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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

The inhibition of the degradation activity of activated sludge is not anticipated when TPGDA introduced in appropriate low concentrations.

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Additional information

Since only single species tests on the toxicity of TPGDA to microorganisms are available a conclusion by analogy approach to DPGDA has been applied. The toxicity of DPGDA on microorganisms was tested according to OECD 209 [BASF AG, 2002]. Until the highest test concentration of 1000 mg/L no inhibiting effect on the respiration rate of the bacteria was measured.