"We had two senior and respected members of our board who were in that small section of supporters and they are quite adamant that the words were not spoken, " he added.
Officials from the National Transportation Safety Board have said they are examining the broken section of rail and the "witness mark" it left on one wheel of the first train.
The bureaucrats' side was showcased at the U.S. Securities and Exchange Commission and Public Company Accounting Oversight Board roundtable hearing last week on Sarbanes-Oxley's section 404.