Section 410IAC5-6.1-73. "Normal treatment distance" defined

 

                                As used in this rule, "normal treatment distance" means the following:

(1) For electron irradiation, the virtual source-to-surface distance along the central axis of the useful beam as specified by the manufacturer for the applicator.

(2) For x-ray irradiation, the virtual source-to-isocenter distance along the central axis of the useful beam.

(3) For nonisocentric x-ray equipment, the normal treatment distance shall be that specified by the manufacturer.

(Indiana State Department of Health; 410 IAC 5-6.1-73; filed Oct 29, 1993, 5:00 p.m.: 17 IR 363; readopted filed Jul 11, 2001, 2:23 p.m.: 24 IR 4234; readopted filed May 22, 2007, 1:44 p.m.: 20070613-IR-410070141RFA; readopted filed Sep 11, 2013, 3:19 p.m.: 20131009-IR-410130346RFA)