PC 방 금연구역의 간접흡연 노출
Secondhand Smoke Exposure in Commercial Personal Computer Rooms
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참고문헌
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초록
In this study, exposure to secondhand smoke (SHS) was evaluated in commercial personal computer (PC) rooms with different separation types of non-smoking areas. The particulate matter less than 2.5 μm (PM2.5) level was simultaneously measured by aerosol spectrometers in the non-smoking and smoking areas of these commercial PC rooms. Average PM2.5 concentrations in non-smoking and smoking areas were 75 μg/m3 and 136 μg/m3, respectively. Although the PM2.5 concentrations in non-smoking areas were significantly less than those in smoking areas (p<0.01), the levels still exceeded the US National Ambient Air Quality Standard of 35 μg/m3. Average PM2.5 concentrations in non-smoking areas were not significantly different with regard to area separation type, with 73 μg/m3 in the no-wall type, 83 μg/m3 in the wall-type, and 39 μg/m3 in the separated-floor-type areas (p>0.1). Separation of the non-smoking area thus did not eliminate SHS exposure in commercial PC rooms, regardless of the type of area separation. This study demonstrates that simple separation of non-smoking areas in commercial PC rooms does not protect users from SHS.
Abstract
In this study, exposure to secondhand smoke (SHS) was evaluated in commercial personal computer (PC) rooms with different separation types of non-smoking areas. The particulate matter less than 2.5 μm (PM2.5) level was simultaneously measured by aerosol spectrometers in the non-smoking and smoking areas of these commercial PC rooms. Average PM2.5 concentrations in non-smoking and smoking areas were 75 μg/m3 and 136 μg/m3, respectively. Although the PM2.5 concentrations in non-smoking areas were significantly less than those in smoking areas (p<0.01), the levels still exceeded the US National Ambient Air Quality Standard of 35 μg/m3. Average PM2.5 concentrations in non-smoking areas were not significantly different with regard to area separation type, with 73 μg/m3 in the no-wall type, 83 μg/m3 in the wall-type, and 39 μg/m3 in the separated-floor-type areas (p>0.1). Separation of the non-smoking area thus did not eliminate SHS exposure in commercial PC rooms, regardless of the type of area separation. This study demonstrates that simple separation of non-smoking areas in commercial PC rooms does not protect users from SHS.
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