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.