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Atmospheric distribution of polychlorinated dibenzo-p-dioxins, dibenzofurans and dioxin-like polychlorinated biphenyls around a steel plant area, northeast China
Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.
Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.
Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.
Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China.
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2010 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 79, no 3, 253-258 p.Article in journal (Refereed) Published
Abstract [en]

Air monitoring of polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and dioxin-like polychlorinated biphenyls (PCBs) was carried out in June 2008 and January 2009 to investigate the concentrations, profiles and estimating potential inhalation risks to the local residents around a steel plant area in northeast China. The air concentrations and WHO-TEQs of PCDD/Fs ranged 94-4944fgm(-3) (average 1352fgm(-3)) and 3-247fgm(-3) (average 81fgm(-3)), respectively. The WHO-TEQ concentrations of dioxin-like PCBs ranged 1-18fgm(-3) (average 5fgm(-3)), contributing to 3.6-26% of the total TEQ. Higher PCDD/F concentrations were observed in the winter, whereas higher dioxin-like PCB concentrations were found in the summer. The seasonal trend can be related to the significant correlation between the concentrations of dioxins and the reciprocal of temperature (positive for PCDD/Fs, P<0.01; negative for dioxin-like PCBs, P=0.05). A significant positive correlation (P<0.0001) was found between the concentration of total suspended particulate (TSP) and PCDD/F concentrations, but not for PCB congeners. Although the steel plant sites showed higher dioxin levels than the residential and background areas, the PCDD/F levels in the atmosphere of the steel plant area was at a relatively low level. The results from this study provides further aid in evaluating the impact of steel plants as PCDD/Fs emission sources to the ambient air in China.

Place, publisher, year, edition, pages
2010. Vol. 79, no 3, 253-258 p.
Keyword [en]
PCDD/Fs; Dioxin-like PCBs; Ambient air; Steel plant; Northeast China
National Category
Environmental Sciences
Research subject
Enviromental Science
Identifiers
URN: urn:nbn:se:oru:diva-38455DOI: 10.1016/j.chemosphere.2010.01.061ISI: 000276630800002PubMedID: 20176394Scopus ID: 2-s2.0-77649236837OAI: oai:DiVA.org:oru-38455DiVA: diva2:764978
Note

Funding Agencies:

Ministry of Environmental Protection of China

National Hi-tech Research and Development Program of China 2007AA061601

National Natural Science Foundation of China 20907059 20777079

Available from: 2014-11-21 Created: 2014-11-07 Last updated: 2017-10-17Bibliographically approved

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