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Article: A review of environmental fate, body burdens, and human health risk assessment of PCDD/Fs at two typical electronic waste recycling sites in China

TitleA review of environmental fate, body burdens, and human health risk assessment of PCDD/Fs at two typical electronic waste recycling sites in China
Authors
KeywordsBody burden
China
Electronic waste recycling
Health risk assessment
Polychlorinated dioxins and furans
Issue Date2013
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv
Citation
Science of The Total Environment, 2013, v. 463-464, p. 1111-11232 How to Cite?
AbstractThis paper reviews the levels of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in different environmental media, human body burdens and health risk assessment results at e-waste recycling sites in China. To provide an indication of the seriousness of the pollution levels in the e-waste recycling sites in China, the data are compared with guidelines and available existing data for other areas. The comparison clearly shows that PCDD/Fs derived from the recycling processes lead to serious pollution in different environmental compartments (such as air, soil, sediment, dust and biota) and heavy body burdens. Of all kinds of e-waste recycling operations, open burning of e-waste and acid leaching activities are identified as the major sources of PCDD/Fs. Deriving from the published data, the estimated total exposure doses via dietary intake, inhalation, soil/dust ingestion and dermal contact are calculated for adults, children and breast-fed infants living in two major e-waste processing locations in China. The values ranged from 5.59 to 105.16pgWHO-TEQ/kgbw/day, exceeding the tolerable daily intakes recommended by the WHO (1-4pgWHO-TEQ/kgbw/day). Dietary intake is the most important exposure route for infants, children and adults living in these sites, contributing 60-99% of the total intakes. Inhalation is the second major exposure route, accounted for 12-30% of the total exposure doses of children and adults. In order to protect the environment and human health, there is an urgent need to control and monitor the informal e-waste recycling operations. Knowledge gaps, such as comprehensive dietary exposure data, epidemiological and clinical studies, body burdens of infants and children, and kinetics about PCDD/Fs partitions among different human tissues should be addressed.
Persistent Identifierhttp://hdl.handle.net/10722/165985
ISSN
2015 Impact Factor: 3.976
2015 SCImago Journal Rankings: 1.702
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChan, JKYen_US
dc.contributor.authorWong, MHen_US
dc.date.accessioned2012-09-20T08:26:00Z-
dc.date.available2012-09-20T08:26:00Z-
dc.date.issued2013en_US
dc.identifier.citationScience of The Total Environment, 2013, v. 463-464, p. 1111-11232en_US
dc.identifier.issn0048-9697-
dc.identifier.urihttp://hdl.handle.net/10722/165985-
dc.description.abstractThis paper reviews the levels of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in different environmental media, human body burdens and health risk assessment results at e-waste recycling sites in China. To provide an indication of the seriousness of the pollution levels in the e-waste recycling sites in China, the data are compared with guidelines and available existing data for other areas. The comparison clearly shows that PCDD/Fs derived from the recycling processes lead to serious pollution in different environmental compartments (such as air, soil, sediment, dust and biota) and heavy body burdens. Of all kinds of e-waste recycling operations, open burning of e-waste and acid leaching activities are identified as the major sources of PCDD/Fs. Deriving from the published data, the estimated total exposure doses via dietary intake, inhalation, soil/dust ingestion and dermal contact are calculated for adults, children and breast-fed infants living in two major e-waste processing locations in China. The values ranged from 5.59 to 105.16pgWHO-TEQ/kgbw/day, exceeding the tolerable daily intakes recommended by the WHO (1-4pgWHO-TEQ/kgbw/day). Dietary intake is the most important exposure route for infants, children and adults living in these sites, contributing 60-99% of the total intakes. Inhalation is the second major exposure route, accounted for 12-30% of the total exposure doses of children and adults. In order to protect the environment and human health, there is an urgent need to control and monitor the informal e-waste recycling operations. Knowledge gaps, such as comprehensive dietary exposure data, epidemiological and clinical studies, body burdens of infants and children, and kinetics about PCDD/Fs partitions among different human tissues should be addressed.-
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/scitotenv-
dc.relation.ispartofScience of The Total Environmenten_US
dc.subjectBody burden-
dc.subjectChina-
dc.subjectElectronic waste recycling-
dc.subjectHealth risk assessment-
dc.subjectPolychlorinated dioxins and furans-
dc.titleA review of environmental fate, body burdens, and human health risk assessment of PCDD/Fs at two typical electronic waste recycling sites in Chinaen_US
dc.typeArticleen_US
dc.identifier.emailChan, JKY: chanjky@hku.hken_US
dc.identifier.emailWong, MH: mhwong@hkbu.edu.hk-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.scitotenv.2012.07.098-
dc.identifier.pmid22925483-
dc.identifier.scopuseid_2-s2.0-84883455719-
dc.identifier.hkuros210355en_US
dc.identifier.isiWOS:000325831200121-
dc.publisher.placeNetherlands-

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