Air Force Tech. Sgt. Kristopher Beckwith, 768th Expeditionary Air Base Squadron bioenvironmental engineer, shakes the sample jars to thoroughly mix colisure powder and water together at Nigerien Air Base 101, Niamey, Niger, Feb. 16, 2021. Testing the water quality of bottled water from off base sources is important because bottled water is used for many purposes at Air Base 101.

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