10 CFR 39.53
§ 39.53 Energy compensation source.
United States · 10 CFR — Energy · Status: effective
Cite this
- Citation
- 10 CFR 39.53, § 39.53 Energy compensation source, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/37161
- Permanent ID
ys:prov:37161@1- SHA-256
3d8b32dde12f206578204caa90bebf2b152a92f57f967cf6d494a9366586cda9
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
The licensee may use an energy compensation source (ECS) which is contained within a logging tool, or other tool components, only if the ECS contains quantities of licensed material not exceeding 3.7 MBq [100 microcuries].
(a) For well logging applications with a surface casing for protecting fresh water aquifers, use of the ECS is only subject to the requirements of §§ 39.35, 39.37 and 39.39.
(b) For well logging applications without a surface casing for protecting fresh water aquifers, use of the ECS is only subject to the requirements of §§ 39.15, 39.35, 39.37, 39.39, 39.51, and 39.77.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.