Sarah is a Toxicologist and Senior Risk Assessment Scientist with six years of experience in toxicology, exposure science, and risk assessment.  She has a MS in environmental health with a specialty in toxicology from the University of Massachusetts Amherst, and a BS in biology from Saint Michael’s College.  Sarah’s work has involved evaluating potential human health risks associated with exposures to a variety of chemicals, including, but not limited to, asbestos, nitrosamines, silica, phthalates, parabens, polybrominated diphenyl ethers (PBDEs), flavoring ingredients, and harmful or potentially harmful constituents (HPHCs) in alternative tobacco products. She has conducted human health risk assessments examining potential hazards associated with trace contamination of N-nitrosodimethyamine (NDMA) and N-nitrosodiethylamine (NDEA) in pharmaceutical products. She has also advised pharmaceutical companies in selecting appropriate comparators on which to estimate interim Acceptable Intakes (AI) for novel nitrosamines detected in various drug products. In addition, she has provided technical support to manufacturers of alternative tobacco products in their submission of FDA Premarket Tobacco Applications. She also has expertise in conducting qualitative and quantitative exposure assessments related to occupational and non-occupational exposures to asbestos-containing products. In addition, she has experience in providing technical support in various class-action litigation matters in the United States and Canada related to nitrosamines, asbestos, and electronic nicotine delivery systems.