惠州市惠阳区公共场所空调系统污染状况调查

目的为了解惠州市惠阳区公共场所空调系统微生物污染情况,为改善空调环境下的室内空气质量、制定预防控制措施提供依据。方法于2010年1～12月对惠州市惠阳区8家公共场所（商场、宾馆、医院等）的集中空调通风系统的卫生状况进行抽样调查,进行细菌总数、真菌总数、溶血性链球菌检测,空调冷却塔水进行嗜肺军团菌检测。结果空调送风口细菌总数的合格率为69.4%（25/36）,真菌总数合格率为78.6%（22/28）;空调管道积尘细菌总数合格率为62.5%（5/8）,霉菌总数合格率为37.5%（3/8）,所有样品均末检出溶血性链球菌;空调冷却水嗜肺军团菌的检出率为25.0%（4/16）。结论惠州市惠阳区公共场所集中空调送风系统各环节存在一定程度的污染,已对人群健康构成一定威胁,应加大监督管理力度,加强送风系统各环节的清洁和消毒工作。

Investigate the Pollution status of air-conditioning systems in Public places in hui yang district huizhou

Objective To investigate the Pollution status of air-conditioning systems in Public places in hui yang District,in order to offer veidence for impproving indoor airquality when using air-conditioning systems.Methods eight hotel and Public places were selected to examine and appraise the total number of bacteria and fungi and hemolytic streptococcus,Air conditioning cooling towers water testing L.pneumophila.Results the eligibility rate of the total number of bacteria and fungi in air blow were 69.4%、78.6%,and the eligibility rate of dust volume the total number of bacteria and fungi in interal surface of pipes were 62.5%、37.5%.the pollution rate of L.pneumophila was 25.0%.Conclusions there is Pollution in air-conditioning systems.using air-conditioning systems in some degree in Public places in hui yang district.so,important measure for impproving indoor air quality and ensuring people＇s health is to strengthen management running the use of air-conditioning systems.