UNSPSC 41115614: pH transmitters

UNSPSC 41115614 pH transmitters is a Commodity code that covers chemical solutions and calibration materials used to maintain and calibrate water quality monitoring equipment, particularly pH buffers, conductivity standards, and sensor storage solutions employed by municipal water utilities. State and local governments procure these chemicals on an as-needed basis to support ongoing operation and accuracy verification of field instruments deployed in water quality monitoring programs. The City of Austin, Texas is among the active buyers under this code, soliciting through its municipal procurement process. Issuing bodies under this Commodity typically include city utilities departments and regional water authorities responsible for surface-water or groundwater quality compliance and monitoring.

The City of Austin posted IFB 6300 BYS1059 on July 13, 2026, requesting bids on eight specified chemical items—buffer solutions at pH 7.00, 10.00, and 4.01, conductivity standards, ultra-pure deionized water, pH reference solution, redox buffer, and sensor storage solution—with bids due August 13, 2026. The solicitation applies both a Small Business Preference and a Local Business Preference (for entities headquartered in the Austin-Round Rock-San Marcos Metropolitan Statistical Area, covering Bastrop, Caldwell, Hays, Travis, and Williamson counties); offerors may also propose additional products under Category 3 at estimated 10% markup, capped at 25% maximum. Pricing is all-inclusive of shipping to the Austin area, administrative fees, overhead, and labor. Mandatory insurance requirements include Workers' Compensation ($100,000 per accident / $500,000 by disease), Commercial General Liability ($500,000 per occurrence), and Business Automobile Liability ($500,000 combined single limit), with A.M. Best B+VII or better ratings required. Contractors must certify compliance with the City of Austin Wage Theft Ordinance and complete mandatory wage theft training within 30 days of award.