FOR IMMEDIATE RELEASE, April 17, 2024
Tom Clements, SRS Watch – 803.240.7268 | Email
Scott Yundt, TVC – 415.990.2070 | Email
Jay Coghlan – 505.989.7342 | Email
Nearly three years after filing a Freedom of Information Act request, the public interest group Savannah River Site Watch has finally received the National Nuclear Security Administration’s (NNSA’s) congressionally-required “Research Program Plan for Plutonium and Pit Aging.” However, the document is 40% blacked out, including references and acronyms. Plutonium “pits” are the radioactive cores of all U.S. nuclear weapons. The NNSA claims that potential aging effects are justification for a ~$60 billion program to expand production. However, the Plan fails to show that aging is a current problem. To the contrary, it demonstrates that NNSA is delaying urgently needed updated plutonium pit aging research.
In 2006 independent scientific experts known as the JASONs concluded that plutonium pits last at least 85 years without specifying an end date [i] (the average pit age is now around 40 years). A 2012 follow-on study by the Lawrence Livermore nuclear weapons lab concluded:
“This continuing work shows that no unexpected aging issues are appearing in plutonium that has been accelerated to an equivalent of ~ 150 years of age. The results of this work are consistent with, and further reinforce, the Department of Energy Record of Decision to pursue a limited pit manufacturing capability in existing and planned facilities at Los Alamos instead of constructing a new, very large pit manufacturing facility…” [ii]
Since then NNSA has reversed itself. In 2018 the agency decided to pursue the simultaneous production of at least 30 pits per year at the Los Alamos National Laboratory (LANL) in northern New Mexico and at least 50 pits per year at the Savannah River Site (SRS) in South Carolina. Upgrades to plutonium facilities at LANL are slated to cost $8 billion over the next 5 years. The redundant Savannah River Plutonium Processing Facility in South Carolina will cost up to $25 billion, making it the second most expensive building in human history.