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- aggregation classification "A1".
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- aggregation date "2013".
- aggregation format "application/pdf".
- aggregation hasFormat 2020501.bibtex.
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- aggregation isPartOf urn:issn:0306-7319.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Earth and Environmental Sciences".
- aggregation title "Volatile organic compounds in an urban environment: a comparison among Belgium, Vietnam and Ethiopia".
- aggregation abstract "The effects of urban and indoor air pollution on human health are a major environmental concern for all, but not much has been researched in the developing world. Specifically, quantitative data on the occurrence of volatile organic compounds (VOCs) main contributors to air pollution in Asia and Africa are scarce compared to the availability of data in the developed world. This paper presents one of the first studies focusing on the analysis and occurrence of VOCs in Vietnam and Ethiopia, which constitutes part of the novelty of this work. A spectrum of 34 VOCs was measured at eight different urban sites in Ghent (Belgium), Hanoi (Vietnam), Jimma and Addis Ababa (Ethiopia) during three sampling campaigns from September 2008 to September 2010. Sampling was done in an active way by means of sorbent tubes filled with Tenax TA. The analysis was done by TD-GC-MS using internal standard calibration. Data were interpreted and compared in terms of (i) individual, subgroup and total VOCs concentration (TVOCs), (ii) indoor-to-outdoor (I/O) concentration ratios, (iii) source identification by diagnostic ratio and/or correlation coefficients, and (iv) ozone formation potential (OFP) at outdoor sites based on up-to-date maximum incremental reactivity (MIR). I/O concentration ratios varied between 0.2 and 30, with big differences noticed with respect to the type of VOC(s) considered and the type of outdoor sampling location. The highest TVOC concentrations were measured in street samples with maximum values of 54 mu g/m3 in Ghent, 507 mu g/m3 in Hanoi and 318 mu g/m3 in Addis Ababa illustrating the large difference in ambient air quality levels. This is also reflected in the arithmetic mean OFP values (mu g/m3) of 82, 1308 and 596 in Ghent, Hanoi and Addis Ababa, respectively. Results of this study could be helpful to support formulation of national policy with regard to ambient air quality.".
- aggregation authorList BK489171.
- aggregation endPage "314".
- aggregation issue "3".
- aggregation startPage "298".
- aggregation volume "93".
- aggregation aggregates 2020508.
- aggregation aggregates 3156825.
- aggregation isDescribedBy 2020501.
- aggregation similarTo 03067319.2011.620708.
- aggregation similarTo LU-2020501.