10 C.F.R. § 39.47 Radioactive markers.
Title 10 - Energy
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: Energy
PART 39—LICENSES AND RADIATION SAFETY REQUIREMENTS FOR WELL LOGGING
Subpart C—Equipment
§ 39.47 Radioactive markers.
