1. Center for Environmental Nanoscience and Risk, Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, SC 29208, USA
2. Department of Civil and Environmental Engineering, University of South Carolina, SC 29208, USA
3. TAKUVIK Laboratory, CNRS/Université Laval, 1045, av. de La Médecine, Québec G1V 0A6, Canada
4. Géosciences Rennes, CNRS/Université de Rennes, 263 av. Général Leclerc, 35000 Rennes, France
5. Office of Research and Development, Center for Environmental Solutions and Emergency Response, US Environmental Protection Agency, 26 W. Martin Luther King Drive, Cincinnati, OH 45268, USA