TCAS
Toxicology Consultants & Assessment Specialists, LLC

Human Health Risk Assessments


TCAS, LLC, has a strong 28-year service record and accomplished reputation for combining innovative scientific expertise and generally-accepted, peer-reviewed methodology to assess human health risks in industrial settings, product safety assessments, governmental health risk assessments and in civil litigation matters.

Dr. Sawyer has been at the center of significant risk assessment issues including defining and limiting specific areas of concern (AOCs) in environmental pollution issues, defining the limits of certified class areas in mass toxic torts and developing innovative risk-based approaches to address complex product liability health risk issues.

  • Recognized expert in risk assessment and product safety
  • Comprehensive reports
  • Governmental experience (Public Health Toxicologist)
  • Accredited clinical and environmental laboratory director
  • Cancer Risk Assessments
  • Causation Assessments
  • Chemical Risk Assessments
  • Consumer Products
  • Drugs & Pharmaceuticals
  • Environmental Risk Assessments
  • Health Risk Assessments
  • Heavy Metals
  • Molds & Fungi
  • Petroleum Toxicology
  • Site Remediation
  • Solvents & Janitorial Products

Areas of Expertise

Click on any area to view additional information

Forensic Toxicology

Forensic
Toxicology

Environmental Testing

Environmental
Testing

Toxic Exposures

Toxic
Exposures

Risk Assessment

Risk
Assessment

Causation Evaluation

Causation
Evaluation


Hazardous Substances

Hazardous
Substances

Heavy Metals

Heavy
Metals

Alcohol Toxicology

Alcohol
Toxicology

Drugs of Abuse

Drugs of
Abuse

Pharmaceutical Toxicology

Pharmaceutical
Toxicology

Consumer Products

Consumer
Products



A Message from Dr. William R. Sawyer
Chief Toxicologist, TCAS, LLC

A message from Dr. William R. Sawyer, Expert Toxicologist

"For more than 34 years, TCAS has been providing health risk assessments and toxicological guidance to state and governmental agencies, corporations and select plaintiffs and defendants. Consider the application of our experience to your case."

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Dioxin  |  LNAPL  |  Hazardous Substances  |  Heavy Metals  |  Alcohol Toxicology  |  Drugs of Abuse
Environmental Hazards  |  Industrial Chemicals  |  Hydrocarbons  |  Metals & Compounds  |  Pesticides
Pharmaceutical Toxicology  |  Consumer Products  |  Human Health Risk Assessments

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.