1. Water Quality Laboratory, Metropolitan Water District of Southern California, 700 Moreno Avenue, La Verne, California 91750, Department of Civil, Environmental and Sustainable Engineering, Engineering Center (G-Wing), Arizona State University, Room ECG-252, Tempe, Arizona 85287-5306, Center for Environmental Biotechnology, Biodesign Institute, Arizona State University, P.O. Box 875701, Tempe, Arizona 85287-5701, and King Abdullah University of Science and Technology, Box 55455, Jeddah, 21534, Saudi Arabia