我县某厂于１９９８年８月８日２３时左右发生１例急性苯中毒死亡事故，现报告如下。１　事故经过　该厂为生产氰化菊酯已１２年的老厂。在常压蒸馏到减压蒸馏提取回收苯过程中，因较长时间阀门未检修，蒸馏锅内压过高以致出料口阀门爆裂，造成苯蒸气外冲，当时有３人在场，另 A factory in our county at about 23 o’clock on August 8, 1998 occurred in 1 case of acute benzene poisoning death, are as follows. 1 accident after the plant for the production of cyhalothrin has 12 years old factory. During the process of atmospheric distillation to vacuum distillation and recovery of benzene, due to the fact that the valve was not overhauled for a long time, the internal pressure of the distillation pot was so high that the outlet valve burst, resulting in the benzene vapor being washed out. At that time, three people were present.