# List of Approved Spent Fuel Storage Casks: NAC International, Inc., MAGNASTOR® System; Certificate of Compliance No. 1031, Amendment No. 5
> **Nuclear Regulatory Commission** · Direct final rule. · Published 2015-04-15 · Effective 2015-06-29 · 80 FR 20149
## Document
- **Document number:** 2015-08679
- **Category:** nuclear-waste
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 80 FR 20149
- **CFR reference:** 10 CFR 72
- **Publication date:** 2015-04-15
- **Effective date:** 2015-06-29
- **Energy docket:** NRC-2014-0261
## Abstract

The U.S. Nuclear Regulatory Commission (NRC) is amending its spent fuel storage regulations by revising the NAC International, Inc., MAGNASTOR[supreg] System listing within the "List of approved spent fuel storage casks" to include Amendment No. 5 to Certificate of Compliance (CoC) No. 1031. Amendment No. 5 makes numerous changes to the Technical Specifications (TSs) including adding a new damaged fuel assembly, revising the maximum or minimum enrichments for three fuel assembly designs, adding four-zone preferential loading for pressurized-water reactor fuel assemblies and increasing the maximum dose rates in limiting condition for operation (LCO) 3.3.1, and other editorial changes to Appendices A and B of the TSs.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2015/04/15/2015-08679/list-of-approved-spent-fuel-storage-casks-nac-international-inc-magnastor-system-certificate-of)
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