Status of Human Contamination and Exposure to Brominated Flame Retardants and Dioxin-related Compounds in E-waste Recycling Sites in Vietnam
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- Takahashi Shin
- Center for Marine Environmental Studies, Ehime University
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- Tue Nguyen Minh
- Center for Marine Environmental Studies, Ehime University
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- Viet Pham Hung
- Centre for Environmental Technology and Sustainable Development, Hanoi University of Science
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- Tanabe Shinsuke
- Center for Marine Environmental Studies, Ehime University
Bibliographic Information
- Other Title
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- ベトナムE-waste処理地域における臭素系難燃剤およびダイオキシン類縁化合物の人体汚染と曝露実態
- ベトナム E waste ショリ チイキ ニ オケル シュウソケイナンネンザイ オヨビ ダイオキシン ルイエン カゴウブツ ノ ジンタイ オセン ト バクロ ジッタイ
- Status of human contamination and exposure to brominated flame retardants and dioxin-related compounds in e-waste recycling sites in Vietnam, 2011
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Abstract
To assess the status of human contamination and exposure to brominated flame retardants such as polybrominated diphenyl ethers (PBDEs) and polychlorinated biphenyls in Vietnamese E-waste recycling sites, human breast milk, dust and air samples were collected and employed for chemical analysis. Total dioxin-like activities and dioxin-related compounds in dust samples were measured by iin vitro bioassay and chemical analysis, respectively. In human breast milk samples, significantly higher concentrations of PBDEs were found in E-waste recycling sites than those found at the urban site. A specific accumulation of PBDEs on occupational exposure was observed in workers who are involved in E-waste recycling. We estimated the daily intake of contaminants and found high intakes of PBDEs in people living in and around the E-waste recycling sites. In particular, the values for children were about two times higher than that of adults. In the dust samples, higher dioxin-like activities were observed in E-waste recycling sites than at the urban site. In addition, polybrominated dibenzofurans were detected at higher concentrations in the dust from E-waste recycling sites and showed a significant contribution to total dioxin-like activities. On the other hand, the percentage of dioxin-like activities by unknown compounds was high in the dust samples, indicating significant contributions from unidentified AhR agonists.
Journal
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- Material Cycles and Waste Management Research
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Material Cycles and Waste Management Research 22 (2), 169-179, 2011
Japan Society of Material Cycles and Waste Management
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Details 詳細情報について
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- CRID
- 1390282680459104768
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- NII Article ID
- 10029132734
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- NII Book ID
- AA12383900
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- ISSN
- 21874808
- 18835864
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- NDL BIB ID
- 11078825
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed
