Fluorosilicic acid - Sweeney 215,000 Wet Lbs. 2 Sulfuric Acid - Richardson 70,000 Gallons. The fluorosilicic acid supplied under these specifications shall be clean and free of visible suspended matter. The fluorosilicic acid supplied under this specification shall be water white to straw yellow. Straw yellow shall be determined as material with a maximum of 200 units in accordance with method 2120B, visual comparison method. SULFURIC ACID – LIQUID Product must be certified for use in potable water by the American National Standards Institute/NSF International Standard 60 for Drinking Water Treatment Chemicals - Health Effects, approved for use in potable water supplies by the U. S. Environmental Protection Agency and the State of North Carolina, and comply with the USDA Guide Requirements for use in a public water supply.
