论文部分内容阅读
1987年9月18日,山西大学部分居民发现饮用水混浊、有异味。饮用此水的3900人中有1000余人饮用此水后1～2天出现腹痛腹泻,恶心呕吐.食欲不振等消化道症状。 经调查,饮用水由蓄水池加压供给,蓄水池约2/3来自学校4号井水,1/3由自来水管道输送。饮用水污染原因是下水道发生堵塞,生活污水排出受阻逆流进溢水井并蓄积超过蓄水池,污染了生活饮用水。污染的根本原因是供水管道设计不合理,违反了我国生活饮用水卫生法第4章第22条规
September 18, 1987, some residents of Shanxi University found that drinking water turbidity, smell. More than 1,000 people in the 3900 drinking this water have diarrhea, nausea and vomiting, loss of appetite and other gastrointestinal symptoms 1 to 2 days after drinking this water. After investigation, the drinking water was pressurized by reservoirs, about two-thirds of which came from School No. 4 well water and one-third from piped waterways. Drinking water pollution is due to sewer plugging, domestic sewage discharge blocked flow countercurrent overflow wells and accumulated over the reservoir, polluted the drinking water. The root cause of pollution is that the design of water supply pipe is unreasonable, which violates the provisions of Article 22 of Chapter 4 of China’s Drinking Water Hygiene Law