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Short-term toxicity to fish

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Key value for chemical safety assessment

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A sample of diesel fuel was tested in rainbow trout (Oncorhynchus mykiss) under semi-static conditions in a 96-hour acute test (OECD 203). The test was undertaken using water accommodated fractions. The 96hr LL50 was determined to be 65 mg/L.

Supporting PETROTOX (version 3.06) modelled values are available. PETROTOX combines a partitioning model (used to calculate the aqueous concentration of hydrocarbon components as a function of substance loading) with the Target Lipid Model (used to calculate acute and chronic toxicity of non-polar narcotic chemicals). PETROTOX computes toxicity based on the summation of the aqueous-phase concentrations of hydrocarbon block(s) that represent a petroleum substance and membrane-water partition coefficients (KMW) that describe the partitioning of the hydrocarbons between the water and organism. The model predicted an acute LL50 to be 3.66 mg/L.

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