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Lisa Van Tassell, P.E.

Lisa Van Tassell is a Senior Principal Environmental Engineer based in California with more than 15 years of experience focused on soil and groundwater remediation systems; site investigation and characterization,…

Jesse Varsho, P.E., P.G.

Jesse Varsho is a Principal Engineer and Geologist based in Illinois with more than 19 years of experience in environmental consulting, landfill engineering, construction quality assurance, permitting, compliance, and project…

Robert Veenstra

Robert Veenstra is a Principal Environmental Consultant based in Missouri with more than 30 years of experience focused on developing and managing complex soil, groundwater, surface water and sediment investigation…

Joe Volpe, P.G.

Joe Volpe is a Principal Hydrogeologist based in Georgia with more than 30 years of diverse experience in all aspects of water management.