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Expert Bio

Primary Area of Expertise

Toxicology Risk Assessment

Expert Witness Profile

Dr. Troast is an environmental toxicologist responsible for the review and preparation of risk and exposure reports on soil lead, lead based paint, and other lead contaminant, arsenicals, diesel exhaust, and other air water and soil contaminants. Dr. Troast retired from the USEPA, Hazardous Waste (Superfund) Program as senior scientist and was responsible for the development of many of the guidance protocols used by EPA to address risks to adults and children from lead. His career included directing the EPA Workgroup on Metals and Asbestos which had EPA-wide oversight of national level projects. Dr. Troast and his associates provide environmental and toxicological expertise to support litigation claims dealing with exposure to metals and toxic chemicals. During his career at the USEPA Dr. Troast reviewed numerous awards for advancements in Science.

Education & Licenses

PhD, George Mason University, 2006; (Environmental Science and Policy); MS West Virginia University, 1972 (Biochemistry); BA 1969 West Virginia University (Biology)