NIGP 17565: pH Buffer Solutions, Indicators, and Papers

NIGP 17565 pH Buffer Solutions, Indicators, and Papers is an Item code under which state and local governments procure calibration and maintenance chemicals for water quality monitoring equipment, including pH buffer solutions at specified values (7.00, 10.00, 4.01), conductivity standards, ultra-pure deionized water, pH reference solutions, redox buffers, and sensor storage solutions. The code serves municipal water departments and similar agencies responsible for monitoring dissolved oxygen, turbidity, conductivity, temperature, and related parameters in water systems. Issuing bodies soliciting under this code include city utilities departments and similar local water-quality monitoring functions.

The City of Austin, Texas posted IFB 6300 BYS1059 on July 13, 2026, requesting bids on chemicals to maintain and calibrate Hydrolab and In-Situ Sondes, with responses due August 13, 2026. The scope comprises eight specified chemical items in buffer solutions and related calibration media, with pricing to include shipping to the Austin area and all administrative and labor costs. Small Business Preference and Local Business Preference programs both apply; the Local Business Preference covers entities with headquarters in the Austin-Round Rock-San Marcos Metropolitan Statistical Area (Bastrop, Caldwell, Hays, Travis, and Williamson counties). Mandatory insurance includes 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) from A.M. Best B+VII or better carriers. All contractors must certify compliance with the City of Austin Wage Theft Ordinance and complete mandatory wage theft training within 30 days of award.