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Photo by Graham Snodgrass Defense Centers for Public Health-Aberdeen Defense Centers for Public Health-Aberdeen industrial hygienist Emma Bieniek and Spc. Jeremy Rohrer use a Q-Trak direct reading instrument to assess indoor air quality parameters at the Edgewood Area of Aberdeen Proving Ground, Maryland. DCPH-A’s Occupational Medicine and Industrial Hygiene specialists work together to understand what issues Department of Defense civilian and military staff are facing in the various workplaces, and to create ways to keep these workers safe and healthy. (Defense Centers for Public Health-Aberdeen photo by Graham Snodgrass)