Fla. Admin. Code R. 64E-5.6332 (2026)
Decay of Strontium-90 Sources for Ophthalmic Treatments
(1) Only an authorized medical physicist or authorized user qualified to perform procedures described in subsection 64E-5.632(2), F.A.C., shall calculate the activity of each strontium-90 source that is used to determine the treatment times for ophthalmic treatments. The decay must be based on the activity determined under Rule 64E-5.6331, F.A.C.
(2) For each Strontium 90 source the licensee shall retain the following records for the life of the source:
(a) The date and activity of the source as determined under Rule 64E-5.6331, F.A.C.; and,
(b) For each decay calculation, the date and the source activity as determined under Rule 64E-5.6332, F.A.C.
Rulemaking Authority 404.022, 404.051, 404.061, 404.071, 404.081, 404.141 FS. Law Implemented 404.022, 404.051(1), (4), (5), (6), (8), (9), (10), (11), 404.061(2), (3), 404.071(1), 404.081, 404.141 FS. History–New 2-11-10.
SUBPART H
PHOTON EMITTING REMOTE AFTERLOADER UNITS,
TELETHERAPYH UNITS, AND GAMMA STEREOTACTIC RADIOSURGERY UNITS
Effective: 2/11/2010.