Calcium Thiosulfate (30%) Technical Grade

The City of Mesa’s Water Resources Department is procuring Calcium Thiosulfate (30 % technical grade) in 220‑gallon totes for use in drinking‑water treatment. The contract will be awarded to a single vendor, Univar Solutions USA LLC, with a base term of three years and an optional two‑year renewal. The city requires FOB destination deliveries, compliance with NSF/ANSI 60, and provision of all required documentation (COA, SDS, BOL) at each delivery. Pricing will be submitted on a unit‑price basis and must be firm for the term, subject only to limited CPI‑based adjustments. • Product: Calcium Thiosulfate (30 % technical grade) in 220‑gallon totes. • Delivery: FOB destination to Signal Butte Water Treatment Plant, Mon‑Thu 7:30 am‑2:00 pm. • Contract Value: $25,000 per year (estimated $75,000 total for three‑year base term). • Vendor: Univar Solutions USA LLC (sole award). • Evaluation: Responsiveness, responsibility, and price.