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Minnesota Administrative Rules

4731.4509 MOLYBDENUM-99, STRONTIUM-82, and STRONTIUM-85 CONCENTRATION RECORDS.

A licensee must maintain a record of the molybdenum-99 concentration or strontium-82 and strontium-85 concentration tests required under part 4731.4435, item B, for three years. The record must include:

A.

for each measured elution of technetium-99m:

(1)

the ratio of the measures expressed as microcuries of molybdenum per millicurie of technetium-99m, (or kilobecquerel of molybdenum-99 per megabecquerel of technetium-99m);

(2)

the time and date of the measurement; and

(3)

the name of the individual who made the measurement; and

B.

for each measured elution of rubidium-82:

(1)

the ratio of the measures expressed as microcuries of strontium-82 per millicurie of rubidium-82 (or kBq of strontium-82 per MBq or rubidium-82), and microcuries of strontium-85 per millicurie of rubidium-82 (or kBq of strontium-85 per MBq or rubidium-82);

(2)

the time and date of the measurement; and

(3)

the name of the individual who made the measurement.

Statutory Authority:

MS s 144.1202; 144.1203

History:

29 SR 755; 33 SR 1440

Published Electronically:

March 12, 2009

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