# List of Approved Spent Fuel Storage Casks: TN Americas, LLC: Standardized NUHOMS® Horizontal Modular Storage System for Irradiated Nuclear Fuel, Certificate of Compliance No. 1004, Renewed Amendment No. 19

**Action Urgency Score:** 65/100

| Field | Value |
|---|---|
| Agency | Nuclear Regulatory Commission |
| Type | Final rule |
| Action | Direct final rule; confirmation of effective date. |
| Published | 2026-11-03 |
| Effective | 2026-11-09 |
| Significant | No |
| CFR parts | 10 CFR 72 |
| Summary | The U.S. Nuclear Regulatory Commission (NRC) is confirming the effective date of November 9, 2026, for the direct final rule that was published in the Federal Register on August 26, 2026. This direct final rule amended the TN Americas, LLC Standardized NUHOMS[supreg] Horizontal Modular Storage System for Irradiated Nuclear Fuel listing within the "List of approved spent fuel storage casks" to include Amendment No. 19 to Certificate of Compliance No. 1004. Amendment No. 19 revises the certificate of compliance to provide for a 61BTH improved basket design using staggered plates similar the 24PT |
| Document number | 2026-22421 |

## Why this score
- Effective date within 30 days.
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/11/03/2026-22421/list-of-approved-spent-fuel-storage-casks-tn-americas-llc-standardized-nuhoms-horizontal-modular). Last refreshed: 2026-11-04T09:17:43.641Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.