Each licensee and registrant shall maintain records of the calibrations of its radiation survey instruments that are required under E.8 and retain each record for three years after the calibration date.
10-144 C.M.R. ch. 220, § E-E-28
Each licensee and registrant shall maintain records of the calibrations of its radiation survey instruments that are required under E.8 and retain each record for three years after the calibration date.
10-144 C.M.R. ch. 220, § E-E-28