1. Helmholtz Zentrum München, German Research Center for Environmental Health (GmbH), Ingolstädter Landstr. 1, 85764 Neuherberg, Germany
2. Department of Earth and Environmental Sciences, University of Waterloo, 200 University Avenue, West Waterloo, Ontario, Canada
3. Center for Applied Geoscience (ZAG), Eberhard Karls University Tübingen, Sigwartstr. 10, D-72076 Tübingen, Germany
4. Centre for Hydrogeology and Geothermics (CHYN), University of Neuchâtel, Rue Emile Argand 11, CH-2009 Neuchâtel, Switzerland
5. Technische Universität Darmstadt, Institut WAR, Fachgebiet Abfalltechnik, Petersenstrasse 13, 64287 Darmstadt, Germany
6. Instrumental Analytical Chemistry, University Duisburg-Essen, Universitätsstr. 5, D-45141 Essen, Germany