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Ten years measuring PCDDs/PCDFs in ambient air in Catalonia (Spain)

AutorAbad Holgado, Esteban; Martínez Guijarro, Karell; Custems, Lluís; Gómez, Rafael; Guinnart, Xavier; Hernández, Isabel; Rivera Aranda, Josep
Palabras clavePCDD/Fs
Ambient air
Fecha de publicación16-ene-2007
CitaciónChemosphere 67(9): 1709-1714 (2007)
ResumenThis work summarizes the results of a ten year surveillance programme on PCDD/F in ambient air carried out in Catalonia (Spain). The study has been conducted by the Dioxin Laboratory of Spanish Council for Scientific Research (CSIC) in collaboration with the Environment Department of the Catalonian Government. 175 samples have been collected throughout Catalonia from 1994 to 2004. Different sampling locations classified as industrial, traffic, urban, suburban and rural sites have been monitored in order to find the most contaminated zones as well as the ones with expected background concentrations.
The highest concentrations found in this study were determined at the industrial locations. Concentrations ranging from 5 to 1196 fg I-TEQ/m3, with a mean value of 140 fg I-TEQ/m3 and from 10 to 357 fg I-TEQ/m3, with a mean value of 72 fg I-TEQ/m3 were determined in industrial and traffic sampling points, respectively. In contrast, the lowest concentrations were found in rural stations, ranging from 5 to 45 fg I-TEQ/m3, with a mean value of 28 fg I-TEQ/m3. The PCDD/F concentration trend in Catalonian ambient air shown a clear drop of the median values occurred during the study sampling period. A decline of about 70% was observed from 1997–1998 to 2003–2004.
Descripción6 pages, 2 figures.-- PMID: 17223182 [PubMed].-- Printed version published Apr 2007.
Issue title: Halogenated Persistent Organic Pollutants Dioxin 2004 - Selected, extended and updated proceedings of the 24th International Symposium on Halogenated Environmental Organic Pollutants and POPs convened at the Technical University of Berlin, Germany, September 2004
Versión del editorhttp://dx.doi.org/10.1016/j.chemosphere.2006.05.083
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