TCAS
Toxicology Consultants & Assessment Specialists, LLC

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Fatal Accident Caused by Long-Term Drug Use?   Case Studies in Toxicology: Fatal Accident Caused by Long-Term Drug Use?
This toxicological case study illustrates the methods and means by which presumed causation can be refuted through interpretation of objective scientific evidence. It summarizes the events following the death of an elderly man involved in a motor vehicle accident and demonstrates how pharmacological factors and behavior on the part of the defendant... (more)

Acute Marijuana Intoxication   Case Studies in Toxicology: Acute Marijuana Intoxication
Contributes to Fatal Motorcycle Accident This case study illustrates how circumstantial evidence can be misinterpreted and how drug-impaired judgment and behavior can be regarded as evidential in a toxicological causation assessment. Accident Summary A motorcyclist was fatally injured when he collided with a city bus in a business district. a,b A motorcyclist... (more)

Professional Experience and Toxicological Specializations   Professional Experience and Toxicological Specializations
TCAS has assessed hundreds of different types of toxic substances and exposure effects. [a] TCAS provides professional, comprehensive forensic and environmental exposure analysis, risk assessments and causation determinations. With more than 28 years of hands-on experience, our cases cover a vast range of toxic exposure-related issues combining toxicological... (more)

Dr. William R. Sawyer, Toxicologist   Home: Dr. William R. Sawyer, Toxicologist
Ph.D., Diplomate, American Board of Forensic Medicine D-ABFM Dr. William R. Sawyer is an expert forensic toxicologist For more than 28 years expert toxicologist Dr. William R. Sawyer has been providing forensic toxicology consulting services and expert testimony. A diplomate of the American Board of Forensic Medicine, Dr. Sawyer has extensive experience... (more)

Site Map   Site Map
Toxicology Consultants and Assessment Specialists, LLC TCAS has devoted its website to the role of the expert toxicologist and the science of toxicology. The following pages present both original and edited public-domain information compiled as a useful educational resource. This site map is a content reference intended to assist with rapid location... (more)

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This is an informational and instructional website devoted to toxicology. It presents both original and edited public-domain content compiled as a useful educational resource. References and footnotes have been included wherever possible and image sources have been cited where appropriate. Although most pages can be printed or downloaded as PDF files (and we encourage you to make constructive use of our information), this website is copyrighted and material may only be reproduced and/or distributed with prior permission from TCAS, LLC.