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Monday, October 15, 2012

Davis-Besse Station - Near Misses


I picked up this card at Toledo Edison's (then the licensee) visitor center while assisting an NRC Incident Investigation Team in June 1985 sent to evaluate a loss of feedwater incident at the plant, one of the most significant events at an operating plant since the Three Mile Island accident. The Davis Besse plant is also infamous for other significant operating events: a stuck-open pilot-operated relief valve in 1977 that was a precursor to the TMI-2 accident and the 2002 discovery of a pineapple sized hole in the reactor vessel head. Discovery of the latter incident also led to criminal charges being levied against the operator First Energy Corp. and several plant employees related to withholding evidence and making false statements to the NRC related to the vessel head corrosion problem.

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