1. Ph.D. Candidate, Natural Resources Engineering Facility, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Environmental Engineering Room 6-029, Edmonton, AB, Canada T6G 2R3.
2. Environmental Engineer, Dept of Civil and Environmental Engineering, Univ. of Alberta, 9321-173 St. NW, Edmonton, AB, Canada T5T 3C4.
3. Professor of Environmental Engineering, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, AB, Canada T6G 2W2 (corresponding author).