Nicole Ott
Ms. Nicole Ott is an environmental scientist with more than 20 years of consulting experience, focused on characterization and remediation of media at sediment and upland CERCLA and Model Toxics Control Act (MTCA) sites impacted by PCBs, dioxins/furans, PAHs, and metals. She specializes in leading teams that develop allocation strategies and expert reports using forensic evaluations, sediment transport studies, and historical research. She also has extensive experience evaluating natural recovery and recontamination potential in sediments. Ms. Ott is a detail-oriented and well-organized leader, motivating her multi-disciplinary project teams, thoroughly compiling relevant information, scoping projects, directing data acquisition and presentation, interpreting results, and communicating findings to clients and other parties.
Emily Guyer, P.E.
Lisa Tolbert, E.I.T.
Jane L. Sund, P.E.
Todd Martin, P.E.
Mr. Todd Martin is a professional engineer and hydrogeochemist. He has 22 years of experience specializing in environmental engineering, the transport and fate of inorganic and organic chemicals in the environment, and analysis of remediation alternatives. Mr. Martin’s background encompasses aqueous and soil geochemistry, hydrogeology, hydrodynamics and sediment transport, and engineering design and cost analysis.
David Livermore, R.G., L.H.G., CWRE
Mr. David Livermore is a principal hydrogeologist and geochemist with 30 years of experience in solving complex earth science problems centered on the interaction of hydrogeologic, geologic, and atmospheric systems. He is a registered professional geologist in six states and a licensed hydrogeologist in Washington.
Judi L. Durda
Ms. Judi Durda is a toxicologist and ecologist with more than 30 years of experience in the health and environmental science fields, working on behalf of both government and private clients. She specializes in using science and science-based strategies to resolve issues related to the manufacture, use, or disposal of chemicals, consumer products, pharmaceuticals, and hazardous and nonhazardous wastes.
Larry F. Marx
Sarah Albano, P.E.
Shannon Ashurst
Silvia Gianetti Barber
John Samuelian, Ph.D.
Dr. John Samuelian has more than 30 years of experience in environmental consulting, analytical chemistry, database development, human and ecological risk assessment, quality assurance, site investigation design, and remedial alternatives evaluation. His projects have included PCB and dioxin sites, municipal and industrial landfills, arsenals, pulp and paper mill sites, contaminated sediment sites, radiological sites, and solvent waste sites.
Avram Frankel, P.E.
Mr. Avram Frankel is a program manager with nearly 30 years of experience working on a wide range of commercial/industrial, municipal, state, and federal sites regulated under a variety of regulatory programs. Licensed in four states, he provides clients with strategic management and technical analysis of due diligence, redevelopment, technology evaluation, remediation, and litigation matters.
Barry L. Kellems, P.E.
Mr. Barry Kellems is a principal engineer and project manager with more than 30 years of consulting experience, focusing on environmental remediation of contaminated sediments, groundwater, and soils. He has prepared feasibility studies, developed cleanup action plans, and served as project manager/engineer for a broad range of in situ and ex situ treatment projects.
Bridgette R. DeShields
Ms. Bridgette DeShields has 27 years of experience and is a specialist in regulatory strategy, site investigation, site remediation, sediment and water quality management, and environmental toxicology. She has managed programs ranging from large site investigations to screening and quantitative ecological and human health risk assessments.
Peter W. Zimmermann, P.G.
Mr. Peter Zimmermann has more than 25 years of experience in the fields of hazardous waste management, environmental due diligence, hydrogeology, constituent fate and transport, conceptual remedy design, and remedial construction. He has applied this experience on site remediation assignments, real estate due diligence assessments, site restoration projects, and expert witness and litigation support work.