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Short-term toxicity to aquatic invertebrates

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Description of key information

Based on read across, the 48 hour EL50 is >1000 mg/l WAF

Key value for chemical safety assessment

Additional information

Wetton (1998) tested the toxicity of alkenes, C20 - 24 to Daphnia magna in an OECD 202 test. Due to the low solubility of the test substance test organisms were exposed to water accommodated fractions (WAF) and exposure concentrations were expressed as a loading rate. The test was conducted as a limit test with a single exposure concentration of 1000 mg/l WAF. No immobilisation was observed at this loading rate, so the 48 hour EL50 >1000 mg/l WAF.