Persistent Organic Pollutants in Vietnam Levels, Patterns, Trends, and Human Health Implications

Persistent Organic Pollutants in Vietnam Levels, Patterns, Trends, and Human Health Implications 

Tn Binh Minh, Nguyen Hung Minh, Hisato Iwata, Shin Takahashi, Pham Hung Viet, Bui Cach Tuyen and Shinsuke Tanabe 

Production and usage of persistent organic pollutants in Vietnam 

The information about usage of PCBs in Vietnam is still obscure. Statistical data showed that 27,000-30,000 tons of oils contaminated by PCBs were imported from former USSR, China, and Rumania (Sinh et al., 1999). In addition, electrical equipments like transformer containing PCBs were also imported from Australia until the mid-1980s (Kannan et al., 1995). Other possible source of PCBs in Vietnam could be the weapons which were extensively used during the Indochina War (Thao et al., 1993). Regarding dioxins, the main source in Vietnam in the past was the Agent 

Location Sample Year N DDTs HCHs CHLs PCBs Reference Remark 

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