§ 39.49. Uranium sinker bars.
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/us/cfr/t10/s§ 39.49·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
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.” [65 FR 20345, Apr. 17, 2000]