The licensee may use a uranium sinker bar in well logging only if it is legibly impressed with the words "CAUTION - RADIOACTIVE - DEPLETED URANIUM" and "NOTIFY CIVIL AUTHORITIES (or COMPANY NAME) IF FOUND."
Tenn. Comp. R. & Regs. 0400-20-12-.16
Authority: T.C.A. §§ 68-202-101 et seq., and 4-5-201 et seq.