NAC News

September 20, 2022
Sigma Science, Inc., and NAC International, Inc., have formed a joint-venture – Sigma-NAC Nuclear Solutions, LLC (SNNS) – under a Small Business Administration (SBA)-approved mentor-protégé agreement. This new SBA-qualifying small business joint-venture combines the strength of two trusted providers in the nuclear industry.

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June 22, 2022
January 25, 2022

Peachtree Corners, GA – January 25, 2022 – NAC International Inc. (NAC) announced the expansion of its consulting capabilities with a new global network of experts specializing in every facet of the nuclear fuel cycle. NAC launched today an interactive webpage which allows users to choose just the right consultant, tailored to their nuclear fuel cycle needs. 

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December 21, 2021

Peachtree Corners, GA, December 21, 2021 – NAC International Inc. (NAC) announced today it has received U.S. Nuclear Regulatory Commission (NRC) certification for the OPTIMUS®-L version of its versatile OPTIMUS® (OPTImal Modular Universal Shipping) transport packaging system. The OPTIMUS-L is now approved under NRC 10 CFR Part 71 with Certificate of Compliance (CoC) USA/9390/B(U)F-96, effective December 16, 2021. This new certificate follows recent licensing approvals under Canadian Nuclear Safety Commission (CNSC) certifications for the OPTIMUS system in Canada, where NAC has delivered systems in support of an important nuclear decommissioning project. 

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September 20, 2021

A contract worker for NAC International, Michael “Shawn” Miller, died while working at the Three Mile Island site on September 10. The incident occurred while unloading a truck and was outside the radiological controlled area, according to the Nuclear Regulatory Commission. The following is a statement from Kent Cole, president and CEO of NAC:

“NAC extends its most sincere condolences to Shawn's family, friends, and colleagues. This is a terrible tragedy and appropriate reviews are going on. It would be premature to make any further comment pending the results of those reviews.” 

September 17, 2021

NAC International congratulates the Interim Storage Partners (ISP) team on successfully obtaining an NRC license for a consolidated interim storage facility for used nuclear fuel. As a project participant, NAC worked to support the licensing of the ISP project and to ensure NAC cask technology is covered under the license for ISP deployment.  For more information in this announcement, please go to the link below:

August 24, 2021
OPTIMUS-H Transport Packaging

NAC International Inc. (NAC) announced that a second model of its versatile OPTIMUS® transport packaging system has received certification from the Canadian Nuclear Safety Commission (CNSC). Known as the OPTIMUS-H version for its capability to accommodate high activity nuclear waste, the system is now approved under CNSC Certificate Number CDN/2098/B(U)F-96 (Rev. 0) effective August 18, 2021.

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June 1, 2021

NAC International is proud to support the American Nuclear Society (ANS) Navigating Nuclear, a fact-based K-12 nuclear science and technology curriculum designed to provide educators with free resources that explore the benefits and misconceptions surrounding nuclear science. ANS teamed up with the Department of Energy Office of Nuclear Energy and Discovery Education to create the program. 

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May 11, 2021

NAC is continually advancing its global supply chain so we can provide defense-in-depth qualified fabrication support to efficiently meet the global demand for high-quality used nuclear fuel dry cask storage (DCS) systems. One of NAC’s trusted suppliers, Doosan Heavy Industries & Construction, detailed their recent supply of vertical concrete casks liners on their website: This announcement by Doosan was related to a portion of NAC’s DCS supply to a U.S. customer.  Doosan is an experienced and proven supplier of nuclear components with an NQA-1 quality program and has a deep resume of large nuclear component fabrication success.

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March 26, 2021
It is with great sadness that we inform you of the passing of one of the members of our senior management team, Jamie Adam.  Jamie passed away peacefully on the evening of Friday, March 19, 2021 due to COVID-19 related complications in Tucson, Arizona.

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