【摘要】 某工厂因违章使用高砷矿作生产原料且废水处理设备损坏而排放含砷废水，在珠江广州市区员村河段中受潮汐影响，污染了上游３０００ｍ处的一自来水厂的水源，并导致自来水砷含量高达０．２ｍｇ／Ｌ而停产。废水砷含量最高达２２５．０ｍｇ／Ｌ，水源水达１．０ｍｇ／Ｌ。更多还原

【Abstract】 The source of a waterwork in Guangzhou was polluted by arsenic waste water from a chemical factory, which is situated at 3000 meters to the lower reaches in the Pearl River.The arsenic was high to 225.0mg/L in the waste water delivered,1. 0mg/L in the source,0. 2mg/L in the tap water.The reason is that the chemical factory applied illegally high arsenic mineral for production and its equipment of waste water treatment had been damaged and the arsenic reached to the source against the current by the tide.更多还原