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Long-term toxicity to aquatic invertebrates

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Description of key information

The 21 day NOELR is 125mg/L WAF.

Key value for chemical safety assessment

Additional information

Putt (2003a and 2003b) tested the chronic toxicity of two category members to Daphnia magna in OECD 211 tests. Due to the low solubility of the test substances the tests were conducted as semi-static tests with Water Accommodated Fractions (WAF). Both studies were conducted as limit tests with a single test concentration of 125mg/L WAF. The endpoints measured were mortality, timing of first brood, number of offspring and length and weight of offspring. No effects were observed on any endpoint in either test. The 21 day NOELR is therefore 125 mg/L WAF.