UNSPSC 71131110: Matrix treatment quality control services

Services to provide measure the quality and effects of the matrix treatment.

UNSPSC 71131110 Matrix treatment quality control services is a Commodity code that in recent state and local solicitations addresses landfill gas collection system infrastructure, wastewater digester gas utilization projects, and related environmental utility construction work. The code shows significant mismatch between its nominal scope and what state and local agencies are actually procuring under it. Of the four recent opportunities posted under this code, only two align with environmental treatment or quality control: the Dalton-Whitfield Solid Waste Authority's landfill gas collection and control system expansion in Georgia and the Eastern Municipal Water District's digester gas utilization project in California. The other two—City of DeBary's park irrigation system upgrade and City of College Park's city manager executive search—fall outside treatment quality control entirely and represent tagging errors rather than genuine activity under this code. Issuing bodies for the relevant work include regional solid waste authorities and municipal water districts, both capital-project-oriented and willing to procure complex environmental infrastructure through competitive ITB and RFP processes.

The geographic concentration of relevant recent activity is narrow: Georgia and California account for the only substantive solicitations aligned with environmental treatment work. The Dalton-Whitfield Solid Waste Authority issued an ITB (due May 21, 2026) for landfill gas extraction well installation, horizontal collectors, piping, and condensate handling across approximately 4,100 to 7,420 linear feet of infrastructure, requiring Georgia-licensed general contractors with five years' experience in similar projects and mandatory on-site labor minimums. The Eastern Municipal Water District in Riverside County issued an RFP (due April 13, 2026) for a long-term Design-Build-Finance-Own-Operate-Maintain agreement to convert digester gas from three regional water reclamation facilities into renewable natural gas, with proposers expected to assume design, permitting, construction financing, operations, and maintenance across a 15- or 20-year contract term ending in 2029 substantial completion. Neither solicitation included set-asides for disadvantaged enterprises. The code's recent activity is sparse and geographically isolated, making it a lower-priority area for most firms unless they hold specific expertise in landfill gas systems or wastewater digester gas projects in the Southeast or Southwest regions.