# In Situ Recovery Monitoring and Decommissioning Timeliness

**Action Urgency Score:** 20/100

| Field | Value |
|---|---|
| Agency | Nuclear Regulatory Commission |
| Type | Proposed rule |
| Action | Proposed rule and draft guidance; request for comment. |
| Published | 2026-09-10 |
| Comments close | 2026-10-13 |
| Significant | No |
| CFR parts | 10 CFR 30, 10 CFR 40, 10 CFR 50, 10 CFR 52, 10 CFR 53 |
| Summary | The U.S. Nuclear Regulatory Commission (NRC) proposes to amend its regulations that govern the licensing of uranium mills and the disposition of tailings and waste that arise from the extraction and milling of uranium by issuing risk-informed requirements for groundwater protection at uranium in situ recovery (ISR) facilities. The NRC's current regulations are focused on conventional uranium milling and do not expressly address uranium extraction by the ISR process. Additionally, NRC proposes to amend its regulations that govern decommissioning timeliness for all licensees to provide additiona |
| Document number | 2026-18504 |

## Why this score


Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/09/10/2026-18504/in-situ-recovery-monitoring-and-decommissioning-timeliness). 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.