Current through Register Vol. 49, No. 13, September 23, 2024
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.
Statutory Authority: MS s
144.1202;
144.1203
