Subpart 1.Requirements.A. A person who receives radioactive material pursuant to a license issued under parts 4731.3000 to 4731.6270 must keep records showing the receipt, transfer, and disposal of the radioactive material according to this subpart and part 4731.0210.B. A licensee must retain each record of receipt of radioactive material as long as the material is possessed and for three years following transfer or disposal of the material.C. A licensee who transferred the material must retain each record of transfer for three years after each transfer unless a specific requirement in this chapter dictates otherwise.D. A licensee who disposed of the material must retain each record of disposal of radioactive material until the commissioner terminates each license that authorizes the disposal of the material.Subp. 2.Retention.A. A licensee must retain each record that is required by this part or parts 4731.3200 to 4731.7280 or by license condition for the period specified by the appropriate rule or license condition.B. If a retention period is not otherwise specified by rule or license condition, the record must be retained until the commissioner terminates the license that authorizes the activity that is subject to the record-keeping requirement.C. If there is a conflict between this chapter, a license condition, or other written commissioner approval or authorization pertaining to the retention period for the same type of record, the retention period specified in this chapter applies unless the commissioner, under part 4731.3010, grants a specific exemption from the record retention requirements specified in this chapter.D. Required records must be maintained according to part 4731.0210.Subp. 3.Transfer to commissioner.Prior to license termination, a licensee authorized to possess radioactive material with a half-life greater than 120 days, in an unsealed form, must forward the following records to the commissioner:
A. records of disposal of licensed material made under parts 4731.2410 to 4731.2440, including burials authorized before January 28, 1981; andB. records required under part 4731.2510, subpart 2, item D.Subp. 4.Transfer to new licensee.If licensed activities are transferred or assigned under part 4731.3075, subpart 2, a licensee authorized to possess radioactive material, with a half-life greater than 120 days, in an unsealed form, must transfer the following records to the new licensee and the new licensee is responsible for maintaining the records until the license is terminated:
A. records of disposal of licensed material made under parts 4731.2410 to 4731.2440, including burials authorized before January 28, 1981; andB. records required under part 4731.2510, subpart 2, item D.Subp. 5.Decommissioning records.Prior to license termination, a licensee must forward the records required under part 4731.3080, subpart 7, to the commissioner.
Minn. R. agency 144, ch. 4731, DOMESTIC LICENSING OF RADIOACTIVE MATERIALS, pt. 4731.3115
Statutory Authority: MS s 144.1202; 144.1203