Leak testing of sealed sources.
CFR · 2024-01-01 · US · Title 10
(a) (b) (c) (2) Each ECS that is not exempt from testing in accordance with paragraph (e) of this section must be tested at intervals not to exceed 3 years. In the absence of a certificate from a transferor that a test has been made within the 3 years before the transfer, the ECS may not be used until tested. (d) (2) The licensee shall submit a report to the appropriate NRC Regional Office listed in appendix D of part 20 of this chapter, within 5 days of receiving the test results. The report must describe (e) (1) Hydrogen-3 (tritium) sources; (2) Sources containing licensed material with a half-life of 30 days or less; (3) Sealed sources containing licensed material in gaseous form; (4) Sources of beta- or gamma-emitting radioactive material with an activity of 3.7 MBq [100 microcuries] or less; and (5) Sources of alpha- or neutron-emitting radioactive material with an activity of 0.37 MBq [10 microcuries] or less.
official document · source cfr-2024 · id 10:§ 39.35