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Nuclear Regulatory Commission.
The U.S. Nuclear Regulatory Commission (NRC) is considering amending Special Nuclear Material (SNM) License No. SNM-2011, issued on April 13, 2007, to American Centrifuge Operating, LLC (ACO) for the operation of the American Centrifuge Plant (ACP). The NRC is considering extending authorization of the high-assay, low-enriched uranium (HALEU) demonstration program operations to continue through June 30, 2034, along with a possession limit increase to support the U.S. Department of Energy (DOE) and ACO contract production milestone of 900 kilograms of HALEU per year. In the event of an extension of ACO's HALEU contract with the DOE, potentially the authorization would be extended through the revised contract period. For this proposed action, the NRC staff is issuing an environmental assessment (EA) and a finding of no significant impact (FONSI).
The EA and FONSI referenced in this document are available on June 24, 2025.
Please refer to Docket ID NRC-2025-0059 when contacting the NRC about the availability of information regarding this document. You may obtain publicly available information related to this document using any of the following methods:
- Federal Rulemaking website: Go to https://www.regulations.gov and search for Docket ID NRC-2025-0059. Address questions about Docket IDs in Regulations.gov to Bridget Curran; telephone: 301-415-1003; email: [email protected]. For technical questions, contact the individual listed in the “For Further Information Contact” section of this document.
- NRC's Agencywide Documents Access and Management System (ADAMS): You may obtain publicly available documents online in the ADAMS Public Documents collection at https://www.nrc.gov/reading-rm/adams.html. To begin the search, select “Begin Web-based ADAMS 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 [email protected]. For the convenience of the reader, instructions about obtaining materials referenced in this document are provided in the “Availability of Documents” section.
- 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 [email protected] 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.
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