The University of Vienna is one of the largest research universities of Central Europe. 93,000 students are currently enrolled at the University and 6,800 members of the scientific staff engage in teaching and research. The Department of Environmental Geosciences at UNIVIE focuses research activities in five fields: Nanogeosciences & Nanosafety, Environmental Contaminant Dynamics, Hydrogeology, Biogeochemistry and Isotope Geochemistry. It maintains a unique, world leading laboratory infrastructure for the identification, quantification & characterization of nanoparticles in complex samples.