1. Post Doctoral Researcher, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616.
2. Graduate Student, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616.
3. Professor, Dept. of Land, Air, Water Resources, Univ. of California, Davis, CA 95616.
4. Professor, Dept. of Chemical Engineering, Louisiana State Univ., Baton Rouge, LA 70803.
5. Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616.