FILE- Attendants sit next to a field contaminated with dioxin before a ceremony marking the start of a project to clean up dioxin left over from the Vietnam War, at a former U.S. military base in Danang, Vietnam, Aug. 9, 2012. (AP Photo/Maika Elan, File)
HANOI, Vietnam (AP) — At a former American air base in southern Vietnam, work abruptly stopped last month on efforts to clean up tons of soil contaminated with deadly dioxin from the military’s Agent Orange defoliant.
