[Federal Register Volume 71, Number 189 (Friday, September 29, 2006)]
[Notices]
[Pages 57584-57585]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: E6-16018]


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NUCLEAR REGULATORY COMMISSION


Notice of Availability of Draft Interim Staff Guidance Document 
HLWRS-ISG-02, Preclosure Safety Analysis--Level of Information and 
Reliability Estimation

AGENCY: Nuclear Regulatory Commission.

ACTION: Notice of availability.

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FOR FURTHER INFORMATION CONTACT: Jon Chen, Project Manager, Project 
Management Section B, Division of High-Level Waste Repository Safety, 
Office of Nuclear Material Safety and Safeguards, U.S. Nuclear 
Regulatory Commission, Washington, DC 20005-0001. Telephone: (301) 415-
5526; fax number: (301) 415-5399; e-mail: [email protected].

SUPPLEMENTARY INFORMATION:

I. Introduction

    The Yucca Mountain Review Plan (YMRP) (July 2003, NUREG-1804, 
Revision 2) provides guidance for U.S. Nuclear Regulatory Commission 
(NRC) staff to evaluate a U.S. Department of Energy license application 
for a geologic repository. NRC has prepared Interim Staff Guidance 
(ISG) to provide clarifications or refinements to the guidance provided 
in the YMRP. NRC is soliciting public comments on Draft HLWRS-ISG-02, 
which will be considered in the final version or subsequent revisions 
to HLWRS-ISG-02.

II. Summary

    The purpose of this notice is to provide the public with an 
opportunity to review and comment on draft HLWRS-ISG-02, which is to 
supplement the YMRP for the NRC staff review of design and operation 
information and reliability estimates required for the preclosure 
safety analysis. This ISG supplements sections 2.1.1, 2.1.1.2, 2.1.1.4, 
2.1.1.6, and 2.1.1.7 of the YMRP. This guidance also provides examples 
that illustrate commonly used approaches for estimating reliability and 
the level and types of supporting design and operation information that 
would be necessary for structures, systems, and components (SSCs) at 
the geologic repository operations area. A sufficient level of 
information and adequate technical bases for reliability estimates are 
needed to demonstrate compliance with the performance objectives in 
Code of Federal Regulations, Title 10, Part 63, Section 63.111 (10 CFR 
63.111).

[[Page 57585]]

III. Further Information

    The documents related to this action are available electronically 
at NRC's Electronic Reading Room, at http://www.nrc.gov/reading-rm/adams.html. From this site, a member of the public can access NRC's 
Agencywide Documents Access and Management System (ADAMS), which 
provides text and image files of NRC's public documents. The ADAMS 
accession numbers for the documents related to this notice are provided 
in the following table. If an individual does not have access to ADAMS 
or if there are problems in accessing the documents located in ADAMS, 
contact the NRC Public Document Room Reference (PDR) staff at 1-800-
397-4209 or (301) 415-4737, or by e-mail, at [email protected].

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                  ISG                         ADAMS accession number
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Draft HLWRS-ISG-02, ``Preclosure Safety  ML062360241
 Anaylsis--Level of Information and
 Reliability Estimation''.
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    These documents may also be viewed electronically on the public 
computers located at NRC's PDR, O-1F21, One White Flint North, 11555 
Rockville Pike, Rockville, MD 20852. The PDR reproduction contractor 
will copy documents, for a fee. Comments and questions on draft HLWRS-
ISG-02 should be directed to the NRC contact listed below by November 
13, 2006. Comments received after this date will be considered if it is 
practical to do so, but assurance of consideration cannot be given to 
comments received after this date.
    Contact: Robert Johnson, Project Manager, Licensing and Inspection 
Directorate, High-Level Waste Repository Safety Division of the Office 
of Nuclear Material Safety and Safeguards, U.S. Nuclear Regulatory 
Commission, Washington, DC 20005-0001. Comments can also be submitted 
by telephone, fax, or e-mail, which are as follows: telephone: (301) 
415-6900; fax number: (301) 415-5399; or e-mail: [email protected].

    Dated at Rockville, Maryland, this 25th day of September 2006.

    For the Nuclear Regulatory Commission.
N. King Stablein,
Chief, Project Management Section B, Division of High-Level Waste 
Repository Safety, Office of Nuclear Material Safety and Safeguards.
 [FR Doc. E6-16018 Filed 9-28-06; 8:45 am]
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