Robert W. Dunlap, 71, founder and former CEO of Remediation Technologies Inc. (ReTec), a successful Concord, Mass., environmental services company, died on Jan. 5 in Tucson of cancer-related complications. Dunlap was ReTec president and CEO from 1985 until 1998 when it became a unit of ThermoElectron Corp. It was spun off and acquired by AECOM in 2007. Dunlap had been serving as senior consultant at engineering management consultant EFCG Inc., New York City, since 2001 and as a liaison to the World Business Council for Sustainable Development. He also was a trustee of Carnegie Mellon University, Pittsburgh.