1. Dept. of Civil Engineering, Univ. of New Mexico, Albuquerque, NM 87131 (corresponding author).
2. CH2M-Hill, 6001 Indian School NE, Albuquerque, NM 87109.
3. Dept. of Chemical and Nuclear Engineering, Univ. of New Mexico, Albuquerque, NM 87131.
4. Sandia National Laboratories, Albuquerque, NM 87185.
5. Rocky Mountain Remediation Services, 1819 Denver West Dr., Building 26, Suite 200, Golden, CO 80401.