Arnie, Chief Engineer at Fairewinds Associates, Inc., serves as expert witness for an environmental coalition, including Beyond Nuclear, challenging Entergy Nuclear's application to weaken reactor pressure vessel (RPV) embrittlement safety standards, yet again, at its Palisades atomic reactor in s.w. MI on the Lake Michigan shoreline. Palisades has the worst embrittled RPV in the U.S., at risk of pressurized thermal shock, fracture, Loss-of-Coolant-Accident, core meltdown, containment failure, and catastrophic release of hazardous radioactivity.