Display trap efficiency with depth measurements of FOG and solids

https://delta-wiki.win/index.php/Partnering_with_a_Grease_Trap_Company:_Daily_Preparedness_and_Regulatory_Compliance_for_Food_Organizations_12686

Monitor trap performance with depth measurements of FOG and solids, setting off pump-outs at 25% capacity to maintain performance, avoid foul smells, and satisfy most community pretreatment standards.