Air Quality Expert Witnesses

Toxicology, Environmental - risk assessment, public health, air quality, NAAQS, risk-based corrective action, ozone (O3), nitrogen oxides (NO2), sulfur dioxide (SO2), hydrogen sulfide (H2S), particulate matter (PM), chemicals

Dr. Lucy Fraiser is a board-certified toxicologist with over 25 years of experience in the areas of exposure and risk assessment, health effects and toxicology evaluations, development of quantitative toxicity criteria, development of risk-based air quality guidelines and soil cleanup criteria, and risk communication. Dr. Fraiser has conducted hundreds of exposure assessments for chemicals used in pharmaceutical laboratories and industrial processes, chemicals applied to control pests and unwanted vegetation, and chemicals released as unwanted by-products of chemical and product manufacturing, combustion of fossil and waste-derived fuels, generation of electricity, petroleum refining, smelting, rock crushing, and activities at military installations. Dr. Fraiser has been qualified as an expert, deposed, and has provided expert testimony in contested case hearings, criminal case hearings, Federal Civil suits, and toxic tort litigation on numerous occasions.

Occupational Medicine, Public Health - Chemical Exposures, Heat Injuries, Asbestos, Dust, Mold, Air Quality, Heavy Metals, Radiation, Toxicology, Fitness for Duty, Return to Work, Malingering, Stress, Violence, PTSD, Personal Injury, Disability, Chronic Pain, Telemedicine, Primary Care, Urgent Care, Public Health and Coronavirus COVID-19

Harvard Instructor of Physicians, Harvard-trained (Residency & MPH), double board-certified, full-time practicing physician in Occupational and Environmental Medicine, Public Health, and General Preventive Medicine. Medical expert work with the Massachusetts Institute of Technology (MIT), the World Health Organization (WHO), American College of Occupational and Environmental Medicine (ACOEM), and MDGuidelines®. Published original research on Long Term and Short Term Disability in ACOEM’s Journal of Occupational and Environmental Medicine and chapter author of Psychological Factors and Workforce Health in ACOEM’s Occupational Health Guide. Published with the World Health Organization in the Journal of Infectious Disease on Ebola infections in health care workers. His involvement in the coronavirus (COVID-19) response includes instructing medical, health, and safety professionals, creating policies and procedures, directing preventive medicine and public health, mitigating transmiss...

Toxicology, Environmental - risk assessment, public health, air quality, NAAQS, risk-based corrective action, ozone (O3), nitrogen oxides (NO2), sulfur dioxide (SO2), hydrogen sulfide (H2S), particulate matter (PM), chemicals

Dr. Lucy Fraiser is a board-certified toxicologist with over 25 years of experience in the areas of exposure and risk assessment, health effects and toxicology evaluations, development of quantitative toxicity criteria, development of risk-based air quality guidelines and soil cleanup criteria, and risk communication. Dr. Fraiser has conducted hundreds of exposure assessments for chemicals used in pharmaceutical laboratories and industrial processes, chemicals applied to control pests and unwanted vegetation, and chemicals released as unwanted by-products of chemical and product manufacturing, combustion of fossil and waste-derived fuels, generation of electricity, petroleum refining, smelting, rock crushing, and activities at military installations. Dr. Fraiser has been qualified as an expert, deposed, and has provided expert testimony in contested case hearings, criminal case hearings, Federal Civil suits, and toxic tort litigation on numerous occasions.

Meteorology - air quality, modeling, expert witness, forensic meteorology, airborne exposure, meteorology, risk assessment, exposure assessment, AERMOD, CALPUFF, agriculture, lead, PFAS, PFOA, measurement, odor, noise, deposition, model performance, monitoring

David Sullivan is a Certified Consulting Meteorologist (awarded by the American Meteorological Society in 1980) with 47 years of professional experience. His focus is on toxic air pollution including air quality modeling and air quality and meteorological monitoring. He has managed many major air quality studies for the U.S. EPA, including urban-scale studies in multiple urban centers in the U.S. and Eastern Europe, including the study that was conducted by the EPA in West Virginia in response to concerns based on the tragedy in Bhopal, India. Mr. Sullivan directed the U.S. air quality analysis in the first phase of the US Trade & Development Agency’s / US State Department’s “Breathe Easy Jakarta” project. He has been providing expert testimony since being certified in 1980. Mr. Sullivan’s testimony has included industrial airborne emissions from smelters, chemical facilities, the steel industry, pesticide exposures, wood dust exposures, salt drift, exposures associated with w...