# List of Approved Spent Fuel Storage Casks: NAC International, Inc. MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment No. 13
> **Nuclear Regulatory Commission** · Direct final rule. · Published 2024-09-05 · Effective 2024-11-19 · 89 FR 72299
## Document
- **Document number:** 2024-19894
- **Category:** nuclear-waste
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 89 FR 72299
- **CFR reference:** 10 CFR 72
- **Publication date:** 2024-09-05
- **Effective date:** 2024-11-19
- **Energy docket:** NRC-2024-0120
## Abstract

The U.S. Nuclear Regulatory Commission (NRC) is amending its spent fuel storage regulations by revising the NAC International, Inc. MAGNASTOR[supreg] Storage System listing within the "List of approved spent fuel storage casks" to include Amendment No. 13 to Certificate of Compliance No. 1031. Amendment No. 13 revises the certificate of compliance to add a new type of radioactive contents to be stored inside the MAGNASTOR[supreg] transportable storage canister, add a new design configuration for the canister to accommodate the fuel bearing material and new canister components, and use an alternate compressive strength for concrete cask no. 6 of 6,000 psi.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2024/09/05/2024-19894/list-of-approved-spent-fuel-storage-casks-nac-international-inc-magnastor-storage-system-certificate)
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