Staff Sgt. Ryan Keller, a 39th Medical Group bioenvironmental engineer, recently won Outstanding Base Bioenvironmental Engineering Airman of the Year Award in the 2010 Air Force Medical Service Annual Award Competition. Bio-personnel perform activities in the fields of industrial hygiene, occupational health, radiological health, and environmental protections to ensure healthful working conditions are maintained and that the environment is not adversely affected by Air Force operations. (U.S. Air Force photo by Staff Sgt. Alexandre Montes/Released)
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