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dc.contributor.authorCallén Romero, Mª Soledad-
dc.contributor.authorIturmendi, Amaia-
dc.contributor.authorLópez Sebastián, José Manuel-
dc.contributor.authorMastral Lamarca, Ana María-
dc.identifierdoi: 10.1007/s11356-013-2116-9-
dc.identifierissn: 0944-1344-
dc.identifiere-issn: 1614-7499-
dc.identifier.citationEnvironmental Science and Pollution Research 21: 2064-2076 (2014)-
dc.description.abstractIn order to perform a study of the carcinogenic potential of polycyclic aromatic hydrocarbons (PAH), benzo(a)pyrene equivalent (BaP-eq) concentration was calculated and modelled by a receptor model based on positive matrix factorization (PMF). Nineteen PAH associated to airborne PM10 of Zaragoza, Spain, were quantified during the sampling period 2001-2009 and used as potential variables by the PMF model. Afterwards, multiple linear regression analysis was used to quantify the potential sources of BaP-eq. Five sources were obtained as the optimal solution and vehicular emission was identified as the main carcinogenic source (35 %) followed by heavy-duty vehicles (28 %), light-oil combustion (18 %), natural gas (10 %) and coal combustion (9 %). Two of the most prevailing directions contributing to this carcinogenic character were the NE and N directions associated with a highway, industrial parks and a paper factory. The lifetime lung cancer risk exceeded the unit risk of 8.7 × 10-5 per ng/m3 BaP in both winter and autumn seasons and the most contributing source was the vehicular emission factor becoming an important issue in control strategies.-
dc.description.sponsorshipAuthors would like to thank Aula Dei-CSIC (Dr R. Gracia) for the meteorological data and the Ministry of Science and Innovation (MICIIN) for supporting the project CGL2009-14113-C02-01 and the Plan E for the co-funding. They would also like to thank the MICIIN for the contract of A.I. and the MICYT for the Ramon y Cajal contract of J.M.L.-
dc.publisherSpringer Nature-
dc.subjectReceptor modelling-
dc.subjectLifetime lung cáncer risk-
dc.titleSource apportionment of the carcinogenic potential of polycyclic aromatic hydrocarbons (PAH) associated to airborne PM10 by a PMF model-
dc.description.versionPeer Reviewed-
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