(1) Before the first medical use of a brachytherapy sealed source on or after March 21, 2010, a licensee shall have:
- (a) Determined the source output or activity using a dosimetry system that meets the requirements of Rule 0400-20-07-.68;
- (b) Determined source positioning accuracy within applicators; and
- (c) Used published protocols currently accepted by nationally recognized bodies to meet the requirements of subparagraphs (a) and (b) of this paragraph.
- (2) Instead of a licensee making its own measurements as required in paragraph (1) 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 that are made in accordance with paragraph (1) of this rule.
- (3) A licensee shall mathematically correct the outputs or activities determined in paragraph (1) of this rule for physical decay at intervals consistent with 1 percent physical decay.
- (4) A licensee shall retain a record of each calibration in accordance with Rule 0400-20-07-.99.
Authority: T.C.A. §§ 4-5-201, et seq.; 68-202-101, et seq.; and 68-202-201, et seq. Administrative History: Original rule filed February 22, 2012; effective May 22, 2012.