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Senior Airman Ryan Smith, 379th Expeditionary Medical Group Bioenvironmental environmental program manager, places a bottled water sample into an incubator July 20, 2012 here. The test is conducted to help grow any potential bacteria which may be found in the water. More than 1.3 million bottles of water are consumed at this installation every month. (U.S. Air Force photo/Senior Airman Bryan Swink)
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