John Edwards, RG, CEG, is a contaminant hydrogeologist with 38 years of consulting experience. Most of his work has dealt with the investigation, cleanup, and redevelopment of contaminated industrial waterfront sites. The industrial sites have included lumber mills, pulp and paper, chemical manufacturing, wood treating, aluminum reduction, petroleum refineries, petroleum bulk terminals, asphalt plants, solvent recyclers, machine shops, and others. Edwards current work is primarily focused on the design and implementation of groundwater source control measures at the Portland Harbor CERCLA site in Portland, Oregon. Edwards is a partner at Anchor QEA, LLC and leads Anchor QEA's Geosciences Discipline.