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Indoor air quality in Portuguese schools: levels and sources of pollutants

2016-08-09Journal article Restricted access
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dc.contributor.authorMadureira, Joana
dc.contributor.authorPaciência, Inês
dc.contributor.authorPereira, Cristiana
dc.contributor.authorTeixeira, João Paulo
dc.contributor.authorFernandes, Eduardo de Oliveira
dc.date.accessioned2016-10-19T16:17:17Z
dc.date.available2017-08-22T00:30:11Z
dc.date.issued2016-08-09
dc.description.abstractIndoor air quality (IAQ) parameters in 73 primary classrooms in Porto were examined for the purpose of assessing levels of volatile organic compounds (VOCs), aldehydes, particulate matter, ventilation rates and bioaerosols within and between schools, and potential sources. Levels of VOCs, aldehydes, PM2.5 , PM10 , bacteria and fungi, carbon dioxide (CO2 ), carbon monoxide, temperature and relative humidity were measured indoors and outdoors and a walkthrough survey was performed concurrently. Ventilation rates were derived from CO2 and occupancy data. Concentrations of CO2 exceeding 1000 ppm were often encountered, indicating poor ventilation. Most VOCs had low concentrations (median of individual species <5 μg/m(3) ) and were below the respective WHO guidelines. Concentrations of particulate matter and culturable bacteria were frequently higher than guidelines/reference values. The variability of VOCs, aldehydes, bioaerosol concentrations, and CO2 levels between schools exceeded the variability within schools. These findings indicate that IAQ problems may persist in classrooms where pollutant sources exist and classrooms are poorly ventilated; source control strategies (related to building location, occupant behavior, maintenance/cleaning activities) are deemed to be the most reliable for the prevention of adverse health consequences in children in schools.pt_PT
dc.description.sponsorshipThis work was supported by the Portuguese Foundation for Science and Technology (FCT) through ARIA project (PTDC/DTP-SAP/1522/2012).pt_PT
dc.identifier.citationIndoor Air. 2016 Aug;26(4):526-37. doi: 10.1111/ina.12237. Epub 2015 Aug 21pt_PT
dc.identifier.doi10.1111/ina.12237pt_PT
dc.identifier.issn0905-6947
dc.identifier.urihttp://hdl.handle.net/10400.18/4059
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherJohn Wiley and Sonspt_PT
dc.relation.publisherversionhttp://onlinelibrary.wiley.com/doi/10.1111/ina.12237/abstractpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.subjectIndoor Air Qualitypt_PT
dc.subjectSchoolspt_PT
dc.subjectBioaerosolpt_PT
dc.subjectVentilationpt_PT
dc.subjectParticulate Matterpt_PT
dc.subjectIndoor Sourcespt_PT
dc.subjectAr e Saúde Ocupacional
dc.titleIndoor air quality in Portuguese schools: levels and sources of pollutantspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876-PPCDTI/PTDC%2FDTP-SAP%2F1522%2F2012/PT
oaire.citation.endPage537pt_PT
oaire.citation.startPage526pt_PT
oaire.citation.titleIndoor Airpt_PT
oaire.citation.volume26(4)pt_PT
oaire.fundingStream5876-PPCDTI
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsembargoedAccesspt_PT
rcaap.typearticlept_PT
relation.isProjectOfPublicationcb7ec03c-4da8-4ca0-af36-56a7dc713938
relation.isProjectOfPublication.latestForDiscoverycb7ec03c-4da8-4ca0-af36-56a7dc713938

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