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Feyz 2017, 21(1): 66-73 Back to browse issues page
Indoor and ambient air concentrations of respirable particles between two hospitals in Kashan (2014-2015)
Mahmoud Mohammadyan, Sepideh Keyvani *, Jamshid Yazdani-Charati, Abbas Bahrami, Razieh Yousefi-Nejad
Department of Occupational Health, Faculty of Health, Mazandaran University of Medical Sciences, Sari, I. R. Iran. , s.keyvani90@yahoo.com
Abstract:   (2586 Views)

Background: The hospital environment requires special attention to provide healthful indoor air quality for protecting patients and healthcare workers against the occupational diseases. The aim of this study was to determine the concentrations of respirable particles   indoor and ambient air of two hospitals in Kashan.

Materials and Method: This cross-sectional study was conducted during 3 months (Marth 2014 to May 2015). Indoor and outdoor PM10 and PM2.5 concentrations were measured four times a week in the operating room, pediatric and ICU2 (Intensive Care Unit) wards using a real time dust monitor at two hospitals. A total number of 480 samples (80 samples indoors and 40 outdoors) from wards were collected.  

Results: The highest mean PM2.5 and PM10 for indoors were determined 57.61± 68.57 µg m-3 and 212.36±295.49 µg m-3, respectively. The results showed a significant relationship between PM2.5 and PM10 in the indoor and ambient air of two hospitals (P<0.05). PM2.5 and PM10 concentrations were different in all of the selected wards (P<0.05).

Conclusion: The respirable particle concentrations in the indoor and ambient air in both hospitals were higher than the 24-hours WHO and US-EPA standards. Thence, utilizing sufficient and efficient air conditioning systems in hospitals can be useful in improving indoor air quality and reducing the respirable particle concentrations.

Keywords: PM2.5, PM10, Indoor air, Hospital
Full-Text [PDF 257 kb]   (1930 Downloads)    
Type of Study: Research | Subject: General
Received: 2017/02/28 | Accepted: 2017/02/28 | Published: 2017/02/28
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