These requirements are broad for the City of Tucson and Participating Public Agencies utilizing the Master Agreement outside of the City. Although this section reflects the needs and requirements of the City, OMNIA Partners Participating Agencies utilizing the Master Agreement may have different requirements. The awarded Contractor will have the ability offer their comprehensive program nationally. OMNIA Partners participants may sign a supplemental or usage agreement with the awarded Contractor substantially based on the terms and conditions of the City of Tucson contract. Participants may elect to negotiate certain terms to conform to their purchasing and contracting requirements. Contractor(s) warrant that chemicals provided as a result of this RFP: i. Conform to the most current NSF 60/61 and/or ANSI/AWWA standards for potable water and/or wastewater chemicals; ii. Conform to the general chemical specifications contained herein; iii. Are suitable for potable water/wastewater treatment; iv. Are free from adulterants or impurities of any kind; and v. The specific warranties of Merchantability and Fitness for a Particular Purpose apply to all orders placed as a result of this solicitation. If at any time, any chemical supplied by the Contractor(s) fails to conform to the specifications of the utilizing agency, then the Contractor shall at no additional cost to the City or Participating Public Agencies, promptly replace with item that meets specifications.