Bob Maxey Bob Maxey is an Environmental Engineer in the Office of Solid Waste, Corrective Action Programs Branch. He has a B.S. in Chemical Engineering and is a Registered Professional Engineer. Mr. Maxey has been with EPA for eight years, working in areas of corrective action and hazardous waste identification. Prior to his work at EPA, he was a consulting engineer, where he designed groundwater-pump-and-treat systems, biological wastewater treatment plants and water treatment unit operations. He has also worked in synthetic fuels production and nuclear waste management.