Notice2026-01704
Atomic Alchemy Operators LLC; VIPR Idaho LLC; Construction Permit Application
Primary source
Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.
Published
January 28, 2026
Issuing agencies
Nuclear Regulatory Commission
Abstract
The U.S. Nuclear Regulatory Commission (NRC) has granted a request by Atomic Alchemy Inc., on behalf of Atomic Alchemy Operators LLC and VIPR Idaho LLC, to withdraw its construction permit application. The construction permit application was for a four-unit, non-power, light-water-cooled, pool-type Versatile Isotope Production Reactor facility to be located at the Idaho National Laboratory desert site, in Bingham County, Idaho.
Full Text
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<title>Federal Register, Volume 91 Issue 18 (Wednesday, January 28, 2026)</title>
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[Federal Register Volume 91, Number 18 (Wednesday, January 28, 2026)]
[Notices]
[Pages 3739-3740]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2026-01704]
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NUCLEAR REGULATORY COMMISSION
[Docket No. 99902080; NRC-2025-1171]
Atomic Alchemy Operators LLC; VIPR Idaho LLC; Construction Permit
Application
AGENCY: Nuclear Regulatory Commission.
ACTION: Notice; withdrawal by applicant.
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SUMMARY: The U.S. Nuclear Regulatory Commission (NRC) has granted a
request by Atomic Alchemy Inc., on behalf of Atomic Alchemy Operators
LLC and VIPR Idaho LLC, to withdraw its construction permit
application. The construction permit application was for a four-unit,
non-power, light-water-cooled, pool-type Versatile Isotope Production
Reactor facility to be located at the Idaho National Laboratory desert
site, in Bingham County, Idaho.
DATES: January 28, 2026.
ADDRESSES: Please refer to Docket ID NRC-2025-1171 when contacting the
NRC about the availability of information for this action. You may
obtain publicly available information related to this action by any of
the following methods:
<bullet> Federal Rulemaking website: Go to <a href="https://www.regulations.gov">https://www.regulations.gov</a> and search for Docket ID NRC-2025-1171. Address
questions about Docket IDs in <a href="http://Regulations.gov">Regulations.gov</a> to Bridget Curran;
telephone: 301-415-1003; email: <a href="/cdn-cgi/l/email-protection#83c1f1eae7e4e6f7adc0f6f1f1e2edc3edf1e0ade4ecf5"><span class="__cf_email__" data-cfemail="5614243f32313322781523242437381638243578313920">[email protected]</span></a>. For technical
questions, contact the individual listed in the For Further Information
Contact section of this document.
<bullet> NRC's Agencywide Documents Access and Management System
(ADAMS): You may obtain publicly available documents online in the
ADAMS Public Documents collection at <a href="https://www.nrc.gov/reading-rm/adams.html">https://www.nrc.gov/reading-rm/adams.html</a>. To begin the search, select ``Begin ADAMS Public Search.''
For problems with ADAMS, please contact the NRC's Public Document Room
(PDR) reference staff at 1-800-397-4209, at 301-415-4737, or by email
to <a href="/cdn-cgi/l/email-protection#5d0d190f730f382e32282f3e381d332f3e733a322b"><span class="__cf_email__" data-cfemail="2d7d697f037f485e42585f4e486d435f4e034a425b">[email protected]</span></a>. The ADAMS accession number for each document
referenced (if it is available in ADAMS) is provided the first time
that it is mentioned in this document.
<bullet> NRC's PDR: The PDR, where you may examine and order copies
of publicly available documents, is open by appointment. To make an
appointment to visit the PDR, please send an email to
<a href="/cdn-cgi/l/email-protection#c7978395e995a2b4a8b2b5a4a287a9b5a4e9a0a8b1"><span class="__cf_email__" data-cfemail="4b1b0f1965192e38243e39282e0b253928652c243d">[email protected]</span></a> or call 1-800-397-4209 or 301-415-4737, between 8
a.m. and 4 p.m. eastern time (ET), Monday through Friday, except
Federal holidays.
FOR FURTHER INFORMATION CONTACT: Justin Hudson, Office of Nuclear
Reactor Regulation, U.S. Nuclear Regulatory Commission, Washington, DC
20555-0001; telephone: 301-287-0538; email: <a href="/cdn-cgi/l/email-protection#cc86b9bfb8a5a2e284b9a8bfa3a28ca2beafe2aba3ba"><span class="__cf_email__" data-cfemail="a6ecd3d5d2cfc888eed3c2d5c9c8e6c8d4c588c1c9d0">[email protected]</span></a>.
SUPPLEMENTARY INFORMATION: The NRC has granted a request by Atomic
Alchemy, Inc., on behalf of Atomic Alchemy Operators LLC and VIPR Idaho
LLC, to withdraw its construction permit application dated September
12, 2025. The construction permit application was for a four-unit, non-
power, light-water-cooled, pool-type Versatile Isotope Production
Reactor (VIPR) facility to be located at the Idaho National Laboratory
desert site, in Bingham County, Idaho. On November 28, 2025, the NRC
published in the Federal Register a notice of receipt and availability
(90 FR 54765) of the construction permit application. The construction
permit application and the letter requesting its withdrawal dated
December 19, 2025, are available in ADAMS under Accession Nos.
ML25255A199 (package) and ML25353A630, respectively.
[[Page 3740]]
Dated: January 26, 2026.
For the Nuclear Regulatory Commission.
Jeffrey Rady,
Chief, Non-Power Production and Utilization Facility Licensing Branch,
Division of Advanced Reactors and Non-Power Production and Utilization
Facilities, Office of Nuclear Reactor Regulation.
[FR Doc. 2026-01704 Filed 1-27-26; 8:45 am]
BILLING CODE 7590-01-P
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