10 CFR 39.47 - Radioactive markers.

§ 39.47 Radioactive markers.
The licensee may use radioactive markers in wells only if the individual markers contain quantities of licensed material not exceeding the quantities specified in § 30.71 of this chapter. The use of markers is subject only to the requirements of § 39.37.

Title 10 published on 2014-01-01

no entries appear in the Federal Register after this date.