Liquid Carbon Dioxide for Water Treatment

The City of Ames is seeking a vendor to provide liquid carbon dioxide for the Water & Pollution Control Department. The contract will be for a period of one year, with an option to renew for an additional year. The vendor will be required to deliver the liquid carbon dioxide to the Water Plant, and to maintain a minimum level of 50% full in the storage tanks. The City of Ames reserves the right to cancel the contract if the vendor fails to perform adequately. • The liquid carbon dioxide must be at least 99.5% pure by weight with moisture content not to exceed 0.1% by weight. • The oil content of the liquid carbon dioxide shall not exceed 0.0005%. • The vendor shall provide a certification of analytical report each quarter showing that the material supplied meets the specification requirements. • The material shall be certified as suitable for contact with or treatment of drinking water by an accredited certification organization in accordance with ANSI/NSF Standard 60.