1. Department
of Chemical and Environmental Engineering, University of Arizona, 1133 E. James E. Rogers Way, Tucson, Arizona 85721-001, United States
2. School
of Civil and Environmental Engineering, Oklahoma State University, 207 Engineering, South Stillwater, Oklahoma 74078, United States
3. Department
of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721-0041, United States
4. Department of Soil, Water & Environmental Science, University of Arizona, Tucson, Arizona 85721-0041, United States