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Toxicity to microorganisms

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Toxicity of TMQ to activated sludge was tested by Bayer AG (2000) with a mixed population of different microorganisms from a domestic STP and after 3 hours of exposure the EC50 was reported to be higher than 10000 mg/l. The method used was similar to the OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test).

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