Section 410IAC6-2.1-5.3. "CT inactivation value" defined  


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  •   3. "CT inactivation value" means the concentration (C) of free chlorine in ppm (or mg/L) multiplied by time (T) in minutes at a specific pH and temperature. (Indiana State Department of Health; 410 IAC 6-2.1-5.3; filed Jul 26, 2010, 2:16 p.m.: 20100825-IR-410090006FRA; readopted filed Sep 30, 2015, 2:45 p.m.: 20151028-IR-410150169RFA)