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2 (103), 2022


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Edition of the journal is supported partially by the grant of the Fogarty International Center (FIC) of the National Institute of Health and Illinois University, Chicago.

JOURNAL

ISSN 2077-7477 (Print)
ISSN 2077-7485 (Online)

A journal "Dovkillia ta zdorovia" (Environment & Health) publishes the articles on the problems in the field of medical ecology, hygiene, health protection and ecological safety.

Founder of the Journal:
State Institution "O.M. Marzeiev Institute for Hygiene and Medical Ecology of the National Academy of Medical Sciences of Ukraine"

Frequency of publication:
quarterly

Environment & HealthISSN: 2077-7477 eISSN: 2077-7485
No: 2 (103)   -   June, 2022   -   Pages: 63-70
Hygienic-epidemiological assessment of mycological air contamination of residential and public premises
Surmasheva O.V.1, Chernysh O.O.1, Molchanets O.V.1, Rakhmatullin D.D.2
1 State Institution "O.M. Marzeiev Institute for Public Health of the NAMSU", Kyiv
2 Municipal Non-Profit Enterprise "Consultative Diagnostic Center" Pechersk district of Kyiv

: 579.63: 582.28 : 613.5

ABSTRACT:
Objective: analysis of microbiological contamination of air in residential and public premises and determination of the content of mold fungi.

Materials and methods: Saml'air Lite, manufactured by AES CHEMUNEX, France, was used to examine the indoor air (60) and public (63) for microbiological indicators (number of fungi and bacteria). Nutrient media were used: dense nutrient medium nutrient agar and dense nutrient medium Saburo agar with glucose and chloramphenicol. The obtained arithmetic mean number of colonies in each room was counted per 1 m3 of air. Statistical processing of the results was performed using the program STATISTICA 8, Microsoft Exel.

Results: Microbiological, including mycological, indoor air contamination was studied. An average of 205 CFU/m3 of microscopic fungi and 1,073 CFU/m3 of mesophilic aerobic and facultative anaerobic microorganisms (QMAFAnM) were isolated in residential premises without visible signs of biodamage, which was 8,9 times and 2,5 times less respectively than in rooms with bio-damage, where the number of microscopic fungi was 1824 CFU/ m3, and QMAFAnM - 2730 CFU/m3.
It was found that the air in the premises of the surveyed children's institutions in 45,7% of cases was classified as "conditionally clean" (from 200 to 500 CFU / m3 of molds), the air "heavily polluted" was attributed to 40,0%.
In office premises, 61,5% was classified as "conditionally clean" in terms of the level of mold contamination.
In the air environment of "infected apartments" the presence of the number of fungi: Aspergillus srp. 7.3 times (from 11 1 to 80 3 CFU / m3), Cladosporium spp. 18,9 times (from 28 3 to 530 24 CFU / m3), Penicillium spp. - 5.2 times (from 212 14 to 1100 80 CFU / m3), Mucor spr. 5,4 times (from 13 2 to 70 4 CFU / m3), Acremonium spp. 4,8 times (from 25 3 to 120 10 CFU / m3) and Fusarium cpp. 4,3 times (from 21 1 to 90 5 CFU / m3) compared to premises without visible signs of microscopic contamination.

Conclusion. According to the results of research, it was found that in the air of residential and public premises exceeded the safe level of mold in 40% of cases.
Key words:




KEYWORDS:
air, premises, mycological contamination, microscopic fungi
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