Charisma Lattao¹, Yuan Li², Joseph Pignatello³, Jingdong Mao² and Mark Chappell⁴, (1)Environmental Sciences, Connecticut Agricultural Experiment Station, New Haven, CT, (2)Dept of Chemistry, Old Dominion University, Norfolk, VA, (3)P.O. Box 1106, Connecticut Agric. Expt. Stn., New Haven, CT, (4)Engineer Research and Development Center, US Army Corps of Engineers, Vicksburg, MS