Company: Principals
David E. Langseth, Sc.D, P.E.
Dr. Langseth is a registered professional engineer with over 25 years domestic and international experience in consulting and academic settings. He has led investigations, feasibility studies, risk assessments, and remedial actions at NPL and RCRA site and for mergers and acquisitions. Facility types have included chemical/petrochemical, mineral mining/processing, manufactured gas, and waste disposal. Dr. Langseth has dealt with a wide variety of contaminants, including mercury, other heavy metals, chlorinated solvents, pesticides, PCBs, dioxins, and hydrocarbons. He has also performed water supply planning and environmental impact studies. Dr. Langseth has provided expert support and testimony for litigation issues surrounding chemical fate and transport, groundwater supply and contamination, remediation programs, and water quality management. Additionally, he has performed numerous environmental audits and environmental management system assessments for major industrial corporations. Dr. Langseth earned his Sc.D. in Civil Engineering from MIT and his B.A. in Mathematics from the University of Minnesota.
