NDLI: Environmental contamination and human exposure to dioxin-related compounds in e-waste recycling sites of developing countries.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Tue, Nguyen Minh Takahashi, Shin Subramanian, Annamalai Sakai, Shinichi Tanabe, Shinsuke
Spatial Coverage	Asia
Description	Country affiliation: Japan Author Affiliation: Tue NM ( Center for Marine Environmental Studies (CMES), Ehime University, Matsuyama 790-8577, Ehime, Japan.)
Abstract	E-waste recycling using uncontrolled processes is a major source of dioxin-related compounds (DRCs), including not only the regulated polychlorinated dibenzo-p-dioxins/dibenzofurans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (DL-PCBs) but also non-regulated brominated and mixed halogenated compounds (PBDD/Fs and PXDD/Fs). Various studies at informal e-waste recycling sites (EWRSs) in Asian developing countries found the soil contamination levels of PCDD/Fs from tens to ten thousand picogram TCDD-equivalents (TEQ) per gram and those of DL-PCBs up to hundreds of picogram TEQ per gram. The air concentration of PCDD/Fs was reported as high as 50 pg TEQ per m(3) in Guiyu, the largest Chinese EWRS. Non-regulated compounds also contributed substantially to the total DL toxicity of the DRC mixtures from e-waste, as evidenced by the high TEQ levels estimated for the currently identifiable PBDD/Fs as well as the large portion of unexplained bioassay-derived TEQ levels in soils/dusts from EWRSs. Considering the high exposure levels estimated for EWRS residents, especially children, comprehensive emission inventories of DRCs from informal e-waste recycling, the identities and toxic potencies of unidentified DRCs released, and their impacts on human health need to be investigated in future studies.
File Format	HTM / HTML
ISSN	20507887
Issue Number	7
Volume Number	15
e-ISSN	20507895
Journal	Environmental Science: Processes & Impacts
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2013-07-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Environmental Health Benzofurans Analysis Dioxins Electronic Waste Environmental Pollutants Polychlorinated Biphenyls Asia Toxicity Developing Countries Environmental Exposure Adverse Effects Humans Recycling Journal Article
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Public Health, Environmental and Occupational Health Management, Monitoring, Policy and Law

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