# List of Approved Spent Fuel Storage Casks: Holtec International HI-STORM UMAX Canister Storage System, Certificate of Compliance No. 1040, Revision 1 to Amendment Nos. 0 Through 2
> **Nuclear Regulatory Commission** · Direct final rule. · Published 2025-02-04 · Effective 2025-04-21 · 90 FR 8861
## Document
- **Document number:** 2025-02208
- **Category:** nuclear-waste
- **Sub-agency:** Nuclear Regulatory Commission
- **Federal Register citation:** 90 FR 8861
- **CFR reference:** 10 CFR 72
- **Publication date:** 2025-02-04
- **Effective date:** 2025-04-21
- **Energy docket:** NRC-2024-0182
## Abstract

The U.S. Nuclear Regulatory Commission (NRC) is amending its spent fuel storage regulations by revising the Holtec International HI- STORM UMAX Canister Storage System listing within the "List of approved spent fuel storage casks" to include Revision 1 to Amendment Nos. 0 through 2 to Certificate of Compliance (CoC) No. 1040. Revision 1 to Amendment Nos. 0 through 2 updates the CoC appendix A technical specifications for radiation protection and the associated bases information to clearly articulate the basis for the dose rate limits for the closure lids, modify the dose rate limit values and the description of the location of the dose rate measurements, and make other editorial changes.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/02/04/2025-02208/list-of-approved-spent-fuel-storage-casks-holtec-international-hi-storm-umax-canister-storage-system)
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