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c. Industrial Waste . scharge <br /> 1. Is this plant subject to Axisting Federal Pretreatment Standard? <br /> Yes_-- No <br /> 2. Detailed description of operation producing wastes including production <br /> quantities and estimated waste usage (use additional sheets is necessary) . <br /> Acid discharge from dragout tanks in tinplating and solder dipping processes. <br /> Chemicals used include Stannus sulfate, M-Pyrol, Nitric Acid, Sulfuric Acid, <br /> Ac=ane 70, Enstrip Stripper TL-106, Hydrochloric Acid, Reliarinse, and Freon. <br /> - - - - - - - - - - - - - - - - - - - - Pretreatment: Winter 30%, Summer 50% <br /> NADH Solution. Discharge of 6.8 - 9.8 to City drain, below 6.8 PH diverts back <br /> to holding tank where NAOH is pumped to system raising PH level. <br /> 3. Quantity of Discharge <br /> Maximum Average Daily Nature of Discharge <br /> Description Time of Discharge Rate Rate .Continuous or Intermitr.ei_. <br /> /Sanitary Waste NIA _ <br /> B. Cooling Tower Discharge suspended <br /> Blow down Intermittent 1 gal. 20 gals. solids twice daily <br /> Discharge suspended soli.. <br /> C. Boiler Blow down Intermittent 1 gal. 3 gals. Intermittent (Winter onl . <br /> Intermittent treated <br /> D. Process Wasters Daily, Intermit. 30 Gal/m n. 16,000 Gals. waste water <br /> E. Other <br /> -3= <br />