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Short-term toxicity to aquatic invertebrates

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In a key static 48-hour short-term Daphnia magna toxicity test (OECD 202; KS=1), 40 animals/loading were exposed to the WAF of residual aromatic extract (PSG 1857; CAS # 64742-10-5) at a nominal concentrations of 1000 mg/L. The EL50 was >1000 mg/L. The NOEL was ≥ 1000 mg/L based on immobilisation (BP Oil Europe, 1994b).

 

In a supporting static 48-hour acuteDaphnia magna limit test (OECD 202; KS=2), 20 animals/dose were exposed to residual oil (EL-4199) at a nominal concentration of 100 mg/L WAF. The 48-hour EL50 was > 100 mg/L and the NOEL was ≥ 100 mg/L based no immobilization (Kuwait Petroleum, 2005a).