PresentationA substantial explosion attributed to thermal decomposition of o,o-dimethyl phosphoramidothioate (DMPAT) resulted in 1 fatalities and 1 injury in Taichung, Taiwan, in 2016. An analysis of this explosion indicated that such an accident could have been prevented, or the consequences might not have been as severe if certain elements of process safety management (PSM) had been applied. Proper execution of process safety management, including process safety information, operating procedures, pre-startup safety review, and process hazard analysis, can prevent the occurrence of such explosion accidents. The impact of this explosion could have been reduced had these process safety management elements, particularly management of change, been executed
