410 IAC 7-21-33
410 IAC 7-21-33 "Water activity" defined
Cite as Ind. Admin. Code tit. 410, r. 7-21-33
Sec. 33. "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.