Methods Altogether 97 water samples in dry season and 101 samples in rainy season were collected, and the mutagenicity was detected by the Vicia faba root-tip micronucleus test and comet assay test.

• 方法：采用蚕豆根尖微核试验和慧星实验方法，检测泰兴市枯水期97份和丰水期101份水样的致突变性。