Chia Nan University of Pharmacy & Science Institutional Repository:Item 310902800/27723
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    標題: Application of chlorine dioxide for disinfection of student health centers
    作者: Hsu, Ching-Shan
    Lu, Ming-Chun
    Huang, Da-Ji
    貢獻者: 環境資源管理系
    關鍵字: Student Health Center
    Chlorine Dioxide
    Bioaerosols
    Bacteria
    Fungi
    日期: 2012-2
    上傳時間: 2014-03-24 15:22:49 (UTC+8)
    出版者: Springer
    摘要: In Taiwan, the immediate health care requirements of students and faculty members are satisfied by on-campus medical service centers. The air quality within these centers should comply with the guidelines laid down by the Taiwan Environmental Protection Agency (EPA). Accordingly, this study performed an experimental investigation into the efficiency of various chlorine dioxide applications in disinfecting a local student health center (SHC). The air quality before and after disinfection were evaluated in terms of the bioaerosol levels of bacteria and fungi. The average background levels of bacteria and fungi before disinfection were found to be 1,142 +/- 455.4 CFU/m(3) and 520 +/- 442.4 CFU/m(3), respectively. Chlorine dioxide (0.3 mg/m(3)) was applied using three different methods, namely a single, one-off application, multiple applications within a single day, and regular (daily) applications. Among the three disinfection methods, the regular application method was found to yield a high disinfection efficiency for both bacteria and fungi, i.e., 6.5 +/- 0.7% and 4.2 +/- 0.3%, respectively. The average residual bacteria and fungi levels after regular daily interval disinfection were 318.8 +/- 51.5 CFU/m(3) and 254.0 +/- 43.8 CFU/m(3), respectively. Therefore, the results suggest that the air quality guidelines prescribed by the Taiwan EPA for SHCs and other healthcare facilities can best be achieved by applying chlorine dioxide at regular (daily) intervals.
    關聯: Environmental Monitoring And Assessment, 184(2), 741-747
    显示于类别:[環境資源管理系(所)] 期刊論文

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