National Transportation Safety Board
Office of Public Affairs
In its continuing investigation of a fatal pipeline accident in California last month, the National Transportation Safety Board has released a preliminary factual report.
On September 9, 2010, at approximately 6:11 p.m. PDT, a 30- inch diameter natural gas pipeline ruptured in a residential area in San Bruno, Calif. The accident killed eight people, injured many more, and caused substantial property damage.
The information being released is factual in nature and does
not provide any analysis. The report may be accessed on the
Analysis of the accident facts, along with conclusions and a determination of probable cause, will come at a later date when the final report on the investigation is completed. This is a document release only. No interviews will be conducted.
Additional factual updates will be provided and distributed via media advisory as investigative information is developed.
NTSB Office of Public Affairs: (202) 314-6100
The National Transportation Safety Board (NTSB) is an independent federal agency charged with determining the probable cause
of transportation accidents, promoting transportation safety, and assisting victims of transportation accidents and their families.