Section 410IAC7-21-33. "Water activity" defined  


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  •    "Water activity" indicated by the symbol aw means water activity that is a measure of the free moisture in a food and the quotient of the water vapor pressure of the substance divided by the vapor pressure of pure water at the same temperature. (Indiana State Department of Health; 410 IAC 7-21-33; filed Jan 7, 2002, 10:16 a.m.: 25 IR 1619, eff one hundred twenty (120) days after filing with secretary of state; readopted filed Jul 14, 2008, 2:14 p.m.: 20080806-IR-410080322RFA; readopted filed Sep 10, 2014, 2:08 p.m.: 20141008-IR-410140299RFA)