1. High Strength Wastewater: Parameters and Source Characteristics Pretreatment Technologies Workshop

2. Potential sources Commercial Institutional Residential

3. Commercial sources: Food Service Food Stand Restaurant Grocery store with food service Convenience store with food service

4. Rough prescriptive codes Square footage, # employees Hours of operation # Meals served Location

5. Factors affecting wastewater strength of food service facilities

6. Cuisine: what do they serve? Ethnic differences Cooking oils Self serve drinks Ice cream machines Alcoholic beverages Coffee shops

7. Serving Mode Take out/carry out Salad bar Buffet Banquet

8. Management procedures Dishes Dishwasher Defrosting method Garbage disposal

9. Management Laundry machine Water source – Pressure – Water treatment Floor cleaning – Caustic cleaners – Drains?

10. Other commercial facilities Inn/Lodge, B and B Golf courses Camping Breweries, wineries

11. Other commercial facilities Car washes – Particulates Sediment trap? – Road tar, petroleum waste Oil/grease trap? – Soaps and wax

12. Other commercial facilities Beauty shops/spas – Chemicals used – Waxing – Mud baths Visitor center

13. Other commercial facilities Photography labs – Chemicals – Heavy metals – Solvents

14. Other commercial facilities Laundries and dry cleaners – Lint – Particulates – Dry cleaning agents – Acidic and caustic compounds – Soaps – Dyes

15. Other commercial facilities Meat processing facilities/slaugh terhouses – Blood – Hair – Cleaning agents Caustic, acidic or both FOGs

16. Other commercial facilities Food processing facilities – FOGs – Particulates – Cleaners

17. Grocery stores Services – Meat market – Bakery – Food service

18. Mini malls A mix of sources – How many? – Check characteristics of each one – They will change Separate septic tank for each one

19. Institutional sources Schools – Students, faculty – What level – Facilities: cafeteria, showers, labs Day Care Centers – Age - No. of children in diapers Churches – Members – Other services

20. Institutional sources Hospitals, clinics Nursing homes

21. Institutional sources Veterinary facilities Funeral homes

22. Residential sources and wastewater strength Parameters that influence strength

23. Occupancy Owner occupied or rental Year round or seasonal Demographics

24. Other contributions to high strength in residential settings – Additives – Garbage disposal – FOGs

25. PPCP’s Common causes of high strength in residential settings – Chemotherapy, hormones, diabetic drugs – Cleaning products – Personal care products – Hobbies/home businesses

26. Checklists Designed for troubleshooting Also helpful for design review

27. Questions?