412 part 27 was identified, using Pseudomonas putida as test organism.
In the static test an EC10 of 3376 mg/L after 30 minutes of exposure was
estimated. This result is supported by the results of a test similar to
OECD guideline 209 using industrial activated sludge as inoculum (BASF
1979). After 30 minutes an EC20 >1995 mg/L was estimated.
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