Tim Frederick is a human health risk assessor with EPA Region 4 in Atlanta, GA. He provides risk assessment, toxicology, and other technical support to EPA’s project managers on a wide variety of sites in the Southeast. Tim has worked in the Region’s Superfund Division since 2005 and serves on several national workgroups. Prior to joining EPA, Tim provided risk assessment and toxicology technical support to EPA as a contractor from 1996 to 2005, and he worked as an environmental consultant in Miami, Florida from 1990 to 1996. Tim has presented nationally at technical conferences, and he has provided guest lectures at local universities. Tim has been a member of the ITRC’s Incremental Sampling Methodology team since it began in 2009. Tim earned a bachelor's degree in psychology from the University of Miami in Miami, Florida in 1989 and a master’s of public health in environmental and occupational health from Emory University’s Rollins School of Public Health in Atlanta, Georgia in 1996.