410 IAC 7-26-9
410 IAC 7-26-9 "aw" defined
Cite as Ind. Admin. Code tit. 410, r. 7-26-9
Sec. 9. "aw" means water activity 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.