我市地铁修建过程中曾发生一起8名工人出现不明原因中毒的事故,经及时抢救,对症治疗后痊愈出院,现报告如下。1临床资料2009年4月25日11:20,某电话局地铁修建公司8名工人在距地面约20 m深处修建地下电缆,由于当时连续3 d阴雨天,地下阴暗潮湿,其工作环境狭小(高1·5 m,宽1·2 m长 In the course of the subway construction in our city, there were 8 workers who had an accident of unknown cause poisoning. After timely rescue and symptomatic treatment, they were discharged from hospital. The report is as follows. 1 Clinical data April 25, 2009 11:20 AM, 8 workers of a telephone company metro construction company built an underground cable at a depth of about 20 m from the ground. Since the underground was dark and wet for 3 days, the working environment was narrow (1.5 meters high and 1.2 meters wide