SPANGDAHLEM AIR BASE, Germany Sept. 5, 2012 –Senior Airman David Spivey, 52nd Civil Engineer Squadron water and fuels system maintenance technician, takes a sample of wastewater from a tank during a daily sample inspection at the wastewater treatment facility here. Samples are taken daily from every stage of the treatment process to ensure they meet German environmental standards. The facility processes wastewater from the base to remove any hazardous chemicals it may contain before it is released back into the environment. (U.S. Air Force photo by Senior Airman Christopher Toon/Released)
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