Dr. David Brew is a consultant focused on toxicology, occupational health, industrial hygiene and safety, risk assessment, and state of the art. He is currently focused on asbestos, airborne particles, silica, e-cigarettes (vaping), radionuclides, carbon monoxide poisoning and environmental toxicology (over a wide range of issues). His current projects are involved in litigation work, interpreting toxicological studies, conducting exposure assessments, assessing mathematical models for dose-response curves, and characterizing risks posed by chemicals in the environment and workplace. He has a Ph.D. in Environmental Health Science from the University of Georgia.