INVESTIGATION ON PARTICLE MATTER CONCENTRATION AND BACTERIAL BIOAEROSOLS IN INDOOR AIR OF PRISONS

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SEKHAVATJOU MOHAMMAD SADEGH; ZEKAVATI ROYA; PEYMANI FROSHANI MOHSEN

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Journal: Iranian Journal of Health and Environment Year:2013 | Volume:6 | Issue:3 Page(s): 295-306

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Title

INVESTIGATION ON PARTICLE MATTER CONCENTRATION AND BACTERIAL BIOAEROSOLS IN INDOOR AIR OF PRISONS

Author(s)

SEKHAVATJOU MOHAMMAD SADEGH | ZEKAVATI ROYA | PEYMANI FROSHANI MOHSEN | Issue Writer Certificate

Keywords

BIOAEROSOLQ2

PRISONQ2

PARTICULATE MATTERQ1

BACTERIAQ2

RESPIRATORY DISEASEQ2

Abstract

Background and objectives: Many of non-respiratory and respiratory disorders are associated with BIOAEROSOLs in indoor and outdoor air. The best conditions for BIOAEROSOLs life are high humidity and moderate temperatures, which exist usually in indoor spaces such as the PRISONs, where density of individual is high. Pathogen spreading centers cause the PRISONers health at risk of disease outbreaks through airborne and breathing, sneezing, and coughing. Therefore, the aim of this research work was to measure concentration of PARTICULATE MATTERs and also to identify and determine BACTERIA existing in the PRISONers breathing air at high-density areas in one of the PRISONs and their relationship with each other.Materials & Method: we conducted this research during summer and winter of 2012. We used TSI apparatus for collecting particles (PM2.5 and PM10). Blood agar and EMB agar media were applied to measure BACTERIA in indoor air (bedchambers and clinical admission wards) of the PRISON. According to NIOSH 0800 method, High volume pump with 28.3 L/min flow and a Single-stage Anderson Impactor were used for sampling. The time of measuring for each plate was 2.5 min. Finally, the data achieved were analyzed using SPSS after counting and detecting BACTERIAl colonies grown and determining its density (CFU/m3) for two consecutive seasons of summer and winter. The tests analyzed by SPSS were ANOVA, Post hoc, correlation, and Pearson correlation tests.Results: Amounts of PARTICULATE MATTER in bedchambers were exceeded than 24-hour EPA limits, while it was less than the limits in clinical admission wards. Gram-positive and gram-negative BACTERIA were found in three bedchambers (50% of the bedchambers); however, gram-positive BACTERIA were cultivated only in three bedchambers. The maximum BACTERIAl contamination was measured at the main Lobby of the PRISON and bedchamber II and the minimum value was observed in admitted patient and TB patient wards. Results showed that there is no significant relationship between the PARTICULATE MATTERs and the BACTERIAl density during neither summer nor winter, but there is a strong and direct relationship between the PRISONers population density, ventilation systems, and BACTERIAl density n indoor air of the studied PRISON.Conclusion: Based on the results, the maximum contamination load and exceeded concentration was observed in public sections and bedchambers. This findings were attributed to the daily entry of new PRISONers, high population density in PRISON, presence of ill PRISONers, PRISONers with hidden RESPIRATORY DISEASE showing no symptoms yet, old building, climatic conditions of the region, low efficiency of ventilation systems, and influx of particulates. To filter and purify PRISON indoor air, it is crucial to take serious action plans such as reducing criminal population density, sanitary and engineering measures.

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APA: Copy

SEKHAVATJOU, MOHAMMAD SADEGH, ZEKAVATI, ROYA, & PEYMANI FROSHANI, MOHSEN. (2013). INVESTIGATION ON PARTICLE MATTER CONCENTRATION AND BACTERIAL BIOAEROSOLS IN INDOOR AIR OF PRISONS. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, 6(3), 295-306. SID. https://sid.ir/paper/145765/en

Vancouver: Copy

SEKHAVATJOU MOHAMMAD SADEGH, ZEKAVATI ROYA, PEYMANI FROSHANI MOHSEN. INVESTIGATION ON PARTICLE MATTER CONCENTRATION AND BACTERIAL BIOAEROSOLS IN INDOOR AIR OF PRISONS. IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT[Internet]. 2013;6(3):295-306. Available from: https://sid.ir/paper/145765/en

IEEE: Copy

MOHAMMAD SADEGH SEKHAVATJOU, ROYA ZEKAVATI, and MOHSEN PEYMANI FROSHANI, “INVESTIGATION ON PARTICLE MATTER CONCENTRATION AND BACTERIAL BIOAEROSOLS IN INDOOR AIR OF PRISONS,” IRANIAN JOURNAL OF HEALTH AND ENVIRONMENT, vol. 6, no. 3, pp. 295–306, 2013, [Online]. Available: https://sid.ir/paper/145765/en

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