<prompt> Qedela umusho olandelayo: Lapho ethola ikhomishini yakhe, u-Iris wabelwa esifundeni se-8th Coast Guard futhi wafika ekhaya eGalveston, eTexas lapho asetshenziselwa khona imisebenzi ejwayelekile ye-ATON kuze kube sekupheleni kwempi. Ngo-Ephreli 1947, wasiza ekususeni abalimale enhlekeleleni yaseTexas City lapho i-ammonium nitrate yaqhuma khona. Ngemva kokusiza ekususweni kwabantu, i-Iris yaphindela endaweni yesehlakalo ukuze isize ekulweni nemililo eminingi eyayisiqalile. Ngo-April 1989, waphendula ngokumangala  <response>: Ukuchitheka kukawoyela e-Exxon Valdez futhi wasiza ekuhlanzeni iPrince William Sound. Ngo-1997, wadluliselwa eMnyangweni Wezemikhumbi. 