Use of a Sealed Source in a Well Without Surface Casing

Section 351.510  Use of a Sealed Source in a Well Without 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 sealed source becoming lodged in the well.  The procedure shall be approved by the Agency pursuant to Section 351.130(c) or by the U.S. Nuclear Regulatory Commission or an Agreement State.