2011年8月12日17时,浦东新区某污水厂施工工地突发一起职业性硫化氢中毒事件,造成3人中毒,其中2人死亡。现将调查结果报告如下。1中毒发生经过8月12日下午,某污水厂委托某市政养护有限公司进行非开挖污水管道换管连井工作。13时,工作人员丁某(男,50岁)下井进行排水、更换管道工作长达2h,被队长唤上来休 At 1800 hours on August 12, 2011, a professional hydrogen sulfide poisoning accident occurred on the construction site of a WWTP in Pudong New Area, killing three people and killing two of them. The survey results are reported below. 1 Poisoning After the afternoon of August 12, a sewage treatment plant commissioned by a municipal conservation of non-digging sewage pipe for pipe work. At 13 o’clock, the working staff Dingmou (male, 50 years old) went down for drainage, replaced the pipework for up to 2 hours and was summoned back by the captain