**About the Editors**

#### **Franz-Georg Simon**

Franz-Georg Simon is the head of BAM's division Contaminant Transfer and Environmental Technologies. Before joining BAM in 1998, he worked at the ABB Corporate Research Center in Baden (Switzerland). He received a degree as Diplom-Chemiker from University of Frankfurt/Main and Dr. rer. nat. from University of Mainz. His main research areas are the recovery of resources from waste and the assessment of the environmental compatibility of secondary raw materials.

#### **Ute Kalbe**

Ute Kalbe earned her Master's degree in 1983 and PhD in 1995 in crystallography, both obtained from Humboldt University, Berlin. For seven years of her career, she worked for the Department of Soil Science within the Technical University of Berlin. Since 1997, she has been working in the division Contaminant Transfer and Environmental Technologies at the Federal Institute for Materials Research and Testing (BAM) in Berlin, Germany. Her research interests include soil and site assessment, recycling of waste and resource recovery, particularly from incineration bottom ash, long-term behavior of landfill liners, soil pore structure characterization, and environmental compatibility of synthetic sports surfaces. In this context, she has actively been involved especially in the development, standardization and validation of leaching procedures at the national, European and international levels. She is currently the head of the Expert Advisory Board on Soil Testing Procedures of the German Federal Ministry for the Environment and Consumer Protection.
