150-pound chlorine 2.3 gas cylinders to the City of DeKalb – Water Division located at 1216 Market St., DeKalb, IL. Chlorine 2.3 is used at the City of DeKalb – Water Division’s five (5) potable water treatment plants to treat water for disinfection purposes. The City expects to use a total of approximately 35,000 pounds of chlorine annually during the term of this contract. Hydrofluosilicic Acid: Purchase and delivery of fifty-five (55) gallon drums (approximately 650 pounds/drum) of hydrofluosilicic acid to the City of DeKalb – Water Division located at 1216 Market St., DeKalb, IL. Hydrofluosilicic acid is used at the City of DeKalb – Water Division’s five (5) potable water treatment plants to treat drinking water. The City expects to use a total of approximately 8,000 pounds of hydrofluosilicic acid annually during the term of this contract. Ortho/Poly Blended Phosphate: Purchase and delivery of fifty-five (55) gallon drums (approximately 650 pounds/drum) of Ortho/Poly blended phosphate to the City of DeKalb – Water Division located at 1216 Market St., DeKalb, IL. Ortho/Poly blended phosphate is used at the City of DeKalb – Water Division’s five (5) potable water treatment plants to treat drinking water for corrosion control and for iron sequestration. The City expects to use a total of approximately 70,000 pounds of ortho/poly blended phosphate annually during the term of this contract.
