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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 introduced in appropriate low concentrations.

Key value for chemical safety assessment

Additional information

The respiration rate of activated sludge in presence of tetrahydro-4-methyl-2-(2 -methylprop-1-enyl)pyran was tested in an activated sludge respirtation test. After 1800 minutes an EC10 > 10000 mg/l was determined (BASF SE, 2008).