Opportunity
Oregon Buys #S-DASOBO-00018179
Oregon DEQ procurement for up to 50 PM2.5 integrating nephelometers and support
Posted
October 12, 2026
Respond By
November 17, 2026
Identifier
S-DASOBO-00018179
NAICS
334516, 334519, 423490
Oregon is seeking up to 50 air-monitoring nephelometers and related support for its DEQ monitoring program. - Government buyer: Oregon Department of Administrative Services, Enterprise Goods and Services, Procurement Services, conducting the procurement for the Oregon Department of Environmental Quality (DEQ), including its Air Quality Monitoring program. - OEMs and vendors: No equipment manufacturers, OEMs, resellers, or service vendors are named in the provided materials. DEQ’s EnviDAS software is identified as the required data destination. - Products requested: - Up to 50 integrating nephelometers for ambient-air monitoring; the initial order is expected to be up to 20 units. - Replacement parts and associated accessories; specific items and quantities are not stated. - Key equipment requirements: Instruments must be USEPA-certified as a Federal Equivalent Method (FEM) or be an approved PM2.5 reference method; measure red and blue scattering coefficients using at least two wavelengths; include an internal sample heater; support user calibration with gases of known optical properties; and provide data readable by DEQ’s EnviDAS software. - Services: Technical support and repair may be needed when DEQ staff cannot perform repairs. - Agreement term: An initial term of ten years from execution is described, with possible extension; extension periods are not specified. Orders and delivery timing for remaining units are to be arranged as needed.
Description
The State of Oregon is soliciting the purchase and support of up to 50 integrating nephelometers for ambient air measurement. Instruments must measure in at least two wavelengths and be certified by USEPA as a Federal Equivalent Method (FEM). The procurement also includes replacement parts and associated accessories; technical support and repair may be required if DEQ staff cannot perform repairs. Bids are due November 17, 2026, at 1:00 PM Pacific.