The following is a list of pipeline accidents in the United States in the 1980s. It is one of several lists of U.S. pipeline accidents. See also: list of natural gas and oil production accidents in the United States. Incidents. This is not a complete list of all pipeline accidents. For natural gas alone, the Pipeline and Hazardous Materials Safety Administration (PHMSA), a United States Department of Transportation agency, has collected data on more than 3,200 accidents deemed serious or significant since 1987. A "significant incident" results in any of the following consequences: PHMSA and the National Transportation Safety Board (NTSB) post-incident data and results of investigations into accidents involving pipelines that carry a variety of products, including natural gas, oil, diesel fuel, gasoline, kerosene, jet fuel, carbon dioxide, and other substances. Occasionally pipelines are re-purposed to carry different products. 1989. The following incidents occurred in 1989: