10 CFR 39.49
§ 39.49 Uranium sinker bars.
United States · 10 CFR — Energy · Status: effective
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- Citation
- 10 CFR 39.49, § 39.49 Uranium sinker bars, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/37159
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Full text
The licensee may use a uranium sinker bar in well logging applications only if it is legibly impressed with the words “CAUTION—RADIOACTIVE-DEPLETED URANIUM” and “NOTIFY CIVIL AUTHORITIES (or COMPANY NAME) IF FOUND.”
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.