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Thomas C. Ruppel, 89, died on May 31 in Pittsburgh.
“Mr. Ruppel worked as a research chemist, chemical research engineer, and environmental engineer, most recently at the US Department of Energy from 1952 to 1995. He had been a member of the American Chemical Society since 1952, having held the position of chair of the Pittsburgh Section. He was a member of the American Institute of Chemists, the American Institute of Chemical Engineers, the Air and Waste Management Association, and Toastmasters International. Mr. Ruppel founded and chaired a Department of Energy Conference on Unburned Carbon on Utility Fly Ash.”—David Ruppel, son
Most recent title: Chemical engineer, US Department of Energy
Education: BS, chemistry, 1952, Duquesne University; BS, chemical engineering, 1958, and MS, chemistry, 1966, University of Pittsburgh
Survivors: Wife, Kathleen; daughter, Anne Marie; sons, David, John, and Paul; six grandchildren
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