1. Institut National de l'Environnement Industriel et des risques (INERIS); Verneuil-en-Halatte France
2. Eawag; Swiss Federal Institute of Aquatic Science and Technology; Dübendorf Switzerland
3. Institute of Biogeochemistry and Pollutant Dynamics; ETH Zürich Zürich Switzerland
4. Swiss Federal Institute of Technology (EPF Lausanne); Lausanne Switzerland