1. Principal Engineer, Hazen and Sawyer, New York, NY.
2. Graduate Research Assistant, Dept. of Biological and Agricultural Engineering, North Carolina State Univ., Box 7625, Raleigh, NC 27695 (corresponding author).
3. Associate Professor and Extension Specialist, Dept. of Biological and Agricultural Engineering, North Carolina State Univ., Raleigh, NC.
4. Associate Professor, Dept. of Civil, Construction, and Environmental Engineering, North Carolina State Univ., Raleigh, NC.
5. Assistant Professor and Extension Specialist, Dept. of Biological and Agricultural Engineering, North Carolina State Univ., Raleigh, NC.