Food Engineering, Mar. 2017, by Wayne Labs.
http://www.foodengineeringmag.com/articles/96557-advanced-controls-yield-major-process-improvements

"You think your dairy processing plant is efficient, but when you do the math, you can’t account for 7 million pounds of lost milk per year. That’s a loss of more than $1 million. In addition, your POTW is billing you more than $80,000 annually for exceeding the maximum permitted levels of fats, oils and greases (FOG) in your wastewater. What’s going on? Seems like money down the drain, doesn’t it? ...Fortunately, this story has a happy ending. Vigilistics, Inc. (now part of SafetyChain Software) production management software was employed to get a handle on what was happening to the “spilt milk."