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The SRP for the review of a license application for a fuel cycle facility (NUREG-1520) provides NRC staff guidance for reviewing and evaluating the safety, health, and environmental protection aspects of applications for licenses to possess and use special nuclear material to produce nuclear reactor fuel. In May 2010, the NRC announced the availability of Revision 01 to NUREG-1520 (75 FR 30864), which is also available under ADAMS Accession No. ML101390110. The 2010 SRP revisions improved and enhanced the guidance in specific areas of the licensing program, and added guidance in areas where information was lacking or not suitably addressed. However, the NRC staff recognizes that guidance provided in several technical areas throughout the SRP needs to be further improved. Therefore, the NRC staff is planning to revise NUREG-1520, Revision 01, to provide additional information and clarify guidance on acceptable methods for achieving regulatory compliance with current regulations.
In an SRM dated October 9, 2012 (SRM-SECY-12-0091), the Commission directed the staff to request that the American Nuclear Society (ANS) develop an ISA standard that would improve the quality and completeness of ISAs. The Commission also directed the staff to refrain from revising NUREG-1520 on ISA topics related to the ANS standard until the standard is complete. Rather, the staff should issue ISGs on certain narrow topics needing clarification such as the use of passive design features, bounding assumptions, initial conditions and the completeness of ISA summaries.
The NRC staff proposes to revise the SRP to provide guidance and clarify the discussion in several technical areas,
The NRC staff is planning to revise Chapter 5, “Nuclear Criticality Safety,” to expand its discussion of the double contingency principle and double contingency protection. The discussion will include a description of what constitutes a loss of double contingency. Furthermore, the staff proposes to revise Chapter 11, “Management Measures,” to provide guidance on graded management measures. This guidance will address the selection of IROFS for application of graded management measures.
The NRC staff proposes the addition of two new chapters to the SRP: Chapter 12, “Material Control and Accounting;” and Chapter 13, “Physical Protection.” The purpose of adding these chapters is to more fully address the 10 CFR part 74 requirements for material control and accounting, and the 10 CFR part 73 physical protection requirements that are specifically addressed in § 70.22 for fuel cycle facilities. In Chapters 12 and 13, the staff is planning to reference applicable fuel cycle facility review guidance for 10 CFR part 73 and part 74 including those currently being evaluated under the rulemaking process.
The staff also proposes to revise the SRP to add guidance on the characterization and treatment of natural phenomena events, and their potential impacts on fuel cycle facilities. In addition, the NRC staff expects to incorporate administrative changes throughout the chapters of the SRP. Such administrative changes may include rearrangement of some sections and general streamlining to further improve clarity, reduce redundancy, and to assure that statutory, regulatory, and guidance document references are accurate and up to date.
For the ISG addressing ISA implementation issues, the staff plans to engage stakeholders to ensure common understanding on ISA implementation issues such as the use of passive engineered controls, bounding assumptions, and initial conditions to meet the 10 CFR part 70 requirements. In addition, the staff plans to provide clarification on the completeness of the ISA summaries to ensure that facilities appropriately consider all credible events when developing an ISA.
After consideration of the comments now being solicited, the NRC plans to develop and publish a project plan that establishes timelines and milestones for the SRP revisions and ISG development. The project plan will include additional opportunities for public comment.
The NRC may post additional information related to revising NUREG-1520, including meeting notices, to the Federal rulemaking Web site at
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