VietNamNet Bridge – About 16 of the 28 lakes at southern Dong Nai Province's Bien Hoa Airbase have been found to have dangerously high concentrations of dioxin.
Authorities have told local residents not to drink or use the water.
The highest concentrations of dioxins were found to be more than 8,000 parts per trillion (ppt), eight times higher than recommended levels.
The news was released yesterday morning (March 10) at a meeting in Ha Noi. It follows a report from a project titled Environmental Remediation in Dioxin Contaminated Hotspots in Viet Nam, undertaken last year and funded by the Global Environment Facility (GEF)/ United Nations Development Program (UNDP).
Le Ke Son, director general of the Office of National Steering Committee 33, the body in charge of handling the consequences of toxic chemicals used by the United States during the war in Viet Nam, said that the dioxins were also found in new lakes located on high ground at the airbase.
The report said the most toxic dioxin, 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), was found in samples of soil and sediment taken near lakes to the north and east of the airbase.
The contamination is believed to be caused by toxic chemicals used during the American War 1959-1975.
According to experts, the level of dioxins at the airbase is higher than at airports in Da Nang and Phu Cat, two others dioxin contaminated hotspots.
READ MORE: http://english.vietnamnet.vn/fms/environment/97267/high-dioxin-levels-in-dong-nai-lakes.html
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