Specifications include, but are not limited to: 1. Chemical Requirements (Sec 4.2 of ANSI/AWWA B703-11): The fluorosilicic acid shall contain between 20 and 30 percent fluorosilicic acid by weight unless specified otherwise by the City. 2. Impurities (Sec 4.3 of ANSI/AWWA B703-11) General impurities: The fluorosilicic acid supplied according to this standard shall contain no mineral or organic substances in quantities capable of producing deleterious or injurious effects on the health of those consuming water that has been properly treated with fluorosilicic acid. Hydrofluoric acid content: The fluorosilicic acid supplied according to this standard shall contain a maximum of 1 percent hydrofluoric acid. Product certifications: Fluorosilicic acid is a direct additive used in the treatment of potable water. This material should be certified as suitable for contact with or treatment of drinking water by an accredited certification organization in accordance with ANSI/NSF Standard 60, Drinking Water Treatment ChemicalsB Health Effects. Evaluation shall be performed in accordance with requirements that are no less restrictive than those listed in ANSI/NSF Standard 60. Certification shall be performed by a certification organization accredited by the American National Standards Institute. The successful bidder will be required to provide NSF/ANSI Standard 60 documentation prior to award. Failure to provide this documentation within three (3) days after written notification from the Contract Administrator will result in rejection of your bid. 3. Verification (Sec 5 of ANSI/AWWA B703-11) Sampling and Laboratory Examination: Sampling shall be conducted in accordance with Sec 5. of ANSI/AWWA B703-00. The laboratory examination of the samples shall be completed within the following time limitations: Bulk shipmentsBbefore unloading, unless the shipment is accompanied by a certified analysis from the manufacturer or supplier.