1. Associate Research Hydrogeologist, Desert Research Institute, Nevada System of Higher Education, 2215 Raggio Parkway, Reno, NV 89512.
2. Professor and Kellet Fellow, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin–Madison, 1415 Engineering Drive, Madison, WI 53706.
3. Laboratory Fellow, Battelle Pacific Northwest Laboratories, 3200 Q Avenue, Richland, WA 99352.
4. Associate Professor, Dept. of Civil and Environmental Engineering, Florida State Univ., Tallahassee, FL 32310.
5. Associate Research Professor, Desert Research Institute, Nevada System of Higher Education, 2215 Raggio Parkway, Reno, NV 89512.