随着工业化进程的加速,地表水普遍受到有机物污染。有报道指出,目前饮用水中可检出的有机污染物达2 221种,与肿瘤的发生有一定的关系〔1〕。黑龙江省哈尔滨市长期以来以S源水为生活饮用水,由于接纳了上游大量的工业废水和城市生活污水,污染相对严重,1·7 L水富集的有机物有明显 As industrialization accelerates, surface water is generally contaminated with organic matter. It has been reported that there are currently 2221 kinds of organic pollutants detectable in drinking water and have a certain relationship with the occurrence of tumors [1]. Since long ago, Harbin City, Heilongjiang Province, has taken S source water as its drinking water for drinking. Due to the large amount of industrial wastewater and urban sewage received upstream, the pollution is relatively serious. The organic matter rich in 1.7 L of water is obviously