As a part of the Purdue Geotechnical Society Workshop in West Lafayette, IN at April 19, 2013 John Mundell presented “The Design of Permeable Reaction Barriers (PRBs) for the Remediation of Chlorinated Solvent Plumes.” In addition, John spoke on the closing panel, wrapping up which bring together experts on the workshop’s theme – Soilmakers: Engineering Soil for Geoenvironmental Applications.