Worker Health Concerns in Marcellus Work Worker Health Concerns in Marcellus Work Introduction by Aaron Barchowsky, PhD, Professor, University of Pittsburgh, Graduate School of Public Health, Environmental and Occupational Health department Presented by Charles Werntz, DO, MPH, Associate Professor, Clinical Emphasis, West Virginia University, School of Medicine, Community Medicine & the Institute of Occupational & Environmental Health department (Javascript is required to view Mediasite content)