United States Nuclear Regulatory Commission - Protecting People and the Environment

Technical Evaluation Report on the Content of the U.S. Department of Energy’s Yucca Mountain Repository License Application – Preclosure Volume: Repository Safety Before Permanent Closure (NUREG-2108)

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Publication Information

Manuscript Completed: August 2011
Date Published: September 2011

Office of Nuclear Material Safety and Safeguards
U.S. Nuclear Regulatory Commission
Office of Nuclear Reactor Regulation
Washington, DC 20555-0001

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Abstract

This "Technical Evaluation Report on the Content of the U.S. Department of Energy's Yucca Mountain Repository License Application—Preclosure Volume: Repository Safety Before Permanent Closure" presents the U.S. Nuclear Regulatory Commission (NRC) staff's review of the preclosure design and operations that the U.S. Department of Energy (DOE) described and provided in its Safety Analysis Report (SAR), dated June 3, 2008, as updated on February 19, 2009. The NRC staff also reviewed information DOE provided in response to NRC staff's requests for additional information and other information that DOE provided related to the SAR. In particular, this report provides information on the NRC staff's evaluation of (i) Site Description as it Pertains to Preclosure Safety Analysis; (ii) Description of Structures, Systems, Components, Equipment, and Operational Process Activities; (iii) Identification of Hazards and Initiating Events; (iv) Identification of Event Sequences; (v) Consequence Analyses; (vi) Identification of Structures, Systems, and Components Important to Safety, Safety Controls, and Measures to Ensure Availability of the Safety Systems; (vii) Design of Structures, Systems, and Components Important to Safety and Safety Controls; (viii) As Low As Reasonably Achievable for Category 1 Sequences; (ix) Plans for Retrieval and Alternate Storage of Radioactive Wastes; and (x) Permanent Closure and Decontamination, or Decontamination and Dismantlement (PCDDD) of Surface Facilities.

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