07302016Sat
Last updateFri, 29 Jul 2016 2pm

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Investigators Say San Bruno Pipe Failure May Have Started With Bad Welds or Corrosion

The failure of a natural-gas pipeline that ruptured three weeks ago, devastating a San Bruno neighborhood, may have started along a weld or in a weakened section of the 54-year-old pipe, said experts who reviewed photographs of the twisted metal sections Thursday.

The National Transportation Safety Board allowed photographers to take pictures of the segments of pipe at its Virginia laboratory.

Source: San Jose Mercury News

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