Tritium neutron generator target sources.
10 C.F.R. § 39.55
in effectEffective: 2024-07-01(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.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-10.xmlFetched: 7/26/2026
