Code of Massachusetts Regulations
105 CMR - DEPARTMENT OF PUBLIC HEALTH
Title 105 CMR 120.000 - The Control of Radiation
MANUAL BRACHYTHERAPY
Section 120.564 - Calibration Measurement of Brachytherapy Sealed Sources
Current through Register 1531, September 27, 2024
(A) Prior to the first medical use of a brachytherapy sealed source on or after October 6, 2006, a licensee shall perform the following:
(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 in accordance with 105 CMR 120.564(A).
(C) A licensee shall mathematically correct the outputs or activities determined in 105 CMR 120.564(A) for physical decay at intervals consistent with 1.0% physical decay.
(D) An authorized medical physicist shall perform or review the calculation measurements made pursuant to 105 CMR 120.564(A), (B), or (C).
(E) A licensee shall retain a record of each calibration in accordance with 105 CMR 120.592(B).