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

CFR · 2024-01-01 · US · Title 10

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.

official document · source cfr-2024 · id 10:§ 39.51