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Air pollution from traffic emissions in Oporto, Portugal: health and environmental implications

2011Journal article Open access
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dc.contributor.authorSlezakova, Klara
dc.contributor.authorCastro, Dionísia
dc.contributor.authorBegonha, Arlindo
dc.contributor.authorDelerue-Matos, Cristina
dc.contributor.authorAlvim-Ferraz, Maria da Conceição M.
dc.contributor.authorMorais, Simone
dc.contributor.authorPereira, Maria do Carmo
dc.date.accessioned2013-11-27T17:03:38Z
dc.date.available2013-11-27T17:03:38Z
dc.date.issued2011
dc.description.abstractAir pollution represents a serious risk not only to environment and human health, but also to historical heritage. In this study, air pollution of the Oporto Metropolitan Area and its main impacts were characterized. The results showed that levels of CO, PM10 and SO2 have been continuously decreasing in the respective metropolitan area while levels of NOx and NO2 have not changed significantly. Traffic emissions were the main source of the determined polycyclic aromatic hydrocarbons (PAHs; 16 PAHs considered by U.S. EPA as priority pollutants, dibenzo[a,l]pyrene and benzo[j]fluoranthene) in air of the respective metropolitan area. The mean concentration of 18 PAHs in air was 69.9±39.7 ng m−3 with 3–4 rings PAHs accounting for 75% of the total ΣPAHs. The health risk analysis of PAHs in air showed that the estimated values of lifetime lung cancer risks considerably exceeded the health-based guideline level. Analytical results also confirm that historical monuments in urban areas act as passive repositories for air pollutants present in the surrounding atmosphere. FTIR and EDX analyses showed that gypsum was the most important constituent of black crusts of the characterized historical monument Monastery of Serra do Pilar classified as “UNESCO World Cultural Heritage”. In black crusts, 4–6 rings compounds accounted approximately for 85% of ΣPAHs. The diagnostic ratios confirmed that traffic emissions were the major source of PAHs in black crusts; PAH composition profiles were very similar for crusts and PM10 and PM2.5.por
dc.identifier10.1016/j.microc.2011.03.010
dc.identifier.doi10.1016/j.microc.2011.03.010pt_PT
dc.identifier.issn0026-265X
dc.identifier.urihttp://hdl.handle.net/10400.22/3010
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevierpor
dc.relation.ispartofseriesMicrochemical Journal; Vol. 99, Issue 1
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0026265X1100052Xpor
dc.subjectAir pollutionpor
dc.subjectTraffic emissionspor
dc.subjectPolycyclic aromatic hydrocarbons (PAHs)por
dc.subjectHealth riskspor
dc.subjectHistorical monumentspor
dc.subjectBlack crustspor
dc.titleAir pollution from traffic emissions in Oporto, Portugal: health and environmental implicationspor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage59por
oaire.citation.issueIssue 1
oaire.citation.startPage51por
oaire.citation.titleMicrochemical Journal
oaire.citation.volumeVol. 99
person.familyNameDelerue-Matos
person.familyNameAlvim-Ferraz
person.familyNameMorais
person.givenNameCristina
person.givenNameMaria da Conceição
person.givenNameSimone
person.identifier1598822
person.identifier.ciencia-id9A1A-43FB-5C27
person.identifier.ciencia-id621C-0AAB-ABF9
person.identifier.ciencia-idB111-BBFB-F200
person.identifier.orcid0000-0002-3924-776X
person.identifier.orcid0000-0001-8212-8718
person.identifier.orcid0000-0001-6433-5801
person.identifier.ridD-4990-2013
person.identifier.ridP-9868-2017
person.identifier.scopus-author-id6603741848
person.identifier.scopus-author-id6603921357
person.identifier.scopus-author-id7007053747
rcaap.rightsopenAccesspor
rcaap.typearticlepor
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relation.isAuthorOfPublication.latestForDiscoverya9196bc3-6bc6-4270-8407-39356ba909b0

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