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Under Pandemic: Assessment of Ventilation in Secondary Schools in The Netherlands
17th International Conference on Indoor Air Quality and Climate, INDOOR AIR 2022 ; 2022.
Article in English | Scopus | ID: covidwho-2322790
ABSTRACT
To investigate the sufficiency of ventilation during the COVID-19 pandemic for school children, a field study was conducted in 37 classrooms of 11 Dutch secondary schools between October 2020 and June 2021. All the classrooms were visited twice, before and after a three-month national lockdown, when different measures against COVID-19 were taken by the schools. For each visit, both CO2 concentrations and air temperature were measured during school hours, and detailed information on building/classroom characteristics, occupancy, and COVID-19 measures was collected. Results show that before the lockdown, CO2 concentrations in most classrooms exceeded the threshold levels of the Dutch Fresh Schools guidelines. The significantly lower CO2 concentrations measured after the lockdown, however, were mainly due to the decreased occupancy. Moreover, with windows and doors always being opened on purpose, the performance of different ventilation regimes could not be compared, while such behaviour may also lead to thermal discomfort for school children. © 2022 17th International Conference on Indoor Air Quality and Climate, INDOOR AIR 2022. All rights reserved.
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Collection: Databases of international organizations Database: Scopus Type of study: Experimental Studies Language: English Journal: 17th International Conference on Indoor Air Quality and Climate, INDOOR AIR 2022 Year: 2022 Document Type: Article

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Collection: Databases of international organizations Database: Scopus Type of study: Experimental Studies Language: English Journal: 17th International Conference on Indoor Air Quality and Climate, INDOOR AIR 2022 Year: 2022 Document Type: Article