1. Plasma Research Laboratory, Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, New York 13699, United States
2. Department of Civil and Environmental Engineering, Clarkson University, Potsdam, New York 13699, United States
3. GSI Environmental Inc., Austin, Texas 78759, United States
4. Air Force Civil Engineer Center, San Antonio, Texas 78226, United States