1. Assoc. Prof., Dept. of Civ. and Envir. Engrg., Univ. of California, Los Angeles, CA 90095 (corresponding author). E-mail: tharmon@ucla.edu
2. Grad. Res. Asst., Dept. of Civ. and Envir. Engrg., Univ. of California, Los Angeles, CA 90095.
3. Grad. Res. Asst., Envir. Sci. and Engrg. Program, Univ. of California, Los Angeles, CA 90095.
4. Res. Chemist, Dept. of Civ. and Envir. Engrg., Univ. of California, Los Angeles, CA 90095.