Arun Gavaskar Arun Gavaskar is a Research Leader/Group Leader in the Environmental Restoration Department at Battelle, Columbus, Ohio. He has a background in chemical engineering and environmental technology, and has worked for thirteen years in the remediation and industrial pollution prevention areas. His current research interests include the remediation of a variety of groundwater, soil, and sediment contaminants, namely, DNAPL and dissolved-phase chlorinated solvents, heavy metals, and PCBs/dioxins. He also co-chaired the Second International Conference on Remediation of Chlorinated and Recalcitrant Compounds at Monterey, California in May 2000.