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Electrostatic dust cloth: a passive screening method to assess occupational exposure to organic dust in bakeries

2018-02Journal article Open access
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dc.contributor.authorViegas, Carla
dc.contributor.authorMonteiro, Ana
dc.contributor.authorCaetano, Liliana Aranha
dc.contributor.authorFaria, Tiago
dc.contributor.authorCarolino, Elisabete
dc.contributor.authorViegas, Susana
dc.date.accessioned2018-02-27T16:09:38Z
dc.date.available2018-02-27T16:09:38Z
dc.date.issued2018-02
dc.description.abstractOrganic dust is widespread in the environment including occupational settings, such as bakeries. Recently, a new collection device - the electrostatic dust cloth (EDC) - has been described for the assessment of occupational exposures. The aim of this study was to investigate the suitability of EDC for identifying the distribution patterns and exposure concentrations of particulate matter and microbial contaminants such as fungi and bacteria in bakeries. Twelve bakeries were selected, and dust was allowed to settle for 13 to 16 days on EDCs (a total of 33 samples). Particle counts and size distribution (0.3 µm, 0.5 µm, 1 µm, 2.5 µm, 5 µm and 10 µm) were measured with direct-reading equipment. Higher EDC mass was significantly correlated (p values < 0.05) with a higher fungal load on dichloran glycerol (DG18) and with particle size distribution in the 0.3 µm, 0.5 µm, 1.0 µm and 10.0 µm range. Fungal levels on malt extract agar (MEA) ranged from 0 to 2886 CFU/m2 EDC in the warehouse setting, 0 to 500 CFU/m2 EDC in the production setting, and 0 to 3135 CFU/m2 EDC in the store. Penicillium sp. (42.56%) was the most frequent fungi. Total bacterial load ranged from 0 to 18,859 CFU/m2 EDC in the warehouse, 0 to 71,656 CFU/m2 EDC in production, and 0 to 21,746 CFU/m2 EDC in the store. EDC assessment provided a longer-term integrated sample of organic dust, useful for identifying critical worksites in which particulate matter and bio-burden exposures are elevated. These findings suggest that EDC can be applied as a screening method for particulate matter-exposure assessment and as a complementary method to quantify exposures in occupational environments.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationViegas C, Monteiro A, Caetano LA, Faria T, Carolino E, Viegas S. Electrostatic dust cloth: a passive screening method to assess occupational exposure to organic dust in bakeries. Atmosphere. 2018;9(2):64.pt_PT
dc.identifier.doi10.3390/atmos9020064pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.21/8146
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relation.publisherversionhttp://www.mdpi.com/2073-4433/9/2/64pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectOccupational exposurept_PT
dc.subjectElectrostatic dust clothpt_PT
dc.subjectOrganic dustpt_PT
dc.subjectBioburdenpt_PT
dc.subjectFungipt_PT
dc.subjectBacteriapt_PT
dc.titleElectrostatic dust cloth: a passive screening method to assess occupational exposure to organic dust in bakeriespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue2pt_PT
oaire.citation.startPage64pt_PT
oaire.citation.titleAtmospherept_PT
oaire.citation.volume9pt_PT
person.familyNameViegas
person.familyNameCarolino
person.familyNameViegas
person.givenNameCarla
person.givenNameElisabete
person.givenNameSusana
person.identifier248817
person.identifier.ciencia-idEE1E-C639-D70F
person.identifier.ciencia-id1216-EFA3-1E0F
person.identifier.ciencia-idA919-7318-63DC
person.identifier.orcid0000-0002-1545-6479
person.identifier.orcid0000-0003-4165-7052
person.identifier.orcid0000-0003-1015-8760
person.identifier.ridB-7217-2013
person.identifier.ridF-1012-2015
person.identifier.ridI-4053-2012
person.identifier.scopus-author-id55443609700
person.identifier.scopus-author-id25821697000
person.identifier.scopus-author-id35270591500
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationb5fa5da4-50c3-4b88-ae20-1bc63cb485f7
relation.isAuthorOfPublication77930d39-ed34-44dc-a4a6-9bf833e5e688
relation.isAuthorOfPublication13115332-43f7-4048-a8a5-2f2b855a8c92
relation.isAuthorOfPublication.latestForDiscovery77930d39-ed34-44dc-a4a6-9bf833e5e688

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