Records of decay of strontium-90 sources for ophthalmic treatments.
10 C.F.R. § 35.2433
in effectEffective: 2024-07-01(a) A licensee shall maintain a record of the activity of a strontium-90 source required by § 35.433 for the life of the source.
(b) The record must include—
(1) The date and initial activity of the source as determined under § 35.432; and
(2) For each decay calculation, the date and the source activity as determined under § 35.433.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-10.xmlFetched: 7/26/2026
