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Ecotoxicological information

Short-term toxicity to fish

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Description of key information

The lowest acute toxicity value for freshwater fish was the 96h LC50 for American flagfish, Jordanella floridae which was 28.3 mg/l. For marine water fish the lowest toxicity value was the 96h LC50 16 mg/l found in Limanda limanda.

Key value for chemical safety assessment

LC50 for freshwater fish:
28.3 mg/L
LC50 for marine water fish:
16 mg/L

Additional information

Several studies with both freshwater and marine fish are available. For the freshwater compartment a flow-through study with the American flagfish Jordanella floridae, conducted according to the EPA-660/3-75-00 guideline was found to be the most critical (Smithet al.1991). The 96-h LC50 was 28.3 mg/l. For the marine compartment a flow-through study with the dabLimanda limanda, was found to be most critical (Pearsonet al.1975). Although this study was not conducted according to an accepted guideline the study was a well conducted near-guideline study, the 96-h LC50 was 16 mg/l. Other studies were less critical and/or not reliable.