Douglas Larson, Ph.D., P.E., LSP, MWO

Doug Larson is a Senior Principal Engineer who has worked on the investigation and cleanup of hazardous waste sites throughout the United States since 1985. He is a Licensed Site Professional (LSP) in Massachusetts and co-manages Geosyntec's Northeast Region, which has a combined staff of over 250 engineers and scientists.

Doug has designed and managed the implementation of a wide variety of remedial solutions, including bioremediation, chemical oxidation, in situ thermal treatment, physical containment, soil vapor and multi-phase extraction, air sparging, groundwater extraction and treatment, and monitored natural attenuation. He has also been the technical lead on projects involving litigation support, contaminant fate and transport modeling, feasibility evaluation, financial risk analysis, laboratory and field scale pilot testing, and treatment system design. Doug is frequently consulted on Brownfield projects and projects involving environmental liability transfers.

Well-versed in state and federal regulations governing environmental site work, Doug has consulted on projects under the control of the United States Environmental Protection Agency and numerous state regulatory agencies.  He has taught at the University of Massachusetts Lowell, is an instructor for the Princeton Groundwater Remediation Course, and lectures regularly on remediation topics at other short courses and conferences.

Contact Doug Larson at This email address is being protected from spambots. You need JavaScript enabled to view it. or +1-978-263-9588.

Career Summary: Douglas Larson, Ph.D., P.E., LSP, MWO

  • Specialties: site investigation and remediation; specialized in situ treatment technologies; environmental liability valuation; environmental management assessment and systems; industrial wastewater treatment planning and design; litigation support
  • Practice Areas: Contaminated Site Assessment and Cleanup, Environmental Management, Water Management
  • Disciplines: Civil Engineering, Environmental Engineering, Geoenvironmental Engineering
  • Education: Ph.D., Civil and Environmental Engineering, Massachusetts Institute of Technology, 1992; M.S., Civil and Environmental Engineering, Massachusetts Institute of Technology, 1989; B.S., Civil Engineering, Carnegie Mellon University, 1987
  • Registration: Professional Engineer, Massachusetts No. 41447; Pennsylvania No. 074139; Rhode Island No. 7332; Licensed Site Professional, Massachusetts No. 8237; Massachusetts Wastewater Operator No. 13078

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Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure.

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