Minnesota Administrative Rules

4731.4455 BRACHYTHERAPY; CALIBRATION MEASUREMENTS.

A.

Before the first medical use of a brachytherapy source, a licensee must have:

(1)

determined the source output or activity using a dosimetry system that meets the requirements of part 4731.4468, subpart 1;

(2)

determined source positioning accuracy within applicators; and

(3)

used published protocols currently accepted by nationally recognized bodies to meet the requirements of this item.

B.

A licensee may use measurements provided by the source manufacturer or by a calibration laboratory accredited by the American Association of Physicists in Medicine that are made according to item A.

C.

A licensee must mathematically correct the outputs or activities determined under item A for physical decay at intervals consistent with one percent physical decay.

D.

A licensee must retain a record of each calibration according to part 4731.4513.

Statutory Authority:

MS s 144.1202; 144.1203

History:

29 SR 755

Published Electronically:

March 12, 2009