Pipeline accident report : Natural Gas Pipeline Rupture, and Subsequent Explosion, St. Cloud, Minnesota, December 11, 1998 National Transportation Safety Board (NTSB) 2000 Öppna dokument
Railroad accident report : derailment of Burlington northern and Santa Fe company intermodal freight train S-CHILAC1-31, Crisfield, Kansas, september 2, 1998 National Transportation Safety Board (NTSB) 2000 Öppna dokument
Acrylonitril-uheldet på Næstved Station den 25. september 1992 Beredskabsstyrelsen 1998 Öppna dokument
Pipeline accident summary report : Natural gas pipeline rupture and fire during dredging of Tiger Pass, Louisiana, October 23, 1996 National Transportation Safety Board (NTSB) 1998 Öppna dokument
Pipeline accident summary report : Pipeline rupture, liquid butane release, and fire lively, Texas, August 24, 1996 National Transportation Safety Board (NTSB) 1998 Öppna dokument