1. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Alaska Fairbanks, P.O. Box 755900, Fairbanks, AK 99775.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of California–Davis, One Shields Ave., Davis, CA 95616 (corresponding author).
3. Professor, Dept. of Structural Engineering, Univ. of California–San Diego, 9500 Gilman Dr., La Jolla, CA 92093.
4. TDA Specialist, GHD, 2235 Mercury Way, Suite 150, Santa Rosa, CA 95407.
5. Integrated Waste Management Engineer, California Integrated Waste Management Board, Special Waste Division, 1001 I St., Sacramento, CA 95812.
6. Senior Waste Management Engineer, California Integrated Waste Management Board, Special Waste Division, 1001 I St., Sacramento, CA 95812.