T640 and T640X Particulate Matter (PM) Mass Monitors- DNR

The Missouri Department of Natural Resources (DNR) is issuing a single‑source procurement to acquire T640 and T640X particulate‑matter mass monitors from Teledyne Advanced Pollution Instrumentation (TAPI), the exclusive manufacturer. The monitors use broadband spectroscopy and white‑light scattering technology, eliminating the need for filter‑based measurements. The contract runs for one year, with two possible renewal options, and the purchase will support the DNR’s air‑quality monitoring programs. • Procurement Type: Single Feasible Source (sole source) • Required Equipment: T640 and/or T640X PM mass monitors • Supplier: Teledyne Advanced Pollution Instrumentation (TAPI) – sole manufacturer • Contract Period: 08 Nov 2026 – 07 Nov 2027 (1 year) with up to 2 renewals • Opening Date: 18 Aug 2026; Closing Date: 28 Aug 2026 • Primary Contact: Tammy Havalias, Buyer, (573) 753‑6108, [email protected] • No pre‑bid meeting, site visit, or question‑submission deadlines disclosed • Applicable for firms that can integrate, install, calibrate, and maintain advanced PM monitoring equipment.