10 C.F.R. § 39.55 Tritium neutron generator target sources.
Title 10 - Energy
(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. [68 FR 75390, Dec. 31, 2003]
Title 10: Energy
PART 39—LICENSES AND RADIATION SAFETY REQUIREMENTS FOR WELL LOGGING
Subpart C—Equipment
§ 39.55 Tritium neutron generator target sources.
