Screen trap performance with depth measurements of FOG and solids

https://mike-wiki.win/index.php/Grease_Trap_Service_Fundamentals:_Keeping_Food_Service_Operations_Clean_and_Code-Compliant_28218

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