Each licensee or registrant shall maintain records of the calibrations of its radiation survey instruments that are required under 105 CMR 120.314 and retain each record for three years after it is made.
105 CMR, § 120.362
Each licensee or registrant shall maintain records of the calibrations of its radiation survey instruments that are required under 105 CMR 120.314 and retain each record for three years after it is made.
105 CMR, § 120.362