Monitor trap performance with depth measurements of FOG and solids

https://research-wiki.win/index.php/Grease_Trap_Service_Fundamentals:_Keeping_Food_Service_Operations_Clean_and_Code-Compliant_43250

Display trap efficiency with depth measurements of FOG and solids, setting off pump-outs at 25% capacity to maintain effectiveness, prevent foul smells, and meet most community pretreatment requirements.