C.F.R. » Title 10 » CHAPTER I—NUCLEAR REGULATORY COMMISSION › PART 39—LICENSES AND RADIATION SAFETY REQUIREMENTS FOR WELL LOGGING › Subpart C—Equipment

10 C.F.R. § 39.47

Radioactive markers

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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.