HYDROFLUOROSILICIC ACID 23% (H2SiF6): The City of Siloam Springs estimates purchasing up to 58,630 pounds or 5,715 gallons of Hydrofluorosilicic Acid during the 2026 calendar year. The specified product must be delivered to the Siloam Springs Water Treatment (SSWTP), facility in 275-gallon totes and must be pumped into storage tank. The supplier’s quoted price for Hydrofluorosilicic Acid shall remain the same for 2026 calendar year. Properties of Hydrofluorosilicic Acid 23% 1. Appearance: Colorless to pale yellow liquid 2. Odor: Pungent 3. Specific Gravity: 1.234 kg/dm3 4. Solubility in water: Complete Miscible 5. Boiling point: 221 degrees F 6. Freezing point: 5 degrees F 7. pH: 1.0 8. % Volatiles by Vol.: N/A SODIUM HYPOCHLORITE 12.5% LIQUID (NaClO): The City of Siloam Springs estimates purchasing up to 103,563 gallons or 959,165 pounds of Sodium Hypochlorite during the 2026 calendar year. The specified product must be delivered to the Siloam Springs Wastewater Treatment Plant (SSWWTP), or the Siloam Springs Water Treatment Plant (SSWTP), via tanker truck. Bulk loads shall be a minimum of three thousand six hundred gallons (3,600). The supplier’s quoted price for 12.5% Sodium Hypochlorite shall remain the same for 2026 calendar year. Properties of Sodium Hypochlorite 12.5% (Liquid) 1. Appearance: Clear, white 2. Odor: Chlorine odor 3. Specific Gravity: 1.20 4. Solubility in water: Complete 5. Boiling point: 101 degrees Celsius 6. Freezing point: N/A 7. % Volatiles by Vol.: N/A
