Impact of the microbiological quality of external air on the internal environment of four laboratories of public institutions in Guatemala City and Bárcenas, Villa Nueva
DOI:
https://doi.org/10.54495/Rev.Cientifica.v22i1.120Keywords:
Aerobiology, Microbiological air quality, bacterial load, fungical load, aeroscopeAbstract
A research regarding the microbiological air quality was done in four laboratories, three of them were located in Guatemala city - Laboratorio Microbiológico de Referencia (LAMIR), Laboratorio de Análisis Fisicoquímico y Microbiológico (LAFYM), Laboratorio de la Empresa Municipal de Agua (EMPAGUA) -and one in the town of Barcenas Villa Nueva - Laboratorio de la Autoridad en el Manejo Sustentable del Lago de Amatitlán (AMSA) -. The results were obtained using the volumetric method by impaction using a monthly sampling biocolector in the months October 2,008 to March 2,009. The highest fungal load in the indoor environment was presented by the laboratory of EMPAGUA (8100 UFC/m3), meanwhile in the outdoor environment was the AMSA laboratory (14460 UFC/m3). The AMSA laboratory showed the highest bacteriological load, both indoor and outdoor (2630 UFC/m3 and 6780 UFC/m3 respectively). This values were found to be over the regulation applied by the OSHA for the fungical load (2000 UFC/m3) and the bacterial load (1000 UFC/m3).Seventeen fungal genera were isolated and characterized; Cladosporium, Penicillium and Aspergillus dominated in the course of the six monthly samplings, and 40 bacteriological genera were isolated and characterized: Staphylococcus and Bacillus were the dominating genera.
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Copyright (c) 2012 K. Herrera, O. Cobar, J. De León, A. Rodas, S. Boburg, J. Quan, L. Pernilla, C. Mancilla, H. Gudiel
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