Judith R. Qualters, PhD is the Chief of the Environmental Health Tracking Branch in the Division of Environmental Hazards and Health Effects, National Center for Environmental Health, Centers for Disease Control and Prevention. She has been a scientist at CDC since 1989 and has spent that time working in environmental health and cancer prevention and control. Dr. Qualters began her career at the CDC as an epidemiologist with the Agent Orange Projects and worked on the conceptualization and implementation of CDCís Breast and Cervical Cancer Early Detection Program and the National Program of Cancer Registries. Most recently, she as served as Chief of the Epidemiology, Risk Analysis and Communications Section in CDCís Radiation Studies Branch. Dr. Qualters received her MPH in epidemiology from the University of Michigan and her PhD in epidemiology from the University of North Carolina, Chapel Hill.    (92J)