Eielson's water remains safe
Airman 1st Class Samuel Bergh adds bacteria food to a water sample Feb. 1, 2010, Eielson Air Force Base, Alaska. After incubating the water sample for 24-hours, the water sample will either read positive or negative for contamination. Airman Bergh is bioenvironmental technician assigned to the 354th Medical Operations Squadron. (U.S. Air Force photo/Staff Sgt. Christopher Boitz)