410 IAC 5-6.1-73 - "Normal treatment distance" defined

Authority: IC 16-41-35-26; IC 16-41-35-29

Affected: IC 16-41-35

Sec. 73.

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.

Notes

410 IAC 5-6.1-73
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 Readopted filed 11/13/2019, 3:14 p.m.: 20191211-IR-410190391RFA

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