Carbon Flux Sensor IAW Salients

The U.S. Geological Survey Office of Acquisitions and Grants seeks delivery of Carbon Flux Sensors and associated equipment to Davie, Florida, with written quotes due July 13, 2026, at 11:00 AM EDT. This procurement is a 100 percent Women-Owned Small Business set-aside, foreclosing bidding to non-WOSB entities.

The RFQ 140G0126Q0189 calls for two LI-COR LI-720 Carbon Flux Sensors, one LI-COR 25-meter extension cable, and two LI-COR 5-year all-inclusive service agreements. Sensors must deliver all-in-one, turnkey ecological monitoring combining wind and high-frequency gas measurements for direct Eddy Covariance CO2 flux at 10 Hz with 30-minute processed output. CO2 measurement range is 0 to 1500 μmol mol⁻¹ (1.5% accuracy); H2O range is 0 to 60 mmol mol⁻¹ (1.5% accuracy). Sensors must include GPS, tilt and orientation sensors, SDI-12/RS-232/USB-micro interfaces, removable 8 GB microSD card, operating range -25 to 50°C, and power from 12 VDC nominal or USB 2.0+ at no more than 1.5 watts, with solar compatibility. Service agreements must cover damage replacement, manufacturing defect repair or replacement, free loaner units, prioritized service, free return and priority shipping, two free calibrations, and cavity replacement for trace gas analyzer components.

Delivery is 60 days after receipt of order for sensors and cable; December 15, 2026, for service agreements. NAICS code is 334516 with a 1,000-employee size standard. Anticipated award date is September 1, 2026. Evaluation is lowest price among technically acceptable quotes. Questions are due July 9, 2026, at 11:00 AM EDT. Bidders must be SAM.gov-registered. Contact Cynthia Nicanor at cynthia_nicanor@ios.doi.gov or 703-648 (phone partial in source).