Analiza mikrobiologiczna powietrza na terenie i w otoczeniu kompostowni
Microbiological analysis of the air in the composting facilities and its surroundings

Summary/Abstract: The aim of this study was to estimate the concentration level and microbiological composition of bioaerosol around composting facilities and evaluation of its harmful effect on the environment. The influence of composting facilities on microbial contamination in the air has been found in the distance of 550 m. Air samples for microbiological analyses were collected with the compaction method using the Merck MAS – 100 EcoTM type impactor. The highest concentration of total count of bacteria and actinomycetes in the air was noticed in the distance of 200 m from composting facilities. It was no expansion of E. coli bacilli and Salmonella spp. in the air of surroundings of the facilities. The highest percentage of bacterial aerosol comprised Gram-positive cocci, and then G+ and G-bacilli. Concentration of mould fungi reached up to 2080 cfu∙m-3, which indicated unpolluted air at all stands tested. Mycological analyses confirmed the presence in the studied air of fungi with potentially allergic and mycotoxinogenic properties from the general: Aspergillus, Cladosporium, Alternaria. Although the level of microorganism concentration in the air around the monitored facilities was not high, may pose a threat to the environment and health of the local residents.

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