Pipe corrosion led to Del. explosion

<div class="meta image-caption"><div class="origin-logo origin-image none"><span>none</span></div><span class="caption-text">Chopper 6 over the Sunoco refinery fire in Claymont, Delaware on Sunday, May 17, 2009.</span></div>
September 8, 2009 12:07:33 PM PDT
Investigators say pipe corrosion that went undetected for years led to an explosion and fire that rocked a Sunoco oil refinery in Claymont.RELATED SLIDESHOW: Pictures of the explosion and fire

Delaware State Fire Marshal Grover Ingle said Tuesday that gas leaking from the pipe was ignited by high temperatures from nearby equipment, resulting in the May 17 fire and explosion.

The state's findings coincide with results from an internal investigation conducted by Sunoco, which said it has stepped up inspection efforts at all of its facilities as the result of the incident.

Authorities said the corrosion resulted from unseen moisture that collected between the bottom of the pipe and a loose steel support on which it rested.


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