AUTOMOBILE AIR-CONDITIONING SYSTEMS AS A SOURCE OF MICROBIAL CONTAMINANTS
Małgorzata Gołofit-Szymczak, Rafał L. Górny, Anna Ławniczek-Wałczyk, Agata Stobnicka, Marcin Cyprowski, Aleksandra Bakal
Pagini: 165-172
Publicat: 1 Jun 2017
Vizualizări: 2,756
Descărcări: 429
Citations: 1 (Google Scholar)
Citations: 1 (OpenAlex)
Rezumat: Automobile air-conditioning (AC) systems may be a source of microbiological contamination of driver’s cabs. The study was carried out in 5 randomly selected cars equipped with automatic climate control system. The bacterial and fungal concentrations in air samples before AC servicing in cars were between 75-510cfu/m3 and 40-195cfu/m3, respectively. After AC service, the decrease in microbial concentrations was observed, lowering the contamination levels to 40-275cfu/m3 for bacteria and to 20-115cfu/m3 for fungi. The most prevalent bacterial species in the air of car cabins were Gram-positive cocci (mainly from Staphylococcus and Micrococcus/Kocuria genera) and endospore-forming Gram-positive rods from Bacillus genus. Among the most common fungal representatives were those from Alternaria, Aspergillus, Cladosporium and Penicillium genera. This study showed that to improve the air quality in cars, regular service, including filter replacement, refilling of cooling medium and disinfection of automobile AC system must be done at regular basis.
Cuvinte cheie: automobile, air-conditioning system, fungi, bacteria, biological aerosol
Citează acest articol: Małgorzata Gołofit-Szymczak, Rafał L. Górny, Anna Ławniczek-Wałczyk, Agata Stobnicka, Marcin Cyprowski, Aleksandra Bakal. AUTOMOBILE AIR-CONDITIONING SYSTEMS AS A SOURCE OF MICROBIAL CONTAMINANTS. Journal of International Scientific Publications: Ecology & Safety 11, 165-172 (2017). https://www.scientific-publications.net/en/article/1001364/
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