Water chemicals for the cooling towers-ME lab

The State of Illinois, through the Forensic Services division, awarded a Release Competitive Sealed Bidding contract to Walter Louis Chemicals (Vendor ID V00000807) on August 2, 2026, with a completion date of March 26, 2027. The contract, designated 22-416CMS-BOSS4-P-45535, carries a total contract amount of $127.00 and encompasses the delivery of five 5-gallon poly-pour-pails of Bellacide 355 microbiocide, a non-oxidizing biocide multipurpose treatment product.

The specified product is a clear, colorless liquid biocide formulation containing 5 percent tributyl tetradecyl phosphonium chloride (aqueous solution) designed for algae, fungus, bacteria, and biofilm treatment in cooling water and industrial process systems. The material is compatible with oxidizing agents such as chlorine and with ethylene and propylene glycol solutions, with application suitability across a pH range of 2–12. The unit price established for this line item is $25.50 per pail. Specific dosing protocols have been defined for both open recirculating and closed cooling systems, with subsequent maintenance dosing frequency ranging from weekly to bi-weekly application depending on system fouling conditions.