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1998年开始实施GB 17051一1997《二次供水设施卫生规范》,因此在1998年以前建造的居民小区二次供水设施不符合现行的要求,存在设施缺陷,成为饮水卫生安全隐患~([1])。本文报道一起旧的二次供水设施水质指标波动引发腹泻事件的调查分析。1基本情况某年9月5日上午,卫生部门接到某高层建筑大楼的居民反映该大楼水质异常的举报,并有几十名居民发生呕吐、腹泻等胃肠道症状。经初步了解,该幢18层的居民楼始建于1988年,1992年
Since 1998, the implementation of GB 17051-1997 “secondary water supply facilities health norms”, so in 1998 before the construction of residential district secondary water supply facilities do not meet the current requirements, the existence of facility defects, drinking water health and safety hazards ~ ([1] ). This article reports the investigation and analysis of a diarrhea episode caused by the fluctuation of water quality indicators in the old secondary water supply facilities. 1 Basic Information On the morning of September 5, 2005, residents of a high-rise building in the health sector reported that the water quality of the building was abnormal. Dozens of residents suffered gastrointestinal symptoms such as vomiting and diarrhea. After a preliminary understanding, the 18-storey residential building was built in 1988 and 1992