§ 39.49 Uranium sinker bars.
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]
Page Last Reviewed/Updated Tuesday, August 29, 2017