Find an expert

Mr. Simantob is State of California licensed Professional Geologist (Number 9296) with ten years of experience in the environmental due diligence, subsurface investigation, and remediation industry. He holds a varied and extensive history in assessing environmental conditions, evaluating environmental liability and risk, developing subsurface contaminant models and corrective action plans to resolve site concerns, and executing the proposed resolutions. He has served as the direct point contact and liaison with and between responsible parties, site owners and potential purchasers, bank loan officers, bank environmental risk management officers, attorneys at law, regulatory agencies, and subject matter experts.

Mr. Simantob’s experience includes management of all phases of investigation from Phase I Environmental Site Assessment (ESA), through initial site assessment (Phase II ESA), soil, soil vapor and groundwater site characterization, human health and environmental risk assessment, contaminant fate and transport, remediation feasibility studies, bench and pilot testing of remediation technologies, full-scale remedial implementation and design optimization (soil vapor extraction, dual- and multi-phase extraction, pump-and-treat, excavation, bioremediation, monitored natural attenuation, in-situ chemical oxidation), and confirmation assessment including site close-out procedures.

He has managed sites both under client self-direction and oversight of most major California regulatory bodies including the various State of California Regional Water Quality Control Boards (RWQCBs), the State of California Department of Toxic Substances Control (DTSC), and several Certified United Program Agencies (CUPAs). Mr. Simantob has successfully obtained closure for numerous potential Brownfield sites under the oversight of regulatory agencies, and has additionally served in management of public participation and outreach activities of sensitive cleanup projects.

Mr. Simantob current serves as the Western Region Environmental Principal.