List of Approved Spent Fuel Storage Casks: NUHOMS HD System, Revision 1

Docket ID: NRC-2011-0002
Agency: Nuclear Regulatory Commission (NRC)
The direct final rule amends the Commission's regulations by revising the Transnuclear, Inc., NUHOMS® HD System to include Amendment No. 1 to the Certificate of Compliance (CoC). Amendment No. 1 will revise the definitions for Damaged Fuel Assembly and Transfer Operations; add definitions for Fuel Class and Reconstituted Fuel Assembly; add Combustion Engineering 16x16 class fuel assemblies as authorized contents; reduce the minimum off-normal ambient temperature from -20°F to -21°F; expand the authorized contents of the NUHOMS® HD System to include pressurized water reactor fuel assemblies with control components; reduce the minimum initial enrichment of fuel assemblies from 1.5 weight percent uranium-235 to 0.2 weight percent uranium-235; clarify the requirements of reconstituted fuel assemblies; add requirements to qualify metal matrix composite neutron absorbers with integral aluminum cladding; clarify the requirements for neutron absorber tests; delete use of nitrogen for draining the water from the dry shielded canister (DSC), and allow only helium as a cover gas during DSC cavity water removal operations; and make corresponding changes to the technical specifications.
RIN: 3150-AI89
Impacts and Effects: Energy
CFR Citation: 10 CFR 72
Priority: Substantive, Nonsignificant
UA and Regulatory Plan Information open glossary dialog  
Publication Period: Spring 2011
Agenda Stage of Rulemaking: Completed Action
Major Rule: No
Legal Authorities: 42 USC 2201; 42 USC 5841
Legal Deadlines: None
Government Levels Affected: No
Unfunded Mandates: No
Requires Regulatory Flexibility Analysis: No
Small Entities Affected: No
International Impacts: No
Included in Regulatory Plan: No
ActionDateFR Citation
Proposed Rule01/13/201176 FR 2277
Direct Final Rule01/13/201176 FR 2243
Proposed Rule Comment Period End02/14/2011
Confirmation of Effective Date03/09/201176 FR 12825
Direct Final Rule Effective03/29/2011
Docket Details open glossary dialog  
Related RINs: None
Related Dockets: None
Keyword(s): 10 CFR Part 72, spent fuel casks
Type: Rulemaking

Primary Documents

View All  (3)
Comment Period Closed
Feb 14, 2011 11:59 PM ET
Proposed Rule
Posted: 01/13/2011
ID: NRC-2011-0002-0001
Comment Period Closed
Posted: 01/13/2011
ID: NRC-2011-0002-0002

Supporting Documents

View All  (4)
Comments Not Accepted
Supporting & Related Material
Posted: 01/14/2011
ID: NRC-2011-0002-0006
Comments Not Accepted
Supporting & Related Material
Posted: 01/14/2011
ID: NRC-2011-0002-0003
Comments Not Accepted
Supporting & Related Material
Posted: 01/14/2011
ID: NRC-2011-0002-0005


No comments posted.

Comments Received*
Regulatory Timeline
Pre Rule
Current Stage
Proposed Rule
Current Stage
Final Rule
Current Stage
Current Stage
Agency Contact
Gregory Trussell
Office of Federal and State Materials and Environmental Management Programs
Washington, DC 20555-0001
*This count refers to the total comment/submissions received on this docket, as of 11:59 PM yesterday. Note: Agencies review all submissions, however some agencies may choose to redact, or withhold, certain submissions (or portions thereof) such as those containing private or proprietary information, inappropriate language, or duplicate/near duplicate examples of a mass-mail campaign. This can result in discrepancies between this count and those displayed when conducting searches on the Public Submission document type. For specific information about an agency’s public submission policy, refer to its website or the Federal Register document.