WAC 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 .