105 CMR 120.310
Records of Receipt, Transfer, and Disposal of Sources of Radiation
Each licensee and registrant shall maintain records showing the receipt, transfer, and disposal
of sources of radiation. These records shall include the date, the individual making the record,
the radionuclide, number of curies, and make, model, and serial number of each source of
radiation and device, as appropriate. Records shall be maintained for Agency inspection until
disposal is authorized by the Agency.