Experimental test indicate that Kui-river of Xuzhou city is heavily polluted.The genetic toxicity of some areas of the river is also high that lots of harmful pollutants can be detected in the water.

• 实验结果显示市区奎河段水质处于重度污染水平,部分水域的水质遗传毒理学指标很高,提示其中含有较多的污染物,对居民构成潜在的遗传毒性威胁。