Whakakīhia te rerenga e whai ake nei: Ko te ngenge nā te mahi huringa i whai wāhi ki ētahi parekura ahumahi, tae atu ki te parekura Three Mile Island, te parekura Space Shuttle Challenger me te parekura Chernobyl. Ko te pūrongo whakamutunga a te Alaska Oil Spill Commission mō te
I kitea e te aitua hinu o te "Exxon Valdez" ko te mea "ka taea" ko nga haora mahi nui i uru ki te ngenge o te kaimahi, na reira i uru ki te rere o te kaipuke.