Screen trap efficiency with depth measurements of FOG and solids

https://lima-wiki.win/index.php/How_a_Grease_Trap_Companies_Keeps_Restaurants_Compliant_and_Ready_for_Daily_Service_67902

Screen trap efficiency with depth measurements of FOG and solids, setting off pump-outs at 25% capacity to maintain effectiveness, avoid nasty smells, and fulfill most community pretreatment standards.