Staff Sgt. Paul Gorham, 332nd Expeditionary Aeromedical Squadron bioenvironmental engineer, tests a sample of water for pH and chlorine levels, Dec. 10. Sampling water is one of the steps in the water quality monitoring process. Gorham is a native of Coronado, Calif., deployed from Lackland Air Force Base, Texas.
Staff Sgt. Corenthia Fennell
<a rel="nofollow" class="external free" href="https://www.dvidshub.net/image/349194">https://www.dvidshub.net/image/349194</a>