As a consultant, Chris conducts chemical fate and transport analyses of pollutants emitted by a variety of industrial sources and consumer products to develop exposure and dose estimates. He also has experience evaluating potential interactions among chemicals and developing risk-based target levels for environmental remediation solutions. Chris has performed exposure and risk assessments of chemicals in the environment under the Comprehensive Environmental Response, Compensation, and Liability Act, the Resource Conservation and Recovery Act, and numerous state-lead regulatory programs. He also conducts safety assessments of consumer products under California's Proposition 65 and also provides litigation support associated with chemical exposure and regulatory issues associated with the use of risk-based corrective action.
Previously, Chris served as a consultant to the Florida Department of Environmental Protection (FDEP), advising state officials on human health and ecological risk assessment issues. He also is a contributing author on the FDEP's guidance manual on risk-based cleanup criteria for soil and groundwater.
To advance the state of the practice, Chris develops guidance for statistical procedures for site characterization and risk assessment throughout the United States. He currently serves on the Interstate Technology Regulatory Council's (ITRC) Risk Assessment Team. He previously served on the ITRC's Incremental Sampling Methodology team between 2009 and 2012, and helped to prepare the ITRC's guidance on the use of incremental sampling data for risk assessment.
He is an Adjunct Professor in the University of Georgia's College of Public Health where he provides instruction to undergraduate and graduate students on toxicology and risk assessment topics. He is a member of the Society of Toxicology and the Florida Contaminated Media Forum and is a peer reviewer for the journals Human & Ecological Risk Assessment, Environmental and Molecular Mutagenesis, and Risk Analysis.