Section 410IAC7-24-6. "aw" defined  


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  •    "aw" means water activity that is as follows:

    (1) A measure of the free moisture in a food.

    (2) The quotient of the water vapor pressure of the substance divided by the vapor pressure of pure water at the same temperature.

    (3) Indicated by the symbol aw.

    (Indiana State Department of Health; 410 IAC 7-24-6; filed Oct 13, 2004, 12:30 p.m.: 28 IR 822; readopted filed Jul 15, 2010, 12:12 p.m.: 20100728-IR-410100261RFA; readopted filed Nov 10, 2016, 8:45 a.m.: 20161207-IR-410160371RFA)