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What is a Toxicologist?Toxicologists study the effects of exposure to harmful chemicals and substances. The Toxicologist's job is to determine what effect a given substance has on people, animals, and/or the environment. A Toxicologist must have knowledge and experience in biology, chemistry, and forensics, and be able to apply these disciplines effectively to a broad spectrum of circumstances. For over 16 years, Toxicology Consultants & Assessment Specialists has been providing professional toxicological consulting and expert witness services to legal firms, corporations and private individuals. TCAS offers a full range of toxicological evaluation and reporting services. TCAS provides comprehensive forensic & environmental exposure and causation assessments. Toxicologists perform the initial research, testing, exposure and dose calculation necessary to assess potential or alleged toxic exposures for homicide poisoning, intoxication and chemical causation issues. Dr. William R. Sawyer, Ph.D. D-ABFM, D-ABFE, Board-Certified Toxicologist ![]() Specializations
References and Communications Routine clients include several State's Attorneys General offices, nationally-recognized plaintiff & defense law firms involved in civil litigation, municipalities, private industry non-litigation health & safety assessments, district attorney criminal prosecutors, and criminal defense attorneys. Referrals from past clients are available upon request. |
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