July 21, 2025

Two nuclear vendors combine as RSI buys Sigma Science

By ExchangeMonitor
RSI EnTech, based in Oak Ridge, Tenn., has acquired Albuquerque-based Sigma Science, another well-known small contractor with the Department of Energy nuclear complex, the companies announced Friday.  RSI EnTech, which is part of Arctic Slope Regional Corporation…
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NEW: Via public records request, I’ve been able to confirm reporting today that a warrant has been issued for DOE deputy asst. secretary of spent fuel and waste disposition Sam Brinton for another luggage theft, this time at Las Vegas’s Harry Reid airport. (cc: @EMPublications)

DOE spent fuel lead Brinton accused of second luggage theft.



by @BenjaminSWeiss, confirming today's reports with warrant from Las Vegas Metro PD.

Waste has been Emplaced! 🚮

We have finally begun emplacing defense-related transuranic (TRU) waste in Panel 8 of #WIPP.

Read more about the waste emplacement here: https://wipp.energy.gov/wipp_news_20221123-2.asp

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