DNFSB outlines PF-4 concerns

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By The Staff

The Defense Nuclear Facility Safety Board recently sent a letter to NNSA administrator Frank Klotz, commemorating his 100 days in office.
But that was not the main thrust of the letter.
Also included was a rundown of each of the NNSA sites. And DNFSB chair Peter Winokur had plenty to say about the Los Alamos National Laboratory.
Front and center was the Plutonium Facility.
“The board draws your attention to the Plutonium Facility at Los Alamos National Laboratory, which analysis shows may be vulnerable to collapse as a consequence of a design basis seismic earthquake, and the many challenges brought on by aging infrastructure across the nuclear weapons complex,” Winokur wrote.
Here are the highlights on Los Alamos provided by the DNFSB to Klotz:
• Continued dialogue with NNSA is necessary to fully resolve issues regarding adequate protection of public health and safety in the event of an earthquake affecting LANL’s Plutonium Facility (PF-4). The design basis seismic accident scenario for PF-4 results in unacceptably large offsite dose consequences to the public.

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