1. Chemical Engineer, Building and Fire Research Laboratory, National Institute of Standards and Technology, 100 Bureau Dr. Stop 8615, Gaithersburg, MD 20899 (corresponding author). E-mail: dale.bentz@nist.gov
2. Ph.D. Student and Teaching Assistant, School of Civil Engineering, Purdue Univ., 550 Stadium Mall Dr., West Lafayette, IN 47907. E-mail: gsant@purdue.edu
3. Professor and Assistant Head of Research, School of Civil Engineering, Purdue Univ., 550 Stadium Mall Dr., West Lafayette, IN 47907. E-mail: wjweiss@purdue.edu