Radioactive markers.

CFR · 2024-01-01 · US · Title 10

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.

official document · source cfr-2024 · id 10:§ 39.47