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Fusion Science and Technology
August 2026
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NRC issues draft EA/FONSI for Duane Arnold restart
Efforts by NextEra Energy to restart the Duane Arnold nuclear power plant as early as 2029 continue to move forward with the Nuclear Regulatory Commission's preliminary environmental assessment and determination that the restart would have no significant environmental impacts.
On Thursday, the NRC posted a draft environmental assessment and a finding of no significant impact for the Palo, Iowa, facility; the Federal Register notice was published on Monday. The Department of Energy’s Office of Energy Dominance Financing is a cooperating agency on the draft EA, as the DOE is considering providing financial assistance to the restart project.
I.P. Maksimkin, А.А. Yukhimchuk, I.Ye. Boitsov, I.L. Malkov, R.К. Musyaev, А.Yu. Baurin, Е.V. Shevnin, А.V. Vertey
Fusion Science and Technology | Volume 67 | Number 2 | March 2015 | Pages 459-462
Proceedings of TRITIUM 2013 | doi.org/10.13182/FST14-T54
Articles are hosted by Taylor and Francis Online.
The paper presents research results of permeability of hydrogen isotopes through CrNi35WTiAl alloy containing radiogenic helium, and results of hydrogen and radiogenic helium impact on mechanical properties of this alloy. The impact of hydrogen and radiogenic helium on mechanical properties of CrNi35WTiAl alloy was determined by tensile tests of cylindrical samples in inert and hydrogen atmospheres. For this research samples with various concentrations of 3He (90, 230 and 560 appm) were prepared. The buildup of 3He has been fulfilled using the “tritium trick” technique. Maximal influencing of hydrogen and radiogenic helium on mechanical properties of CrNi35WTiAl was observed at 873 K on samples with 560 appm of 3He. Testing of permeability of hydrogen isotopes was made in temperature range from 723 to 973 K.
