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地处海防的某部农场水井,经过多年监测,除细菌总数稍超过标准外,水质的其他项目均在正常范围之内。但发生了一起严重的污染。一、污染经过 2月份,水井周围20米以内的草地被开垦种菜,施肥用的是未经过处理的人粪尿。3月份,菜地的西北角上,建了一个小便处,便池是用半边破缸做成。5月份菜地的西南角上,建了一个新厕所,系1格粪池而且露天。于是,从7月29日起,发现水井有一股极难闻的腐败
After some years of monitoring wells in a certain farm in Haiphong, all other water quality items are within the normal range, except for the total number of bacteria slightly exceeding the standard. But a serious pollution occurred. First, the pollution After February, about 20 meters around the wells were reclaimed vegetables, fertilization is the use of untreated human waste. In March, on the northwest corner of the vegetable plot, a small urinal was built, and the urinal was made of half-broken jar. On the southwest corner of the vegetable plot in May, a new toilet was built, which was a septic tank and was open-air. So, from July 29 onwards, we found that wells have a very unpleasant corruption