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For the simulation of spatial concentration patterns of 'down-the-drain' chemicals mathematical models were coupled with a Geographic Information System (GIS) to predict concentrations in the receiving surface waters, using the detergent chemicals Linear Alkylbenzenesulfonate (LAS) and Boron and the Itter stream, a small tributary to the Rhine, as an example. In order to estimate the release of the...
A geo-referenced simulation methodology for the prediction of aquatic exposure to individual down-the-drain chemicals (consumer chemicals which mainly enter the environment via the domestic waste water route, e.g. detergents) is presented. This method uses real-world data, including their spatial and temporal variability and uncertainty. It results in statistical frequency distributions of predicted...
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