Gaylen Brubaker is vice president, technical director-groundwater remediation for AECOM, based in Raleigh, NC. He has 28 years’ experience and has been the technical lead on remedy selection and associated regulatory negotiations for many high-profile sites, including those containing coal tar residuals, petroleum products, creosote, chlorinated solvents and petrochemical wastes. He also develops and interprets laboratory results and pilot design studies.