# List of Approved Spent Fuel Storage Casks: Standardized NUHOMS®-24P, -52B, -61BT, -32PT, -24PHB, and -24PTH Revision
> **Nuclear Regulatory Commission** · Direct final rule. · Published 2005-05-25 · Effective 2005-08-08 · 70 FR 29931
## Document
- **Document number:** 05-10389
- **Category:** nuclear-waste
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 70 FR 29931
- **CFR reference:** 10 CFR 72
- **Publication date:** 2005-05-25
- **Effective date:** 2005-08-08
## Abstract

The Nuclear Regulatory Commission (NRC) is amending its regulations revising the Transnuclear, Inc., Standardized NUHOMS<SUP>[reg]</SUP> System listing within the "List of approved spent fuel storage casks" to include Amendment No. 8 to Certificate of Compliance Number (CoC No.) 1004. Amendment No. 8 to the Standardized NUHOMS<SUP>[reg]</SUP> System CoC will modify the cask design by adding a new spent fuel storage and transfer system, designated the NUHOMS<SUP>[reg]</SUP>-24PTH System. The NUHOMS<SUP>[reg]</SUP>-24PTH System consists of new or modified components: The -24PTH dry shielded canister (DSC); a new -24PTH DSC basket design; a modified horizontal storage module (HSM), designated the HSM-H; and a modified transfer cask (TC), designated the OS 197FC TC. The NUHOMS<SUP>[reg]</SUP>-24PTH System is designed to store fuel with a maximum average burnup of up to 62 gigawatts-day/metric ton of uranium; maximum average initial enrichment of 5.0 weight percent; minimum cooling time of 3.0 years; and maximum heat load of 40.8 kilowatts per DSC, under a general license.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/05/25/05-10389/list-of-approved-spent-fuel-storage-casks-standardized-nuhoms-24p--52b--61bt--32pt--24phb-and--24pth)
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