Exposure to low-level VC could cause DNA damage in lymphocytes,and that single cell microgel electrophoresis technique can be used as an objective indicator to detect early occupational hazard caused by low level VC.

• 接触低浓度氯乙烯可引起淋巴细胞DNA 损伤， 单细胞微量凝胶电泳技术可作为检测低浓度VC 职业危害的早期客观指标。