Ind. Admin. Code tit. 410, r. 5-10.1-27
Plaque on wells containing abandoned sealed sources
Effective Nov 14, 2025Published Dec 10, 202520251210-IR-410240588RFAIC 16-41-35-26 ; IC 16-41-35-29Indiana Department of Health
Authority: IC 16-41-35-26; IC 16-41-35-29
Affected: IC 16-41-35
Sec. 27. Example of Plaque for Identifying Wells Containing Sealed Sources Containing Radioactive Material Abandoned Downhole [COMPANY NAME] [WELL IDENTIFICATION] 
CAUTION ONE 2 CURIE CS-137 RADIOACTIVE SOURCE ABANDONED 3-3-75 AT 8400 FT. PLUG BACK DEPTH 8200 FT. DO NOT RE-ENTER THIS WELL BEFORE CONTACTING INDIANA STATE BOARD OF HEALTH The size of the plaque should be convenient for use on active or inactive wells; e.g., a 7-inch square. Letter size of the word "CAUTION" should be approximately twice the letter size of the rest of the information; e.g., 1/2-inch and 1/4-inch letter size, respectively.
(Indiana Department of Health; 410 IAC 5-10.1-27; filed Feb 29, 1984, 10:10 am: 7 IR 986; readopted filed Nov 15, 2001, 1:30 p.m.: 25 IR 1270; 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 Nov 13, 2019, 3:14 p.m.: 20191211-IR-410190391RFA; readopted filed Nov 14, 2025, 11:18 a.m.: 20251210-IR-410240588RFA)