SAN FRANCISCO (AP) — Pacific Gas and Electric Co. says more than 200 of its gas pipelines are in danger of a failure similar to the deadly 2010 explosion in the San Francisco suburb of San Bruno.

The company found the transmission pipelines had sections riddled with vulnerable seam welds. It identified a total of 239 problematic pipeline segments spanning a total of 47 miles throughout Northern and Central California.

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The company says the welds are at risk of failure because of their age or the company’s previous practice of pressurizing the lines above legal limits.

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Eight people died and 38 homes were destroyed when a transmission line with a faulty weld exploded in San Bruno on Sept. 9, 2010.

PG&E says the company plans to pressure test, replace or otherwise examine the pipeline segments it identified over the next two years.

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Copyright 2012 The Associated Press.