PDFWAC 246-240-602
Records of decay of strontium-90 sources for ophthalmic treatments.
(1) A licensee shall maintain a record of the activity of a strontium-90 source required by WAC 246-240-272 for the life of the source.
(2) The record must include:
(a) The date and initial activity of the source as determined under WAC 246-240-269; and
(b) For each decay calculation, the date and the source activity as determined under WAC 246-240-272.
[Statutory Authority: RCW 70.98.050. WSR 06-05-019, ยง 246-240-602, filed 2/6/06, effective 3/9/06.]