10 C.F.R. § 39.51 Use of a sealed source in a well without a surface casing.
Title 10 - Energy
The licensee may use a sealed source in a well without a surface casing for protecting fresh water aquifers only if the licensee follows a procedure for reducing the probability of the source becoming lodged in the well. The procedure must be approved by the Commission pursuant to §39.13(c) or by an Agreement State.
Title 10: Energy
PART 39—LICENSES AND RADIATION SAFETY REQUIREMENTS FOR WELL LOGGING
Subpart C—Equipment
§ 39.51 Use of a sealed source in a well without a surface casing.
