1. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of South Florida, 4202 E. Fowler Ave., ENB 118, Tampa, FL 33620 (corresponding author).
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of Massachusetts, Dartmouth, MA.
3. Environmental Engineer, Tighe & Bond, Westfield, MA 01085.
4. Graduate Research Assistant, Georgia Institute of Technology, Atlanta, GA.
5. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Massachusetts, Dartmouth, MA.