10 CFR 39.47 - Radioactive markers.

Beta! The text on the eCFR tab represents the unofficial eCFR text at ecfr.gov.
§ 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.