Arsenic: Natural and Anthropogenic

Jorg Matschullat graduated as Geologist (B.Sc.) from the Technical University of Clausthal, received his Masters Degree (Dipl. Geol.) from the University of Tubingen, and Dr. rer. nat. in geology and geochemistry from the University of Gottingen. He performed Post-Doctorates at the universities of Clausthal and Heidelberg, Germany. As of 1999, Jorg is full professor of geochemistry and geoecology at the Technical University Bergakademie Freiberg, Director of its Interdisciplinary Environmental Research Centre (IoZ), and Dean of the Faculty of Geosciences, Geoengineering and Mining of TU Bergakademie Freiberg. his areas of interest are: atmospheric and climate science, environmental geochemistry and earth system science.Eleonora Deschamps graduated as Chemical Engineer (B.Sc.) from the Federal University of Minas Gerais (UFMG) in Belo Horizonte, Brazil and received an Engineering Degree (Dipl.-Ing./M.Sc.) from the Rheinisch-Westf'sche Technische Hochschule (RWTH) in Aachen, Germany. She received her Doctoral Degree (PhD) in metallurgic engineering from the College of Engineering at UFMG. Today, Eleonora is professor at the FUMEC University Center of Environmental Engineering, and works as manager of the Division for Industrial Solid Waste at the FEAM Department for Industrial processes and Environmental Analysis, Belo Horizonte. Her areas of competence are: ore treatment, environmental geochemistry, controlled waste disposal, licencing and control of mining activities and chemical industry.