Common Sense Initiative North Carolina Update Common Sense

Common Sense Initiative: North Carolina Update

Common Sense Initiative Basic Framework n n n Metal Finishers - agree to work toward a series of “Goals” to reduce their discharges. Municipality - in return provides regulatory incentives and technical assistance where required. State - technical and regulatory assistance.

Benefits of Strategic Goals Program n n LOCAL POTW - reduced pollutant discharge to POTW - better working relationship with industries - less chance of NPDES violations - less time devoted to SIU permits PLATERS - less burdensome permit requirements - less time and money devoted to environmental permits - technical assistance available

North Carolina Update n n n 4 participating POTWs: - Raleigh, Statesville, Charlotte, Gastonia 8 metal finishers (3 site visits) Additional incentives - Air quality, power companies, SBA Loans Stakeholder meeting (June 29) Industry Workshop (Fall)

Further Information n Division of Pollution Prevention (919) 715 -6515 Greg_Newman@p 2 pays. org n Surface Finishing Industry Council- SFIC Robert Mc. Dowell (716) 425 -7500 rmcdowel@rochester. infi. net n EPA Scott Dosick (202) 260 -9211 dosick. scott@epamail. epa. gov

Zero Discharge Project at Powder Coating Operation Hankison International, Newport, North Carolina Randy Donley Manufacturing Engineer (252) 726 -1011

Hankison International n n 265 employees 31, 000 square ft facility Manufactures filter products and refrigerated air dryers

Background n n Established 1947 1995 Installed new powder coater Estimated discharge 1, 610 gallons per day Wastewater management options? ?

Wastewater Management Options n n n No City Sewer Off site hauling $0. 43 per gallon ($173, 075 per year) Evaporation - curing ovens generate 3 million BTUs per day which should evaporate 600 gallons per day

Process Flow

Cleaning Line

Cleaning Line Modifications Float valve Advantages • Greater than 90% reduction in water consumption possible • More efficient rinse - film breakdown • Reuse of dragout solution • National survey - 25% usage

BENEFITS Capital Cost = $500 Water Conservation = 217, 500 gallons per year (54%) City Water Costs = $1, 011 per year ($4. 65 per 1000 gallons) Savings on Treatment Costs = $108, 576 per year

Ultrafiltration Unit Filtrate 150 gals/shift BENEFITS Capital Cost = $30, 000 Water Conservation = 250, 000 gallons per year City Water Costs = $1, 162 per year Savings on Treatment Costs = $124, 800 per year

Evaporation System

Evaporation System

Evaporation System BENEFITS Capital Cost = $10, 000 Water Conservation = NA City Water Costs = NA Savings on Treatment Costs = $42, 000 per year

Financial Summary