Specifications include, but are not limited to: a) Vendor has supplied polymer to the EPD during the last eight (8) years. b) A new vendor must perform lab (bench) test at the EPD and plant trial of 500 gallons of their polymer to confirm their qualifications. The City will incur no cost for any testing and trial runs. c) Vendor is responsible for removal of all unused polymer within five (5) days after the trial date. 5. The estimated quantity will be 10,000 – 15,000 gallons per month. 6. Whenever the contractor is unable to ship within 48 hours after receipt of an order, the City reserves the right to order Liquid Polymer from another vendor. Any difference in cost shall be charged to the vendor in default. 7. The City reserves the right to cancel any unfilled portion of the contract, providing in the opinion of the Chief Engineer, the services or material supplied by the contractor are unsatisfactory or not consistent with the terms of the contract.