1. TURI Lab Workshop Alternatives to TCE March 14, 2008 David Aucoin Environmental Compliance Technical Assistant The Narragansett Bay Commission

2. The Narragansett Bay Commission Service District Area 10 Cities/Towns 10 Cities/Towns 360,000 People 360,000 People 8,000 Businesses 8,000 Businesses Sanitary Wastewater Sanitary Wastewater Industrial Wastewater Industrial Wastewater Stormwater Runoff Stormwater Runoff

3. The Narragansett Bay Commission - NBC Field’s Point - 40 MGD –8 % Industrial Flow –720 Permitted Users –108 SIUs Bucklin Point - 20 MGD –11 % Industrial Flow –415 Permitted Users –59 SIUs

4. Switching Parts Cleaners? A.Good Decision: Less carcinogenic Fewer regulatory concerns B.Additional Assistance: TURI EPA Region 1 Narragansett Bay Commission Pollution Prevention (P2) Program RI DEM RI DOH

5. Things to Keep in Mind… Notify NBC’s Pretreatment Program once the chemical substitution is made, If new parts cleaner is water-based, an industrial wastewater discharge permit may be required by NBC.

6. NBC Pollution Prevention Program Technical Assistance –Non-regulatory, –Free of charge, and –Confidential Reduce the Generation of Industrial Waste at the Source Conduct pollution prevention “audits” Conduct pollution prevention “audits” Offer assistance with environmental regulatory compliance Offer assistance with environmental regulatory compliance Recognition programs Recognition programs Educational programs Educational programs Implement regulatory reform programs Implement regulatory reform programs

7. Hierarchy of Waste Management practiced by NBC’s P2 Program

8. NBC Industrial Pretreatment Program Environmental Regulatory Authority Control Industrial Wastewater Discharges –Issue permits –Monitor effluent quality –Conduct compliance inspections –Issue enforcement actions –Respond to emergency situations 1992 and 1998 Recipient of EPA’s Pretreatment Excellence Award

9. Questions? Environmental, Safety & Technical Assistance Section – 461-8848, ext. 418 Pretreatment Program – ext. 475