Specifications include, but are not limited to: AMMONIUM SULFATE; CARBON (PAC); CARBON DIOXIDE; FLUORIDE; LIME POLYMER: PAM (Tote), Actiflo Bulk - PACL, Actiflo Tote - PACL, Filter Aid Bulk - PACL, Filter Aid Tote - PACL, Monthly Tech Support; POLYPHOSPHATE; POTASSIUM PERMANGANATE; SODA ASH; BULK SALT; (Hydrofluosilicic acid 23%); In order to take advantage of pricing opportunities and consistent quality of product, the City will include an option in the chemical specifications to extend contracts up to three years after the bid if the product and service meets or exceeds the requirements needed to produce the best water quality possible. These chemicals include Ammonia, Carbon Dioxide, Hydrofluosilicic acid 23%, Potassium permanganate, Polyphosphate, Soda Ash, Carbon PAC1 and PAC2. The Bidder acknowledges this that they are aware of this and indicates if they will agree to the possible extension when contacted in October for the extension in the next year.