One man's trash is another man's trash, too
Tech. Sgt. James Thompson analyzes samples for the presence of polychlorinated biphenyls, a toxic group of chemicals commonly found in older electrical transformers, Jan. 13, 2010, at Kadena Air Base, Japan. Sergeant Thompson is a Det. 3, U.S. Air Force School of Aerospace Medicine lab technician. (U.S. Air Force photo/Tech. Sgt. Rey Ramon)