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U.S. Air Force Senior Airman Cullen Jones, 35th Medical Group bioenvironmental engineering journeyman, tests base water for harmful bacteria at Misawa Air Base, Japan, Jan. 28, 2022. Bioenvironmental engineering conducts a range of tasks such as laser surveys, gas mask and industrial respirator fit tests, water sampling, industrial work center health risk evaluations, as well as test ventilation, noise, x-rays, and electromagnetic frequencies. (U.S. Air Force photo by Senior Airman Antwain Hanks)
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