Screen trap efficiency with depth measurements of FOG and solids

https://ace-wiki.win/index.php/Partnering_with_a_Grease_Trap_Company:_Daily_Readiness_and_Regulatory_Compliance_for_Food_Businesses_52998

Screen trap efficiency with depth measurements of FOG and solids, setting off pump-outs at 25% capacity to maintain effectiveness, prevent nasty odors, and satisfy most municipal pretreatment requirements.