CFR > Title 10 - Energy > CHAPTER I—NUCLEAR REGULATORY COMMISSION > PART 39—LICENSES AND RADIATION SAFETY REQUIREMENTS FOR WELL LOGGING > SUBPART C—Equipment (§39.31 to §39.55) > 39.55—Tritium neutron generator target sources.

39.55—Tritium neutron generator target sources.

(a) Use of a tritium neutron generator target source, containing quantities not exceeding 1,110 GBg [30 curies] and in a well with a surface casing to protect fresh water aquifers, is subject to the requirements of this part except §§ 39.15, 39.41, and 39.77.
(b) Use of a tritium neutron generator target source, containing quantities exceeding 1,110 GBg [30 curies] or in a well without a surface casing to protect fresh water aquifers, is subject to the requirements of this part except § 39.41.

Code of Federal Regulations

[68 FR 75390, Dec. 31, 2003]