RECORDS AND RETENTION PERIODS

A licensee must maintain the following records at the irradiator for the periods specified: A. a copy of the license, license conditions, documents incorporated into a license by reference, and amendments thereto, until superseded by new documents or until the commissioner terminates the license for documents not superseded; B. records of each individual's training, tests, and safety reviews provided to comply with part 4731.6160 , subparts 1, 2, 3, 5, and 6, for three years after the individual terminates work; C. records of the annual evaluations of the safety performance of irradiator operators required under part 4731.6160 , subpart 4, for three years after the evaluation; D. a copy of the current operating and emergency procedures required under part 4731.6170 , until superseded or the commissioner terminates the license; E. records of the radiation safety officer's review and approval of changes in procedures as required under part 4731.6170 , subpart 3, item C, for three years from the date of the change; F. evaluations of personnel dosimeters required under part 4731.6180 , until the commissioner terminates the license; G. records of radiation surveys required under part 4731.6190 , for three years from the date of the survey; H. records of radiation survey meter calibrations required under part 4731.6190 and pool water conductivity meter calibrations required under part 4731.6220 , item B, for three years from the date of calibration; I. records of the results of leak tests required under part 4731.6200 , subpart 1, and the results of contamination checks required under part 4731.6200 , subpart 2, for three years from the date of each test; J. records of inspection and maintenance checks required under part 4731.6210 , for three years; K. records of major malfunctions, significant defects, operating difficulties or irregularities, and major operating problems that involve required radiation safety equipment, for three years after repairs are completed; L. records of the receipt, transfer, and disposal of all licensed sealed sources as required under parts 4731.3105 and 4731.3115 ; M. records on the design checks required under part 4731.6140 and the construction control checks as required under part 4731.6150 , until the license is terminated. The records must be signed and dated. The title or qualification of the person signing must be included; and N. records relating to decommissioning of the irradiator as required under part 4731.3080 , subpart 7.