Minn. R. agency 144, ch. 4731, STANDARDS FOR PROTECTION AGAINST RADIATION, pt. 4731.2510

Current through Register Vol. 49, No. 17, October 21, 2024

Part 4731.2510 - RECORDS; SURVEYS

Subpart 1.Record maintenance; three years.

A licensee must maintain records showing the results of surveys and calibrations required under parts 4731.2200 and 4731.2350, subpart 2, for three years after the record is made. The record must include:

A. the date of the measurements;

B. the manufacturer's name, model number, and serial number for the instrument used to measure radiation or contamination levels;

C. the radiation or contamination level; and

D. the name or initials of the individual who performed the surveys or calibrations.

Subp. 2.Record maintenance; license termination.

A licensee must retain the following records until the commissioner terminates each pertinent license requiring the record:

A. records of the results of surveys to determine the dose from external sources and used, in the absence of or in combination with individual monitoring data, in the assessment of the individual dose equivalents. This includes those records of results of surveys to determine the dose from external sources and used, in the absence of or in combination with individual monitoring data, in the assessment of individual dose equivalents required under the standards for protection against radiation in effect prior to January 1, 1994;

B. records of the results of measurements and calculations used to determine individual intakes of radioactive material and used in the assessment of internal dose. This includes those records of the results of measurements and calculations used to determine individual intakes of radioactive material and used in the assessment of internal dose required under the standards for protection against radiation in effect prior to January 1, 1994;

C. records showing the results of air sampling, surveys, and bioassays required under part 4731.2260, subpart 4, items A and B. This includes those records showing the results of air sampling, surveys, and bioassays required under the standards for protection against radiation in effect prior to January 1, 1994; and

D. records of the results of measurements and calculations used to evaluate the release of radioactive effluents to the environment. This includes the records of the results of measurements and calculations used to evaluate the release of radioactive effluents to the environment required under the standards for protection against radiation in effect before January 1, 1994.

Subp. 3.Instrument identification.

To satisfy the requirements in subpart 1, item B, licensees may assign a unique identification to an instrument provided:

A. the manufacturer's name, model number, and serial number for each instrument is maintained and available for inspection by the department; and

B. the unique identification is indicated on each instrument.

Minn. R. agency 144, ch. 4731, STANDARDS FOR PROTECTION AGAINST RADIATION, pt. 4731.2510

29 SR 755; 33 SR 1440; 36 SR 74

Statutory Authority: MS s 144.1202; 144.1203