10 CFR § 61.29 - Post-closure observation and maintenance.

---
identifier: "/us/cfr/t10/s61.29"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "10 CFR § 61.29 - Post-closure observation and maintenance."
title_number: 10
title_name: "Energy"
section_number: "61.29"
section_name: "Post-closure observation and maintenance."
chapter_name: "NUCLEAR REGULATORY COMMISSION"
part_number: "61"
part_name: "LICENSING REQUIREMENTS FOR LAND DISPOSAL OF RADIOACTIVE WASTE"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Atomic Energy Act of 1954, secs. 53, 57, 62, 63, 65, 81, 161, 181, 182, 183, 223, 234 (42 U.S.C. 2073, 2077, 2092, 2093, 2095, 2111, 2201, 2231, 2232, 2233, 2273, 2282); Energy Reorganization Act of 1974, secs. 201, 206, 211 (42 U.S.C. 5841, 5846, 5851); Low-Level Radioactive Waste Policy Amendments Act of 1985, sec. 2 (42 U.S.C. 2021b); 44 U.S.C. 3504 note."
regulatory_source: "47 FR 57463, Dec. 27, 1982, unless otherwise noted."
cfr_part: "61"
---


# 61.29 Post-closure observation and maintenance.

Following completion of closure authorized in § 61.28, the licensee shall observe, monitor, and carry out necessary maintenance and repairs at the disposal site until the license is transferred by the Commission in accordance with § 61.30. Responsibility for the disposal site must be maintained by the licensee for 5 years. A shorter or longer time period for post-closure observation and maintenance may be established and approved as part of the site closure plan, based on site-specific conditions.