Repository of Research and Investigative Information

Repository of Research and Investigative Information

Kurdistan University of Medical Sciences

Density assessment and mapping of microorganisms around a biocomposting plant in Sanandaj, Iran

(2017) Density assessment and mapping of microorganisms around a biocomposting plant in Sanandaj, Iran. Environmental Monitoring and Assessment.

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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....

Abstract

Exposure to microorganisms can cause various diseases or exacerbate the excitatory responses, inflammation, dry cough and shortness of breath, reduced lung function, chronic obstructive pulmonary disease, and allergic response or allergic immune. The aim of the present study was to investigate the density of microorganisms around the air of processing facilities of a biocomposting plant. Each experiment was carried out according to ASTM E884-82 (2001) method. The samples were collected from inhaled air in four locations of the plant, which had a high traffic of workers and employees, including screen, conveyor belt, aerated compost pile, and static compost pile. The sampling was repeated five times for each location selected. The wind speed and its direction were measured using an anemometer. Temperature and humidity were also recorded at the time of sampling. The multistage impactor used for sampling was equipped with a solidified medium (agar) and a pump (with a flow rate of 28.3 l/m) for passing air through the media. It was found that the mean density of total bacteria was >1.7 × 103 cfu/m3 in the study area. Moreover, the mean densities of fungi, intestinal bacteria (Klebsiella), and Staphylococcus aureus were 5.9 × 103, 3.3 × 103, and 4.1 × 103 cfu/m3, respectively. In conclusion, according to the findings, the density of bacteria and fungi per cubic meter of air in the samples collected around the processing facilities of the biocomposting plant in Sanandaj City was higher than the microbial standard for inhaled air. © 2017, Springer International Publishing Switzerland.

Item Type: Article
Keywords: Belt conveyors; Composting; Fungi; Microorganisms; Pathology; Piles; Pulmonary diseases; Wind, Airborne microorganisms; Chronic obstructive pulmonary disease; Exposure; Intestinal bacteria; Processing facilities; Staphylococcus aureus; Temperature and humidities; Workers, Bacteria, compost; composting; microorganism; occupational exposure; plant; respiratory disease; waste facility; wind direction; wind velocity, air analysis; air quality standard; air sampling; air temperature; airflow; anemometer; Article; bacterial count; colony forming unit; composting; culture medium; flow rate; fungus count; humidity; Iran; Klebsiella; microbiological parameters; nonhuman; Staphylococcus aureus; wind; analysis; bacterium; environmental monitoring; fungus; human; microbiology; occupational exposure; procedures; statistics and numerical data, Iran; Kordestan Iran; Sanandaj, Bacteria (microorganisms); Fungi; Klebsiella; Staphylococcus aureus, Air Microbiology; Bacteria; Environmental Monitoring; Fungi; Humans; Humidity; Iran; Occupational Exposure; Staphylococcus aureus
Journal or Publication Title: Environmental Monitoring and Assessment
Volume: 189
Number: 5
Publisher: Springer International Publishing
Identification Number: 10.1007/s10661-017-5914-6
ISSN: 01676369
Depositing User: مهندس مهدی شریفی
URI: http://eprints.muk.ac.ir/id/eprint/264

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