论文部分内容阅读
1 哈尔滨市发生的两起二次供水污染事件1·1 1990年10月17日～24日,哈尔滨市道外区太古小区的居民,因生活饮和水受污染而暴发了一起感染性腹泻。在对该小区二次供水的卫生学调查发现:生活饮用水水池为地下蓄水池,该蓄水池选址、设计不合理,施工不当。生活饮用水设施未经当地卫生行政部门审批和验收而擅自施工,擅自投入使用。蓄水池外围5米内共有3个污水井,该水池溢流管
1 Two Secondary Water Supply Pollution Incidents in Harbin 1.1 From October 17 to October 24, 1990, residents of the Taikoo quarter in the out-of-town area of Harbin reported an outbreak of infectious diarrhea due to contamination of drinking water and drinking water. Hygiene survey on secondary water supply in the district found that: the domestic drinking water pool is an underground water storage pond, and the location of the water storage pond is not properly designed and improperly constructed. Life drinking water facilities without the approval of the local health administrative departments and acceptance of unauthorized construction, unauthorized use. A total of 3 sewage wells within 5 meters outside the reservoir, the pool overflow pipe