Cancer risk assessment and source apportionment of the gas- and particulate-phase of the polycyclic aromatic hydrocarbons in a metropolitan region in Brazil

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dc.creatorElson Silva Galvão
dc.creatorHenrique Bittencourt Paiva
dc.creatorHelvécio Costa Menezes
dc.creatorTaciana Toledo de Almeida Albuquerque
dc.creatorZenilda de Lourdes Cardeal
dc.date.accessioned2024-05-13T15:02:28Z
dc.date.accessioned2025-09-09T00:38:46Z
dc.date.available2024-05-13T15:02:28Z
dc.date.issued2023
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipINCT – Instituto nacional de ciência e tecnologia (Antigo Instituto do Milênio)
dc.description.sponsorshipOutra Agência
dc.identifier.doihttps://doi.org/10.1016/j.chemosphere.2022.136872
dc.identifier.issn1879-1298
dc.identifier.urihttps://hdl.handle.net/1843/68231
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofChemosphere
dc.rightsAcesso Restrito
dc.subjectAnálise de componentes principais
dc.subjectHidrocarbonetos policiclicos aromaticos
dc.subjectCâncer
dc.subjectBiomassa
dc.subjectGasolina
dc.subjectEtanol
dc.subject.otherPM2.5
dc.subject.otherPAHs
dc.subject.otherPMF
dc.subject.otherSource apportionment
dc.subject.otherCancer risk assessment
dc.titleCancer risk assessment and source apportionment of the gas- and particulate-phase of the polycyclic aromatic hydrocarbons in a metropolitan region in Brazil
dc.typeArtigo de periódico
local.citation.issuePart 1
local.citation.volume311
local.description.resumoA risk assessment and a source apportionment of the particulate- and gas-phase PAHs were conducted in a high vehicular traffic and industrialized region in southeastern Brazil. Higher concentrations of PAHs were found during summer, being likely driven by the contributions of PAHs in the vapor phase caused by fire outbreaks during this period. Isomer ratio diagnostic and Principal Component Analysis (PCA) identified four potential sources in the region, in which the Positive Matrix Factorization (PMF) model confirmed and apportioned as gasoline-related (31.8%), diesel-related (25.1%), biomass burning (23.4%), and mixed sources (19.6%). The overall cancer risk had a tolerable value, with ∑CR = 4.6 × 10−5, being ingestion the major via of exposure (64% of the ∑CR), followed by dermal contact (33% of the ∑CR) and inhalation (3%). Mixed sources contributed up to 45% of the overall cancer risk (∑CR), followed by gasoline-related (up to 35%), diesel-related (up to 15%), and biomass burning (up to 10%). The risk assessment for individual PAH species allowed identifying higher CR associated with BaP, DBA, BbF, BaA, and BkF, species associated with gasoline-related and industrial sources. Higher risks were associated with PM2.5-bound PAHs exposure, mainly via ingestion and dermal contact, highlighting the need for measures of mitigation and control of PM2.5 in the region.
local.identifier.orcidhttps://orcid.org/0000-0002-5759-612X
local.identifier.orcidhttps://orcid.org/0000-0002-6611-0283
local.identifier.orcidhttps://orcid.org/0000-0003-1383-6299
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA SANITÁRIA E AMBIENTAL
local.publisher.departmentICX - DEPARTAMENTO DE QUÍMICA
local.publisher.initialsUFMG
local.url.externahttps://www.sciencedirect.com/science/article/pii/S0045653522033653

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