1. Dep. of Civil, Geological, and Mining Engineering; Ecole Polytechnique de Montréal; P.O. Box 6079 Station Centre-Ville Montreal Quebec Canada H3C 3A7
2. NSERC Industrial Chair in Site Remediation and Management; Department of Chemical Engineering, Ecole Polytechnique de Montréal; P.O. Box 6079 Station Centre-Ville Montreal Quebec Canada H3C 3A7