Section 410IAC32-1-39. "High efficiency particle air" or "HEPA" defined

   "High efficiency particle air" or "HEPA" means a filter capable of filtering out particles of three-tenths (0.3) micron or greater from a body of air at ninety-nine and ninety-seven hundredths percent (99.97%) efficiency or greater. (Indiana State Department of Health; 410 IAC 32-1-39; filed Jan 6, 1999, 4:28 p.m.: 22 IR 1435; readopted filed Jan 10, 2001, 3:20 p.m.: 24 IR 1477; readopted filed Jul 14, 2011, 11:42 a.m.: 20110810-IR-410110253RFA) NOTE: Transferred from the Air Pollution Control Board (326 IAC 23-1-32) to the Indiana State Department of Health (410 IAC 32-1-39) by P.L.57-2009, SECTION 17, effective July 1, 2009.