This contract is for the provision of chemical disinfection supplies to the City of Tucson. The contract was awarded to Hach Company and has a duration of one year, starting from July 1, 2025, and ending on June 30, 2026. The contract includes provisions for payment, termination, and warranties. The City of Tucson has the right to audit the contractor's books and records, and the contractor is required to maintain accurate records and cooperate with audits.