UNSPSC 12160000: Additives

UNSPSC 12160000 Additives is a Family code encompassing chemical treatment products and related laboratory services that state and local governments procure for water quality management, wastewater treatment, and environmental testing. Recent solicitations show state and local agencies buying water treatment chemicals (sodium hypochlorite, sodium bisulfite, zinc orthophosphate, liquid polymer), laboratory analysis services for drinking water and wastewater compliance, and specialized additives for municipal operations. The issuing bodies span water utilities, wastewater authorities, city public works departments, and state environmental divisions across multiple jurisdictions. Purchases range from bulk commodity chemicals under fixed-price supply contracts to specialized laboratory testing with performance-based requirements including EPA and state accreditation.

The code sees recent activity concentrated in the Southwest, Mid-Atlantic, and Northeast regions. Representative opportunities include the City of Santa Monica Water Resources Division ITB for laboratory analysis of water, wastewater, stormwater, and recycled water samples due October 21, 2026, covering 50 line items of testing methods with ELAP, TNI, ISO, and EPA accreditation required; the City of Pittsburgh IFB for bulk rock salt treated with magnesium chloride for snow and ice removal (25,000–75,000 tons annually) due September 17, 2026, with Disadvantaged Business Enterprise participation goals and Living Wage Ordinance requirements; the Stamford Water Pollution Control Authority IFB for liquid polymer material supply due September 24, 2026, requiring mandatory on-site jar testing prior to bid submission; the City of Bethlehem, Pennsylvania bid for bulk liquid zinc orthophosphate due August 12, 2026; and the Municipal Authority of the Borough of Morrisville, Pennsylvania IFB for sodium bisulfite, sodium hypochlorite, and hydrated lime due June 4, 2026. Contracts typically span one to five years with optional renewal periods and emphasize firm, fixed pricing with no escalation clauses permitted.