July 12, 2009 | Mark Paradies

TVA Fly Ash Spill “Root Cause Analysis” Controversy Continues

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A good root cause analysis should explain what happened, how it happened, why it happened, and what can be done to prevent similar accidents in the future. But according to the Knoxville News-Sentinel, the recent contractor who provided root cause analysis of the TVA fly ash spill does none of the above. See:


Letter to TVA from Dr. Bruce Payne:


White paper from Barry Thacker, PE:


Slides from Thacker presentation:


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