Use of a sealed source in a well without a surface casing.

1. Law
2. CFR 10
3. Energy
4. Nuclear Regulatory Commission
5. Licenses and Radiation Safety Requirements for Well Logging
6. Equipment
7. Use of a sealed source in a well without a surface casing.

§ 39.51 Use of a sealed source in a well without a surface casing.

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.

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