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New methodology to qualify office microbial air quality with air-handling-unit-filters
17th International Conference on Indoor Air Quality and Climate, INDOOR AIR 2022 ; 2022.
Article Dans Anglais | Scopus | ID: covidwho-2325481
ABSTRACT
The Covid-19 pandemic reminded us the importance of maintaining adequate indoor air quality to reduce the risk of propagation of viral particles. The aim of this study is to use air handling unit (AHU) filters to develop a methodology to identify microbial contaminants present in office indoor air. The methodology involves discs of filter media collected periodically from the extraction filters and analysed by cultural and molecular methods. Results obtained from the 10 months study indicate in particular that the concentration of cultivable microorganisms on the filters display small variations of 37% from average value for the 5-culture media tested (e.g., 3.9×102 CFU/cm2 for LB medium). The genera Aspergillus, Cladosporium and Penicillium are the most represented among the cultivable microorganisms collected on the extraction filter. © 2022 17th International Conference on Indoor Air Quality and Climate, INDOOR AIR 2022. All rights reserved.
Mots clés
Collection: Bases de données des oragnisations internationales Base de données: Scopus Type d'étude: Étude pronostique langue: Anglais Revue: 17th International Conference on Indoor Air Quality and Climate, INDOOR AIR 2022 Année: 2022 Type de document: Article

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Collection: Bases de données des oragnisations internationales Base de données: Scopus Type d'étude: Étude pronostique langue: Anglais Revue: 17th International Conference on Indoor Air Quality and Climate, INDOOR AIR 2022 Année: 2022 Type de document: Article