Abstract
Abstract Exposure and effect assessments including risk characterisation of the surfactants alcohol ethoxylates, alcohol ethoxysulphates and linear alkylbenzene sulphonates used in household detergents were conducted. Predicted environmental concentrations were calculated by use of traditional methods and detailed transport and fate modelling. Predicted no effect concentrations were derived from the available information on the acute and chronic aquatic toxicity. Risk characterisation ratios were defined as the ratio of the predicted environmental concentration to the predicted no effect concentration. Risk characterisation ratios were calculated for fresh water and marine water and were below 1. This indicates that based on the methods employed in this study the use of alcohol ethoxylates, alcohol ethoxysulphates and linear alkylbenzene sulphonate in household detergents does not appear to present a risk to the aquatic environment.
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