Indoor Air Quality and Bioaerosols in Spanish University Classrooms
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INVESTIGACIONMetadades
Títol
Indoor Air Quality and Bioaerosols in Spanish University ClassroomsAutoria
Data de publicació
2024-03-20Editor
Multidisciplinary Digital Publishing Institute (MDPI)ISSN
2305-6304Cita bibliogràfica
Fuentes-Ferragud E, López A, Piera JM, Yusà V, Garrigues S, de la Guardia M, López Labrador FX, Camaró M, Ibáñez M, Coscollà C. Indoor Air Quality and Bioaerosols in Spanish University Classrooms. Toxics. 2024; 12(3):227. https://doi.org/10.3390/toxics12030227Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
https://www.mdpi.com/2305-6304/12/3/227Versió
info:eu-repo/semantics/publishedVersionParaules clau / Matèries
Resum
A comprehensive study assessed indoor air quality parameters, focusing on relevant air pollutants such as particulate matter (PM10 and PM2.5), gaseous compounds (CO, CO2, formaldehyde, NO2) and volatile/semi-volatile ... [+]
A comprehensive study assessed indoor air quality parameters, focusing on relevant air pollutants such as particulate matter (PM10 and PM2.5), gaseous compounds (CO, CO2, formaldehyde, NO2) and volatile/semi-volatile organic chemicals, as well as respiratory viruses (including SARS-CoV-2), fungi and bacteria in Spanish university classrooms. Non-target screening strategies evaluated the presence of organic pollutants inside and outside the classrooms. Saliva samples from teachers and students were collected to explore correlations between respiratory viruses in the air and biological samples. Indoor results revealed the punctual exceedance of recommended guidelines for CO2, formaldehyde (HCHO), volatile organic compounds (TVOCs) and PM in the least naturally ventilated classrooms. Significant differences occurred between the classes, with the least ventilated one showing higher average concentrations of CO2, HCHO, NO2, PM10 and PM2.5. A respiratory virus (rhinovirus/enterovirus) was detected in the medium naturally ventilated classroom, although saliva samples tested negative. Suspect screening tentatively identified 65 substances indoors and over 200 outdoors, with approximately half reporting a high toxicological risk based on the Cramer rules. The study provides a comprehensive overview of indoor air quality, respiratory viruses and organic pollutants in university classrooms, highlighting the variations and potential health risks associated with ventilation differences. [-]
Publicat a
Toxics. 2024; 12(3)Drets d'accés
© 2024 by the authors.
info:eu-repo/semantics/openAccess
info:eu-repo/semantics/openAccess
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