New OHB Chief

California's Department of Health Services has named Barbara Materna as the new chief of its Occupational Health Branch (OHB). The branch performs surveillance and hazard evaluation and provides services to help prevent occupational injury and disease among the state's workers.Materna earned a PhD in environmental health from the University of California, Berkeley, in 1992. She oversees a staff of 500 and three programs, the Hazard Evaluation System and Information Service, the Occupat