Dr. William R. Sawyer is a Professional Toxicologist with a doctorate in toxicology from Indiana University School of Medicine. He is a diplomate of the American Board of Forensic Medicine and has over 30 years of extensive experience in Public Health and Forensic Toxicology. Forensic Environmental & Laboratory Analyses. Through education and experience, Dr. Sawyer has gained extensive expertise in Forensic Petroleum Analyses, Environmental and Clinical Forensic Analyses. With over 23 years of laboratory experience and over 14 years experience as a licensed environmental and forensic laboratory director in New York State, he has directed forensic laboratory analyses, sampling protocol and chain-of-custody in criminal and civil matters and has provided petroleum spill assessments to multiple clients including governmental environmental agencies (NYSDEC), Departments of Justice, various State Attorney General Offices (New York, Montana), defense and plaintiff law firms and industry. Petroleum spill and exposure assessment reports have provided an objective determination to within a reasonable degree of scientific certainty. Dr. Sawyer is a noted author having written numerous publications, abstracts, treatises and editorials on subjects within his field of expertise. He has also delivered professional presentations on the "Fundamentals of Medical Toxicology" and "Reactive Airways Dysfunction Syndrome (RADS)" to such entities as The American Board of Forensic Medicine & The American College of Forensic Examiners among others. Lisa Myers interviews Dr. Sawyer on NBC Nightly News As a Board Certified Toxicologist, Dr. Sawyer provides impartial toxicological evaluations involving:
Forensic Geology Industrial Groundwater Pollution Toxic Tort Strategy Environmental Surface and Groundwater Pollution Mapping of Surface and Groundwater Contamination Forensic Hydrology Groundwater Computer Modeling Aquifer Systems Analysis Hazardous Spill Releases Geological and Geophysical Data Acquisition, Processing and Analysis Geological and Geophysical Mapping of Reservoirs Observational Field Programs Reflection and Refraction Seismology Forensic Seismology Seismic Investigations Oil and Gas Operations and Operator Performance Marine and Land Seismic Operations Value Analysis of Proprietary Geophysical and Geological Data 2D and 3D Reflection Seismology Modeling and Analysis Fluid Dynamics and Reservoir Analysis Toxic Fluid Migration Class Action and Force Majeure Cases
Technical assistance to counsel in litigation involving Fires and Explosions, Chemical and Environmental Forensics, Hazardous Waste and Materials, Regulatory Compliance, Dioxins, and injury or chemical exposure claims including those due to hazardous materials or operations. We provide the technical expertise and develop the evidentiary basis for legal arguments relying on or involving:
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For over 40 years, Chuck Dutill, P.E., D.F.E. has been performing hydrology and environmental engineering nationwide. He has focused on wastewater, stormwater, flooding, sewers, septic systems, groundwater, drainage, hydrology, hydraulics, drinking water, mold, erosion, and air quality. The hydrology, civil engineering, and environmental engineering work of Mr. Dutill has been heavily concentrated in:
Mr. Dutill also has significant engineering experience in the areas of design, construction management, operation and maintenance assistance, and community acceptance. He serves as a civil engineer, environmental engineer, and hydrologist on a consulting basis for private, institutional, and governmental clients. Expertise:
CV Available Upon Request View Mr. Dutill's Expert Witness Profile.
Philip T. Tringale, PhD, PE is a registered Professional Civil Engineer with over 25 years of Environmental Consulting experience. Dr. Tringale has served in senior technical and management positions throughout his thirty year professional career. With experience gained from a start-up consulting firm as well as from well-established engineering companies, he continues to focus his energies on leading technical projects and overseeing technical and geographic expansion activities.
Consulting Services Include:
As a registered professional engineer, Dr. Tringale has directed numerous site assessments and remediation programs involving soil and groundwater contaminated primarily by organic solvents, metals, and petroleum products. He has particular expertise in site characterization and in the use of in-situ testing to evaluate soil properties. Dr. Tringale has provided final design for remedial actions that involve excavation, containment, bioremediation, vacuum extraction, monitoring, and groundwater treatment.