Rule 3701:1-58-48. Calibration measurements of brachytherapy sources

119.03 (A) Before the first medical use of a brachytherapy source, a licensee shall have: (1) Determined the source output or activity using a dosimetry system that meets the requirements of paragraph (A) of rule 3701:1-58-60 of the Administrative Code; (2) Determined source positioning accuracy within applicators; and (3) Used published protocols currently accepted by nationally recognized bodies to meet the requirements of paragraphs (A)(1) and (A)(2) of this rule. (B) Instead of a licensee making its own measurements as required in paragraph (A) of this rule, the licensee may use measurements provided by the source manufacturer or by a calibration laboratory accredited by the "American Association of Physicists in Medicine" (AAPM) that are made in accordance with paragraph (A) of this rule. (C) A licensee shall mathematically correct the outputs or activities determined in paragraph (A) of this rule for radioactive decay at intervals consistent with one percent radioactive decay. (D) A licensee shall retain a record of each calibration in accordance with rule 3701:1-58-89 of the Administrative Code. Last updated November 18, 2022 at 8:35 AM Supplemental Information Authorized By: 3748.02 , 3748.04 Amplifies: 3748.04 4/7/2027