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|Title:||Analysis of Perfluorooctanoate (PFOA) and other Perfluorinated Compounds (PFCs) in the River Po Watershed in N-Italy|
|Authors:||LOOS ROBERT; LOCORO GIOVANNI; HUBER TANIA; WOLLGAST JAN; CHRISTOPH EUGEN; DE JAGER ALFRED; GAWLIK BERND; HANKE GEORG; UMLAUF GUNTHER; ZALDIVAR COMENGES JOSE'|
|Citation:||CHEMOSPHERE vol. 71 no. 2 p. 306-313|
|Publisher:||PERGAMON-ELSEVIER SCIENCE LTD|
|Type:||Articles in periodicals and books|
|Abstract:||C7-C10 perfluorinated carboxylates (PFACs) and perfluorooctansulfonate (PFOS) were analysed in selected stretches of the River Po and its major tributaries. Analyses were performed by solid-phase extraction (SPE) with Oasis® HLB cartridges and methanol elution followed by LC-MS-MS detection using 13C-labelled internal standards. High concentration levels (~1.3 microg L-1) of perfluorooctanoate (PFOA) were detected in the Tánaro River close to the city Alessandria. After this tributary, levels between 60-337 ng L-1 were measured in the Po River on several occasions. Considering an approximate discharge flow of 1540 m3 per second and a medium PFOA concentration of ~100 ng L-1 in the water, it has been estimated a load of ~ 0.5 kg PFOA per hour or ~ 4 tons per year discharged in the Adriatic Sea.|
|JRC Directorate:||Sustainable Resources|
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