Toxicology Experts

The toxicology experts at Robson Forensic have a thorough understanding of dose response relationships, mechanisms of action, and other fundamental principles of toxicology that are brought to bear in analyzing causation issues and determining potential adverse health outcomes following exposure to toxic substances.

Assessing the Links Between Chemical Exposures and Human Health

Robson Forensic toxicologists provide expert witness investigations in a variety of legal matters including toxic torts, workers compensation, medical malpractice, product liability, criminal investigation, and personal injury.

Toxicology Investigations Include:


  • Alcohol-related incidents; Dram shop cases
  • Analysis of breathalyzer and blood alcohol concentration (BAC) tests
  • Analysis of urine and blood alcohol tests and biomarkers (ETG, PEth)

Drugs of Abuse

  • Drugs of abuse (amphetamines, methamphetamine, benzodiazepines, ecstasy, opioids, cocaine, other narcotics)
  • Marijuana and cannabinoids
  • Synthetic cannabinoids, cathinones, bath salts
  • Analysis of drug screening and confirmatory analytical results

Prescription & Over the Counter Medications

  • Adverse prescription drug reactions (drug-drug interactions, drug-food interactions, hyper-sensitivities)
  • Adverse over-the-counter drug reactions
  • Drug safety and standard of care (prescription drugs, OTC medications, supplements)

Environmental & Workplace Exposures

  • Metals (lead, mercury, arsenic, cobalt, hexavalent chromium, nickel)
  • Pesticides and herbicides
  • Toxic gases (carbon monoxide, diesel exhaust, hydrogen sulfide)
  • Solvents (benzene, carbon disulfide, hexane, trichloroethylene)
  • Particulates (asbestos, silica, diesel exhaust)
  • Carcinogens (dioxins, tobacco smoke, ionizing radiation)
  • Industrial chemicals (acids, bases, cleaners, PCBs)
  • Allergens (peanut, mold, penicillin, insulin)
  • Natural toxins and poisons

Comprehensive Investigations

Robson Forensic can provide custom expert witness teams tailored to the specific needs of your case. Complementary disciplines include: liquor liability, pharmacy, human factors, food safety, biomedical sciences, environmental health, and industrial hygiene.

Discuss Your Case With an Expert

Call or submit an inquiry to tell us about your case. Once we determine which expert is best qualified to assist, we will put you in direct contact.

Toxicology Experts

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Related Resources

See All Toxicology Resources

Postmortem Toxicology: Can the Dead Tell Their Stories?

By Vanessa A. Fitsanakis
Expert Article

Forensic toxicologists are often called upon to determine whether drug or alcohol intoxication was a contributing factor to a vehicle crash, workplace injury, or other fatal incident. In this article,…

Adverse Drug Reactions

By Michael J. Whitekus
Expert Article

In this article, Toxicologist and Drug Safety Expert, Michael Whitekus discusses the rising use of prescription drugs in the United States and introduces two models that can be used to evaluate…

Fundamental Principles of Toxicology

By Michael J. Whitekus
Expert Article

In this article, the toxicology experts at Robson Forensic provide an introduction to some of the foundational principles relevant to their analyses, science, and casework. The principles and key…

The Combined Effect of Alcohol and THC on Driving Impairment

Thursday, November 18, 2021
2:00 - 3:00 pm
Featuring Michael J. Whitekus
Video Webinar

In this webinar, Dr. Michael Whitekus will be presenting information from a workshop that he recently presented and co-chaired on cannabis safety at the Society of Forensic Toxicology Annual Meeting.…