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Toxicity to microorganisms

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Description of key information

The 16-h EC10 for TAME in Pseudomonas putida is 25 mg/l, applying a safety factor of 2 to this values results in a EC10 of 12.5 mg/l for ETBE.

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
12.5 mg/L

Additional information

No studies with micro-organisms are available for ETBE; a study with Pseudomonas putida is available for TAME, the 16-h EC10 is 25 mg/l (SafePharm Laboratories, 2003c), applying a safety factor of 2 to this value results in an effect concentration of 12.5 mg/l for ETBE. This value will be used in the assessment.