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4th AMDS, 4th CES work together to keep base water safe

U.S. Air Force Airmen 1st Class Andrea Spanjer and Oshane Wint test the chlorine and pH levels in water samples collected on Seymour Johnson Air Force Base, N.C., May 1, 2012. Bioenvironmental apprentices require at least 14 on-the-job training hours before they are allowed to conduct bacteria testing on their own. Spanjer, 4th Aerospace Medicine Squadron bioenvironmental apprentice, hails from Seattle. Wint, 4th AMDS bioenvironmental engineer apprentice, hails from Englewood, N.J. (U.S. Air Force photo/Airman 1st Class Aubrey Robinson/Released)

VIRIN: 120501-F-YC840-172.JPG
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