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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

Key value for chemical safety assessment

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Information on short term toxicity to aquatic algae and cyanobacteria was available for vacuum gas oils, hydrocracked gas oils and distillate fuels.

The Shell (6304) study reported a 72 h ErL50 value of 22 mg/L for diesel fuel. Clark (2003) reported the same 72 h value when ultra low sulphur diesel was tested (EL50 = 22 mg/L). The Shell (6304) study has been chosen to represent this endpoint. It is a reliable (2), GLP compliant, near guideline study with no restrictions, it is fully adequate for assessment.