410 IAC 5-6.1-80
410 IAC 5-6.1-80 "Primary protective barrier" defined
Cite as Ind. Admin. Code tit. 410, r. 5-6.1-80
Sec. 80. As used in this rule, "primary protective barrier" means a protective barrier of material which is placed in the useful radiation beam
to reduce radiation exposure. The term does not include filters.