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|Title:||Interstate Power Company, natural gas explosion and fire, Clear Lake, Iowa, July 12, 1983.|
|All Authors / Contributors:||National Transportation Safety Board. Bureau of Accident Investigation.|
|Notes:||Misc. No.: NTSB/PAR-84/02.
Accession No.: 70736.
|Year:||May 17, 1984.|
|Publisher:||Washington, DC : The Bureau,|
|Class Descriptors:||LC Class No.: TN880.5 .U58 84/02|
|Corporate Author:||National Transportation Safety Board. Bureau of Accident Investigation.|
|Series:||Pipeline accident report; Variation: Pipeline accident report.|
The National Transportation Safety Board determines that the probable cause of the accident was the failure of a substandard butt fusion joint in a plastic gas main which allowed gas to escape and the failure of Interstate personnel to locate and rapidly shut off the source of gas and to eliminate sources of ignition.