Fran Collier Fran Collier is an associate toxicologist with the Department of Toxic Substances Control (DTSC) of California EPA, located in Sacramento , California . Fran has worked as an associate toxicologist since 2004 and has reviewed numerous site-specific risk assessments. Previously, Fran worked for DTSC as a supervisor for a group responsible for overseeing site remediations in Northern California ranging from abandoned mine sites, chemical release sites, and naturally occurring asbestos issues. Fran has also worked in water quality doing limnological research and overseeing water quality enhancement projects. Fran has taught college classes on environmental monitoring and site assessment. Fran is a member of the ITRC Risk Assessment Resources team. Fran earned a bachelor's degree in zoology from the University of California at Davis in 1971 and a master's degree in environmental engineering from the California State University , Sacramento in 1987.