10 CFR 35.2433 - Records of decay of strontium-90 sources for ophthalmic treatments.

§ 35.2433 Records of decay of strontium-90 sources for ophthalmic treatments.
(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.

Title 10 published on 2014-01-01

no entries appear in the Federal Register after this date.

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