2010年春运期间长途空调旅客列车车厢环境与空气质量综合评价

目的]了解春运期间旅客列车车厢空气质量。方法]2010年2月2-5日,在南宁铁路局选择旅客流量大的8趟长途空调列车,检测风速、温度、相对湿度、噪声、二氧化碳、空气细菌总数、可吸入颗粒物,并采用空气质量综合评价方法进行评价。结果]8趟列车合计检测40个点,风速、温度、相对湿度、噪声、二氧化碳、空气细菌总数、可吸入颗粒物超标率分别为2.50%、97.50%、22.50%、75.00%、32.50%、2.50%、12.50%。综合评价4趟旅客列车车厢的环境、空气质量,Ⅱ级（未污染）的2趟,Ⅲ级（轻度污染）的2趟;最主要污染物3趟是二氧化碳,1趟是相对湿度。结论]春运期间部分长途空调旅客列车车厢环境和空气受到污染。

Comprehensive Evaluation on Environment and Air Quality in Air-conditioning Passenger Trains during the 2010 Spring Festival Transportation

Objective] To understand the air quality in the passenger train compartment during the Spring Festival transportation.Methods]On February 2-5,8 passenger trains were sampled with a large number of passengers,to detect the wind speed,temperature,relative humidity,carbon dioxide,index of the aerobic count（the total number of bacteria）,respirable particulate matter,and the air quality comprehensive evaluation method was used.Results]The excessive standard rate of the wind speed,temperature,relative humidity,carbon dioxide,index of the aerobic count（the total number of bacteria）,respirable particulate matter were 2.5%,97.5%,22.5%,75.0%,32.5%,2.5%,and 12.5%.Two passenger trains＇ air quality comprehinsive index was class II（no pollution）,and the other two was class III（slight pollution）;3 trains＇ main pollutant was carbon dioxide,the other one was relative humidity.Conclusion]Air-conditioning passenger trains＇ environment and air quality are polluted during the Spring Festival transportation.