10 CFR 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.
Title 10 published on 2015-12-04.
No entries appear in the Federal Register after this date, for 10 CFR Part 39.