date:Jun 14, 2016
fined and cannot be defined until there is a standard procedure for measuring cross-contamination. There are some people who argue that 10 ppm is this critical level. However, the data are exceedingly weak. Finally, if one can show that all chlorine levels across a wash system track the level at a control point and then maintain the chlorine level at the control points to some undefined level, this would verify that the wash system is operating as designed. All three of these approaches have sci