化学品中毒事故是一种或数种物质释放的意外事件,它能在短时间或较长时间内损害人体健康或危害环境,使机体引起中毒病变,常导致群体发病,造成环境公害,给国家和民众造成重大经济损失和不良社会影响。合肥市在生产过程中使用、储存有害化学品的企业有127家,生产接触者约有5 000? Chemical poisoning is an accidental release of one or several substances. It can damage human health or harm the environment in a short period of time or a long time, causing the organism to cause poisoning. It often leads to the occurrence of groups and environmental pollution, And the public caused significant economic losses and adverse social impact. There are 127 enterprises in Hefei which are used in the production process to store harmful chemicals, and about 5 000 of them produce contacts.