1. Professor, Dept. of Civil and Materials Engineering, Univ. of Illinois at Chicago, 842 West Taylor St., Chicago, IL 60607 (corresponding author).
2. Assistant Professor, Dept. of Civil Engineering, Lawrence Technological Univ., 21000 West Ten Mile Rd., Southfield, MI 48075.
3. Graduate Research Assistant, Dept. of Civil and Materials Engineering, Univ. of Illinois at Chicago, 842 West Taylor St., Chicago, IL 60607.
4. President, Landfills+, Inc., 1144 N. President St., Wheaton, IL 60187.