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目的了解北京市餐厅采取控烟措施的现况和实行禁烟措施对减少室内烟草烟雾浓度的效果。方法电话调查部分餐厅和酒吧采取的各种禁烟措施情况,采用AM510型个人智能防爆粉尘检测仪对室内外细颗粒物PM_(2.5)的浓度进行检测,分析不同禁烟措施和不同类别餐厅烟草烟雾浓度以及室内外细颗粒物浓度差是否存在差异。结果在抽取调查92家的餐厅、酒吧中,采取完全禁烟和部分禁烟措施的占27.9%。92家的室内细颗粒物平均浓度达到253.08μg/m~3,比室外的高102.37%;有禁烟规定的餐厅和酒吧室内外细颗粒物浓度分别是93.10μg/m~3和110.33μg/m~3,无禁烟规定的餐厅、酒吧室内外细颗粒物浓度分别是289.34μg/m~3和128.40μg/m~3,不同类型餐厅、酒吧室内外细颗粒物浓度分别是413.46μg/m~3和190.62μg/m~3,西式快餐厅室内外细颗粒物浓度分别是83.86μg/m~3和104.77μg/m~3,不同档次的餐厅中,室外细颗粒物浓度均比室内低。所调查餐厅、酒吧的室内细颗粒物浓度与单位体积吸烟人数呈显著正相关。结论餐厅内采取禁烟措施能有效减少环境烟草烟雾污染。
Objective To understand the current situation of adopting tobacco control measures in Beijing restaurants and the effect of adopting no-smoking measures on reducing indoor tobacco smoke concentration. Methods The telephone survey was conducted to investigate the various smoking control measures adopted by some restaurants and bars. The AM510 personal intelligent explosion-proof dust detector was used to detect the indoor and outdoor fine PM_ (2.5) concentrations and analyzed the effects of different smoking control measures and different types of tobacco smoke concentrations in restaurants Indoor and outdoor fine particle concentration difference is there any difference. Results In the 92 restaurants and bars surveyed, 27.9% of them took complete no-smoking and partial no-smoking measures. The average concentration of indoor fine particles in the 92 households was 253.08 μg / m 3, which was 102.37% higher than that of the outdoor ones. The concentrations of indoor and outdoor fine particulates in restaurants and bars with no smoking regulations were 93.10 μg / m 3 and 110.33 μg / m 3, respectively The indoor and outdoor fine particle concentrations of non-smoking restaurants and bars were 289.34μg / m ~ 3 and 128.40μg / m ~ 3, respectively. The indoor and outdoor fine particle concentrations in different types of restaurant and bar were 413.46μg / m ~ 3 and 190.62μg / m ~ 3, indoor and outdoor fine particle concentration of fast food restaurant were 83.86μg / m ~ 3 and 104.77μg / m ~ 3, different grades of restaurants, the outdoor concentration of fine particles than the indoor low. The concentrations of indoor fine particles in the restaurants and bars investigated were positively correlated with the number of smokers per unit volume. Conclusion The banning of smoking in restaurants can effectively reduce environmental tobacco smoke pollution.