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Title: Exposure assessment of lead to workers and children in the battery recycling craft village, Dong Mai, Vietnam
Authors: Noguchi, Takako
Itai, Takaaki
Nguyen, Minh Tue
Keywords: Pb battery;Recycling;Vietnam;Risk assessment
Issue Date: 2014
Publisher: SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA
Abstract: Human exposure to lead (Pb) due to uncon-trolled Pb-acid battery recycling has been an environmental health issue in newly developed industrial regions. We conducted a human monitoring survey in Dong Mai, a battery recycling village in Vietnam, to assess exposure status to Pb. Lead level was measured in hair, blood and urine samples of residents in Dong Mai and two reference sites during 4 years spanning 2007–2011. In Dong Mai, Pb levels in three matrixes were significantly higher than those in reference sites. Blood Pb levels of all adults and children exceeded 10lg/dL, the Centers for Disease Control and Prevention definition of an elevated blood Pb level. Clear increase of urinaryd-aminolevulinic acid (ALA) level with increasing blood Pb level indicated disruption of heme synthesis. One adult exceeded 100lg/dL of blood Pb, where encephalopathy is of concern. The blood Pb levels achieved various toxic effect threshold values, and elevated blood Pb was not limited to recycling workers, but was also in children and women of reproductive age. Serious pollution status of Dong Mai village suggests an impor-tance of further monitoring surveys in various developing Asian countries.
Description: JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT Volume: 16 Issue: 1 Pages: 46-51 Published: FEB 2014
Appears in Collections:Bài báo của ĐHQGHN trong Web of Science

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