1. (1) Use of a tritium neutron generator target source, containing quantities not exceeding 30 curies (1,110 MBq) and in a well with a surface casing to protect fresh water aquifers, is subject to the requirements of this chapter except Rules 0400-20-12-.06, -.12, and -.26.
2. (2) Use of a tritium neutron generator target source, containing quantities exceeding 30 curies (1,110 MBq) or in a well without a surface casing to protect fresh water aquifers, is subject to the requirements of this chapter except Rule 0400-20-12-.12.

Authority: T.C.A. §§ 4-5-201, et seq.; 68-202-101, et seq.; and 68-202-201, et seq. Administrative History: Original rule filed February 22, 2012; effective May 22, 2012.