1. Presented by: Mark Lovitt Utilities Department/Pretreatment Division Town of Cary, N.C.

3.  Nationally and statewide: More focus on proper grease interceptor cleaning and service frequency rather than sampling to judge compliance  Sampling interceptors is a tool: Helps to measure performance and efficiency of the grease interceptor  Useful information for chronic problem areas

4.  Grab sample: Only collection method recognized for compliance determination by EPA  Collection – Typically a wide mouth 1000 ml glass container is used, depending on the lab used: dip and take method; Not recommended to transfer sample to another container

5.  Grab sample  1000 ml Wide Mouth Glass Container  Teflon lined Cap  Preserved with H 2 SO 4 or HCl to <2.0 std. units  Refrigerate  6.0  C  Maximum hold time 28 days EPA Manual for Industrial User Inspection And Sampling Manual for POTW’s, April 1994

6.  1000 ml Glass Sample Container  Sulfuric or Hydrochloric Acids (Preservation)  pH Meter  Thermometer  pH Test Strips  Chain of Custody/Labels  PPE (Personal Protective Equipment)  Cooler with Wet Ice

7. TTransferring devices SaSamplepole with bottle

12.  What’s the Goal: FSE Compliance  You need the Customer’s Cooperation  Coordinate w/FSE to sample when dishes/ware can be washed

19. Grease Interceptor Sample Port Stainless Steel Rubber Bulb Discharge to sanitary sewer Flow Vent Bulb Sample Method Small Grease Separation Devices

21.  Summary of FOG Sampling :  Use sampling of grease interceptors as a tool of a good FOG Inspection program not the only tool.  FOG Ordinance- Will you use an enforcement limit or action level.  Educate your FSE’s and help them stay in compliance.

23. Mark Lovitt Utility Pretreatment Technician I Town of Cary, N.C. mark.lovitt@townofcary.org Phone: 919-270-6425