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Energia e ambiente · 24/11/19971 min de leitura

Management of Radioactive Material Safety Programs at Medical Facilities: Availability of NUREG

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Resumo

The U. S. Nuclear Regulatory Commission is announcing the availability of NUREG-1516: ``Management of Radioactive Material Safety Programs at Medical Facilities,'' dated May 1997.

Idioma original da fonte: Federal Register — Nuclear Regulatory CommissionAbrir o comunicado original →

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Energia e ambiente · 10/09/2026

In Situ Recovery Monitoring and Decommissioning Timeliness

The U.S. Nuclear Regulatory Commission (NRC) proposes to amend its regulations that govern the licensing of uranium mills and the disposition of tailings and waste that arise from the extraction and milling of uranium by issuing risk-informed requirements for groundwater protection at uranium in situ recovery (ISR) facilities. The NRC's current regulations are focused on conventional uranium milling and do not expressly address uranium extraction by the ISR process. Additionally, NRC proposes to amend its regulations that govern decommissioning timeliness for all licensees to provide additional flexibility for licensees to delay the initiation of decommissioning activities in situations where safety would not be impacted.

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Energia e ambiente · 01/09/2026

Perma-Fix Northwest Richland, Inc.; Export License Amendment Application

The U.S. Nuclear Regulatory Commission (NRC) is considering approval of an export application, received on June 17, 2026, from Perma-Fix Northwest Richland, Inc. (Perma-Fix). In the application, Perma-Fix seeks to amend and renew existing license, XW025, authorizing the export of radioactive waste to Italy. The NRC is providing notice of the opportunity to comment, request a hearing, and petition for leave to intervene on Perma-Fix's application. This action will renew the existing export license for an additional 5 years to expire on May 31, 2031, and amend the existing export license to increase the total volume of waste from 10,000 kilograms (Kgs) to 30,000 Kgs. kilograms.

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Energia e ambiente · 28/08/2026

Southern Nuclear Operating Company; Vogtle Electric Generating Plant Units 1 & 2; Independent Spent Fuel Storage Installation; Exemption

The U.S. Nuclear Regulatory Commission (NRC) has issued a one- time exemption to Southern Nuclear Operating Company (SNC), authorizing Vogtle Electric Generating Plant Units 1 and 2 (Vogtle 1 and 2) to retain a single Neutron Source Assembly (NSA) in its current storage cell within a multi-purpose canister ((MPC-32), serial number MPC-707) at the Vogtle Independent Spent Fuel Storage Installation, in a manner that is inconsistent with the loading restrictions specified in Certificate of Compliance (CoC) No. 1014, Amendment 11, for the HI- STORM 100S Version B dry storage system. The exemption allows the NSA to remain in a peripheral basket cell, contrary to Appendix B, Table 2.1-1, which restricts NSA containing assemblies to designated interior cells. The NRC's determination is based on SNC's safety evaluation and supporting analyses demonstrating that the configuration continues to meet applicable safety requirements for criticality control, shielding, thermal performance, structural integrity, and confinement.

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Energia e ambiente · 28/08/2026

SMR, LLC; Palisades SMR, LLC; Pioneer Units 1 and 2; Exemption

The U.S. Nuclear Regulatory Commission (NRC) has issued an exemption in response to a request dated December 31, 2025, from SMR, LLC, on behalf of Palisades SMR, LLC, a wholly-owned subsidiary of Holtec International (collectively, Holtec) for approval to allow construction of permanent support of excavation walls prior to the issuance of a limited work authorization for Pioneer Units 1 and 2. The support of excavation walls will remain in place after construction is complete.

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Energia e ambiente · 28/08/2026

UniTech Services Group LLC; Export License Renewal Application

The U.S. Nuclear Regulatory Commission (NRC) is considering approval of an export application received on April 9, 2026, from UniTech Services Group LLC (UniTech). In the application, UniTech seeks to renew an existing license, XW023/01, authorizing the export of radioactive waste to Canada. The NRC is providing notice of the opportunity to comment, request a hearing, and petition for leave to intervene on UniTech's application. This action will renew the existing export license for an additional 10 years to expire on April 30, 2036.

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Energia e ambiente · 26/08/2026

List of Approved Spent Fuel Storage Casks: TN Americas, LLC Standardized NUHOMS® Horizontal Modular Storage System for Irradiated Nuclear Fuel, Certificate of Compliance No. 1004, Renewed Amendment No. 19

The U.S. Nuclear Regulatory Commission (NRC) is amending its spent fuel storage regulations by revising the TN Americas, LLC Standardized NUHOMS[supreg] Horizontal Modular Storage System for Irradiated Nuclear Fuel listing within the "List of approved spent fuel storage casks" to include Amendment No. 19 to Certificate of Compliance (CoC) No. 1004. Amendment No. 19 revises the certificate of compliance to provide for a 61BTH improved basket design using staggered plates similar the 24PTH Type 3 basket approved in CoC 1004 Amendment 18 and similar to the EOS 37PTH and 89BTH baskets approved in CoC 1042. This will simplify construction, reduce weight and improve fabricability. Additional changes are proposed to address editorial corrections, consistency, and terminology clarifications. The NRC is referring to this amendment as "Renewed Amendment No. 19" because it was submitted after the renewal of the TN Americas, LLC Standardized NUHOMS Horizontal Modular Storage System for Irradiated Nuclear Fuel Certificate of Compliance No. 1004 and, therefore, subject to the Aging Management Program requirements of the renewed certificate.

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