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Microbial contamination in waste collection: unveiling this Portuguese occupational exposure scenario

2022-07Journal article Open access
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dc.contributor.authorViegas, Carla
dc.contributor.authorPena, Pedro
dc.contributor.authorDias, Marta
dc.contributor.authorGomes, Bianca
dc.contributor.authorCervantes, Renata
dc.contributor.authorCarolino, Elisabete
dc.contributor.authorTwarużek, Magdalena
dc.contributor.authorSoszczyńska, Ewelina
dc.contributor.authorKosicki, Robert
dc.contributor.authorCaetano, Liliana Aranha
dc.contributor.authorViegas, Susana
dc.date.accessioned2022-04-26T12:29:24Z
dc.date.available2024-04-26T00:30:24Z
dc.date.issued2022-07
dc.descriptionProject EXPOGreen FBR38.pt_PT
dc.descriptionProject “Occupational exposure of ambulance drivers to bioburden” (IPL/2020/BIO-AmbuDrivers_ESTeSL).pt_PT
dc.descriptionFCT_UIDB/05608/2020. FCT_UIDP/05608/2020.pt_PT
dc.description.abstractPrevious studies anticipated that microorganisms and their metabolites in waste will increase as a consequence of a decreased collection frequency and due to differences in what kind of waste is bagged before collection leading to increased exposure of workers handling the waste. This study's aim was to investigate the microbial contamination present in the waste collection trucks (WCT) and in the support facilities (waste collection station - WCS). It applied a multi-approach protocol using active (air sampling by impingement and impaction) and passive (surface swabs, electrostatic dust cloths, and settled dust) sampling methods. The screening of azole resistance, the investigation of mycotoxins, and the assessment of the elicited biological responses in vitro were also carried out aiming to recognize the possible health effects of waste collection drivers. SARS-CoV-2 detection was also performed. In WCS only air samples had contamination in all the four sampling sites (canteen, operational removal core, operational removal center, and administrative service). Among all the analyzed matrices from the WCT, a higher percentage of total bacterial counts and Gram-was detected in swabs (66.93%; 99.36%). In WCS the most common species were Penicillium sp. (43.98%) and Cladosporium sp. (24.68%), while on WCT Aspergillus sp. (4.18%) was also one of the most found. In the azole resistance screening, Aspergillus genera were not observed in the azole-supplemented media. SARS-CoV-2 was not detected in any of the environmental samples collected, but Aspergillus section Fumigati was detected in 5 samples. Mycotoxins were not detected in EDC from WCS, while in WCT they were detected in filters (N = 1) and in settled dust samples (N = 16). In conclusion, our study reveals that a comprehensive sampling approach using active and passive sampling (e.g. settled dust sampling for a representative mycotoxin evaluation) and combined analytic methods (i.e., culture-based and molecular) is an important asset in microbial exposure assessments. Concerning the waste collection exposure scenario, the results of this study unveiled a complex exposure, particularly to fungi and their metabolites. Aspergillus section Fumigati highlights the significance of targeting this section in the waste management industry as an indicator of occupational health risk.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationViegas C, Pena P, Dias M, Gomes B, Cervantes R, Carolino E, Caetano LA, Viegas S, et al. Microbial contamination in waste collection: unveiling this Portuguese occupational exposure scenario. J Environ Manag. 2022;314:115086.pt_PT
dc.identifier.doi10.1016/j.jenvman.2022.115086pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.21/14591
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationProject EXPOGreen FBR38pt_PT
dc.relationProject “Occupational exposure of ambulance drivers to bioburden” (IPL/2020/BIO-AmbuDrivers_ESTeSL)pt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0301479722006594pt_PT
dc.subjectOccupational healthpt_PT
dc.subjectOccupational exposurept_PT
dc.subjectWaste collection truckspt_PT
dc.subjectMulti-approach for sampling and analysespt_PT
dc.subjectAspergilluspt_PT
dc.subjectAzole resistancept_PT
dc.subjectMycotoxinspt_PT
dc.subjectPortugalpt_PT
dc.subjectEXPOGreen FBR38pt_PT
dc.subjectIPL/2020/BIO-AmbuDrivers_ESTeSLpt_PT
dc.subjectFCT_UIDB/05608/2020pt_PT
dc.subjectFCT_UIDP/05608/2020.pt_PT
dc.titleMicrobial contamination in waste collection: unveiling this Portuguese occupational exposure scenariopt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.startPage115086pt_PT
oaire.citation.titleJournal of Environmental Managementpt_PT
oaire.citation.volume314pt_PT
person.familyNameViegas
person.familyNamePena
person.familyNameDias
person.familyNameGomes
person.familyNameWellenkamp de Carvalho Freire de Cervantes
person.familyNameCarolino
person.familyNameAranha Caetano
person.familyNameViegas
person.givenNameCarla
person.givenNamePedro
person.givenNameMarta
person.givenNameBianca
person.givenNameRenata
person.givenNameElisabete
person.givenNameLiliana
person.givenNameSusana
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rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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