Trace Level Dilution System

The Illinois Environmental Protection Agency (IEPA) is soliciting bids for five Trace Level Dilution systems under IFB 26-532EPA-AIR53-B-53176, with bids due August 27, 2026. This is a federally mandated EPA purchase. Bids must be submitted electronically through BidBuy and remain firm for 90 days from opening.

Each system must include one 10-liter diluent gas mass flow controller, two source gas mass flow controllers (100 cc and 10 cc), an internal trace-level photometer-controlled ozone generator, and capability for producing NO₂ concentrations through gas phase titration. Systems must be compatible with Agilaire 8872 and ESC 8832 data loggers using Modbus communication, equipped with Ethernet and USB ports, and capable of operating as a USEPA Level 2 or Level 3 ozone primary transfer standard. Equipment must be delivered and fully operational to the IEPA Air Lab within 120 days of contract execution.

Contract deliverables include two years of expendables, hard copy instrument manuals, and a two-year parts and labor warranty from the manufacturer. The initial contract term is two years from the date of last signature, with a maximum total term not to exceed ten years. All services must be performed in the United States unless otherwise disclosed and approved by the State. Vendors must maintain general commercial liability insurance of $1,000,000 per occurrence and $2,000,000 annual aggregate, auto liability of $1,000,000 per occurrence, and workers' compensation as required by law.

The award will be made to the lowest priced responsive and responsible bidder. No bid bond or performance bond is required. Bidders must submit vendor disclosure forms or active Illinois Procurement Gateway registration, an IFB offer to the state, and Business Enterprise Program or Veterans Small Business Program Utilization Plans as applicable. A $15 fee for the Minority Contractor Opportunity Initiative will be deducted from the first payment to any awarded vendor with a contract valued at $1,000 or more. The resulting contract may be partially or totally funded with federal funds, with the percentage and dollar amount disclosed upon award notification.