Exxon Knew Its Ruptured Pipeline Was Old, Defective and Brittle, and Still Added New Stresses
By Elizabeth Douglas, InsideClimate News (August 12, 2013). “About a third of the nation’s hazardous liquids pipelines are prone to the types of cracks found on Pegasus, according to Carl Weimer, executive director of the Pipeline Safety Trust. They were built from pipe made with low-frequency electric resistance welds, a process that was widely used by steel mills before 1970.”
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