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2010 Tesoro Anacortes Refinery disaster
The 2010 Tesoro Anacortes Refinery disaster was an industrial accident that occurred at the Tesoro refinery in Anacortes, Washington on April 2, 2010. Seven workers were killed in an explosion and resulting fire when a heat exchanger ruptured after a maintenance restart.
==Explosion==
At 12:30 a.m. on April 2, while personnel were performing post-maintenance heat exchanger startup operations, a heat exchanger on an adjacent bank catastrophically ruptured. The pressure-containing shell of the heat exchanger separated at its weld seams, expelling a large volume of very hot hydrogen and naphtha.〔 The resulting explosion was so violent that many in Anacortes felt the shock wave across Fidalgo Bay. A giant fireball lit up the sky above the refinery, and a plume of black smoke was pushed toward the town by a southeast wind. It took about 90 minutes to put the fire out.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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