Affiliation: | a Department of Civil and Environmental Engineering, University of Iowa, 4016 Seamans Center, Iowa City, IA 52242-1527, USA b Department of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, OR 97331-4003, USA c Department of Environmental Science and Engineering, Oregon Graduate Institute of Science and Technology, 20000 NW Walker Road, Beaverton, OR 97006-8921, USA |