Categorizing and Permitting Companies. Kerry M. Britt Pretreatment Manager Narragansett Bay Commission 2017 NERPCA Conference October 25, 2017

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1 Categorizing and Permitting Companies Kerry M. Britt Pretreatment Manager Narragansett Bay Commission 2017 NERPCA Conference October 25, 2017

2 Narragansett Bay Commission Own and operate the two largest POTWs in RI Receive Wastewater from 10 cities and towns Both plants are advanced secondary treatment plants Field s Point ~40 MGD Bucklin Point ~20 MGD

3 Pretreatment Program 1,729 permitted users 253 Industrials 70 SIUs (43 CIUs) 1,099 FSEs Inspections SIUs 4x/yr Industrials 2x/yr Restaurants 75%/yr All other Commercials 1x/2yr NBC Samples SIUs 2x/yr Cat Category Description # Permitted Users 11 Electroplater/Metalfinisher Pharmaceuticals 2 15 Metal Formers 1 16 Steam Electric Power Generating 1 21 Tubbing/Vibratory/Mass Finishing 8 22 Chemical Transporters, Refiners, Recyclers, Manufacturers 6 23 Textile Processing Firms 9 24 Printers Industrial Laundries 4 26 Machine Shops/Machinery Rebuilders 4 27 Other firms discharging toxics and/or prohibited pollutants Manufacturers with high BOD/TSS wastestreams 5 35 Other facilities discharging conventional pollutants 4 37 Automotive Maintenance/Service Facilities Groundwater Remediation/Excavation Projects 3 41 Recycle or Disconnected Electroplating or Chemical Processes Other Process Operations Disconnected or Recycled Recycle or Disconnected Electroplating or Chemical Processes with Cooling Water or Boiler Discharges 9 44 Other Recycled or Disconnected Process Operations with Cooling Water or Boiler Discharges 9 46 Cooling Water with Solvent, Toxic and/or Hazardous Chemicals on Site 7 49 Other Discharges with Solvents, Toxics and/or Hazardous Chemicals on Site 2 51 Cooling Water with No Solvents, Toxic or Hazardous Chemicals on Site 4 52 Boiler Blowdown/Condensate Discharges Cooling Tower Discharges Other Non-Toxic Industrial Discharges 7 74 Proposed Discharge - Permit Not Yet Issued 7 80 Septage Haulers/Dischargers Food/Fish/Meat/Produce Processing (wholesale) Supermarkets (Retail Food Processing) Parking Garages/Lots 1 84 Cooling Water/Groundwater/Boiler Discharges with Potential to Discharge Conventional Pollutants Restaurants Commercial Buildings with Cafeteria and/or laundry operations Other Commercial Facilities with Potential to Discharge Conventional Pollutants Hospitals Laundries/Dry Cleaners Photo Processing 5 94 X-Ray Processing Clinical, Medical and Analytical Laboratories Funeral Homes/Enbalming Operations Motor Vehicle Service/Washing Operations Other Commercial Users with Potential to Discharge Toxic, Prohibited and/or Conventional Pollutants 41

4 Finding Companies Industrial Area inspections Review newspapers and social media Referrals from cities, towns and state agencies Investigations Complaints NBC Sewer Connection Program Some companies just call

5 Classification Meet with company Required to submit permit application and plans

6 Classification Companies fall under one of the following categories 1.Industries subject to EPA Categorical Standards 2.Industries discharging toxic and/or prohibited pollutants, but who are not subject to categorical standards 3.Industries discharging or having the potential to discharge conventional pollutant loads in sufficient quantities to cause violation of RIPDES permit or local limits 4.Industries with sanitary or non-toxic discharges using solvents, toxic and/or hazardous chemicals that could potentially be discharged to the sewer 5.Industries discharging only sanitary and/or non-toxic wastewater 6.Dry industries with no process wastewater discharges to the sewer 7.Industries with no waste discharges to the sewer 8.Commercial users with the potential to discharge conventional pollutant loads in sufficient quantities to cause violation of RIPDES permit or local limits 9.Commercial users with the potential to discharge toxic substances, prohibited pollutants and/or conventional pollutants

7 Each of the 9 categories have subcategories which are further broken down Classification Subcategories have different sampling requirements and annual permit fees

8 Questions Kerry M. Britt ext. 490 Two Ernest Street Providence, RI 02905