Analytical Method development for trace organic industrial and agricultural contaminants eg., Polychlorinated Biphenyl (PCBs), Polychlorinated Dibenzo-dioxin (PCDDs) and -furan (PCDFs) and Pesticides.

Transport and fate of persistent organics in the Biosphere, Lithosphere und Hydrosphere.

Environmental Risk Assessment with ecotoxicological parameters.

Human Health Risk Assessment using Dioxin Toxic Equivalent Factors (TEFs) for accidentally (eg. Yusho), occupationally and environmentally exposed groups.

Structure Activity Relationship (SAR) in understanding the metabolism and environmental fate of PCBs

Marine Biogeochemistry: PCBs as anthropogenic Tracers.
Hormone disruption studies eg., Nonylphenol and PCBs.