Brand name or Equal to SeapHOX

The U.S. Geological Survey Oklahoma Texas Water Science Center (Gulf Coast Branch) is procuring 2 SeapHOX CT+pH+DO sensors to measure pH, conductivity, temperature, and dissolved oxygen for water quality research at an Ocean and Coastal Acidification monitoring station in Galveston Bay. The solicitation (RFQ 140G0125Q0205) seeks sensors that meet precise technical specifications including pH range of 6.5-9 with 0.05 accuracy, temperature resolution of 0.0001°C, conductivity measurement from 0-70 mS/cm, and dissolved oxygen accuracy of 0.1 mg/L. Offerors must submit their proposals electronically to Mindie Dixon at mdixon@sgs.gov in a four-tab format covering administrative data, pricing, federal forms, and technical capability documentation limited to 3 pages. The evaluation will focus on technical capability assessment including product identification and compliance with salient characteristics. The solicitation was posted on September 5, 2025, with offers due on September 8, 2025 at 1400 MD, and the anticipated award date is September 10, 2020.

This procurement is designated as a total small business set-aside under NAICS code 334519 (Other Measuring and Controlling Device Manufacturing) with a size standard of 600 employees. The solicitation specifically references Sea-Bird Scientific as the manufacturer of the SeapHOX sensors being procured, indicating a brand name or equal acquisition approach. While specific award values are not disclosed in the available documentation, the procurement involves 2 units of specialized water quality monitoring equipment. Delivery is required within 45 days of purchase order receipt to the USGS facility in Shenandoah, Texas, with FOB destination terms. All vendors must be registered in SAM.gov to be eligible for award, and the sensors must be capable of operating in coastal environments with salinity tolerance of 1-45 ppt and temperature range of 0-50°C.