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Article: A pilot study on health risk assessment based on body loadings of PCBs of lactating mothers at Taizhou, China, the world's major site for recycling transformers

TitleA pilot study on health risk assessment based on body loadings of PCBs of lactating mothers at Taizhou, China, the world's major site for recycling transformers
Authors
Issue Date2017
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/envpol
Citation
Environmental Pollution, 2017, v. 227, p. 364-371 How to Cite?
AbstractOur early study reported an extraordinarily high Estimated Daily Intake (EDI) of PCBs of lactating mothers from Taizhou, Zhejiang Province, China (based on a food consumption survey and food basket analysis). The EDI well exceeded the intake limit stipulated by FAO/WHO 70 pg TEQ/kg body weight (bw)/month. The present pilot study provided further information on PCBs body burden in lactating mothers of Taizhou. The total PCBs detected in human milk, placenta and hair samples of these lactating mothers were 363 ng/g lipid, 224 ng/g lipid, and 386 ng/g dry wt. Respectively, three times higher than those samples collected from the reference site (Lin'an). Compared with the previous reported values in the 3rd WHO coordinated study, Taizhou topped the list of 32 countries/regions with regards to WHO-PCB-TEQ values of milk samples, which could be attributed to the relatively higher level of PCB-126 derived from electronic waste. In addition, the corresponding EDI of PCBs of Taizhou mothers (12.9 pg WHO-PCB-TEQ/kg bw/day) and infants (438 pg WHO-PCB-TEQ/kg) were derived from individual congener levels in human milk. The results were also higher than the tolerable daily intakes recommended by WHO (1–4 pg WHO-TEQ/kg bw/day) by 3 and 110 times, for mothers and infants, respectively. A more intensive epidemiological study on the potential health effects of e-waste recycling activities affecting both workers and residents seems to be of top priority, based on findings of this pilot study.
Persistent Identifierhttp://hdl.handle.net/10722/245865
ISSN
2017 Impact Factor: 4.358
2015 SCImago Journal Rankings: 2.045
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorMan, YB-
dc.contributor.authorChow, KL-
dc.contributor.authorXing, GH-
dc.contributor.authorChan, KY-
dc.contributor.authorWu, SC-
dc.contributor.authorWong, MH-
dc.date.accessioned2017-09-18T02:18:16Z-
dc.date.available2017-09-18T02:18:16Z-
dc.date.issued2017-
dc.identifier.citationEnvironmental Pollution, 2017, v. 227, p. 364-371-
dc.identifier.issn0269-7491-
dc.identifier.urihttp://hdl.handle.net/10722/245865-
dc.description.abstractOur early study reported an extraordinarily high Estimated Daily Intake (EDI) of PCBs of lactating mothers from Taizhou, Zhejiang Province, China (based on a food consumption survey and food basket analysis). The EDI well exceeded the intake limit stipulated by FAO/WHO 70 pg TEQ/kg body weight (bw)/month. The present pilot study provided further information on PCBs body burden in lactating mothers of Taizhou. The total PCBs detected in human milk, placenta and hair samples of these lactating mothers were 363 ng/g lipid, 224 ng/g lipid, and 386 ng/g dry wt. Respectively, three times higher than those samples collected from the reference site (Lin'an). Compared with the previous reported values in the 3rd WHO coordinated study, Taizhou topped the list of 32 countries/regions with regards to WHO-PCB-TEQ values of milk samples, which could be attributed to the relatively higher level of PCB-126 derived from electronic waste. In addition, the corresponding EDI of PCBs of Taizhou mothers (12.9 pg WHO-PCB-TEQ/kg bw/day) and infants (438 pg WHO-PCB-TEQ/kg) were derived from individual congener levels in human milk. The results were also higher than the tolerable daily intakes recommended by WHO (1–4 pg WHO-TEQ/kg bw/day) by 3 and 110 times, for mothers and infants, respectively. A more intensive epidemiological study on the potential health effects of e-waste recycling activities affecting both workers and residents seems to be of top priority, based on findings of this pilot study.-
dc.languageeng-
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/envpol-
dc.relation.ispartofEnvironmental Pollution-
dc.rightsPosting accepted manuscript (postprint): © <year>. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.titleA pilot study on health risk assessment based on body loadings of PCBs of lactating mothers at Taizhou, China, the world's major site for recycling transformers-
dc.typeArticle-
dc.identifier.emailChan, KY: chanjky@hku.hk-
dc.identifier.doi10.1016/j.envpol.2017.04.069-
dc.identifier.hkuros279221-
dc.identifier.volume227-
dc.identifier.spage364-
dc.identifier.epage371-
dc.identifier.isiWOS:000403991600040-
dc.publisher.placeUnited Kingdom-

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