US investigates after lab improperly ships nuclear material

U.S. regulators said Friday they are launching an investigation into the improper shipment of nuclear material from the laboratory that created the atomic bomb to other federal facilities this week, marking the latest safety lapse for Los Alamos National Laboratory as it faces growing criticism over its track record.

The National Nuclear Security Administration said it was informed by the lab in New Mexico that procedures were not followed when shipping small amounts of “special nuclear material” to facilities in California and South Carolina.

The material had been packaged for ground transport. But instead it was shipped via a commercial air cargo service, which isn’t allowed under U.S. regulations.

Tests done on the shipments once they arrived at their destinations confirmed no contamination or loss of radioactive material, officials said. But it comes as criticism has been intensifying over the history of safety lapses at Los Alamos as work ramps up to produce key components for the nation’s nuclear weapons cache.

“This failure to follow established procedures is absolutely unacceptable,” Frank Klotz, head of the National Nuclear Security Administration, said in a statement.

The agency oversees the lab and other facilities that make up the U.S. nuclear complex. Contractors who manage the labs, production plants and waste repositories are required to rigorously adhere to what Klotz called the highest safety and security standards as part of their national security work.

Once the investigation of the shipments is complete, the agency said any responsible parties will be held accountable.

Los Alamos officials declined to comment and referred questions to the National Nuclear Safety Administration.

Home to some of the nation’s top nuclear scientists and other researchers, Los Alamos has struggled for years to address management and oversight issues along with more recent safety concerns about the handling of radioactive waste and plutonium.

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