Company: Principals

Christopher M. Long, Sc.D.

Dr. Long is an environmental health scientist with experience in the areas of exposure assessment, indoor air pollution, human health risk assessment, and statistical data analysis. Dr. Long has several years consulting experience in the risk assessment field. At Gradient, Dr. Long has been involved in fate and transport analyses, litigation support, and exposure modeling. Prior to joining Gradient, Dr. Long completed his doctorate in environmental science and engineering at the Harvard School of Public Health. While at Harvard, Dr. Long conducted a comprehensive study investigating the sources and toxicity of indoor particulate matter in residential homes. He received a U.S. EPA graduate fellowship for this work, and he is first author on several recent papers on indoor and outdoor particulate matter.

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