UNSPSC 71131109: Matrix treatment evaluation services

Analysis and evaluation of the results of matrix treatment.

UNSPSC 71131109 Matrix treatment evaluation services is a Commodity code that in recent state and local procurement activity encompasses landfill gas collection system design, construction, and operational evaluation; digester gas utilization assessment and conversion to renewable energy; and related infrastructure evaluation tied to waste management and water reclamation facilities. State and local governments procuring under this code are primarily special-purpose districts managing solid waste and water treatment operations — the Dalton-Whitfield Solid Waste Authority in Georgia, the Eastern Municipal Water District in California, and municipal public works departments. The work involves surveying gas extraction well locations, installing collection infrastructure (perforated horizontal collectors, lateral piping, wellheads, condensate sumps, and monitoring equipment), evaluating system performance and gas quality characteristics, and integrating control systems and appurtenances. Contractors must hold state licensure as general contractors or engineering firms and demonstrate minimum five years of direct experience in comparable gas collection or digester gas projects with successful completion of at least five similar installations within the preceding five years.

Recent activity is concentrated in California and Georgia. The Dalton-Whitfield Solid Waste Authority issued an ITB on April 17, 2026, for landfill gas collection and control system expansion at Old Dixie Highway Municipal Solid Waste Landfill in Dalton, Georgia, with bids due May 21, 2026, and a mandatory pre-proposal conference on May 1, 2026; the work encompasses 4,100 linear feet of collectors, 7,420 linear feet of lateral piping, condensate sumps, and side slope seeding with a 120-calendar-day substantial completion deadline and $2,000–$5,000 per day liquidated damages. The Eastern Municipal Water District in Riverside County, California, issued an RFP on February 24, 2026, for a long-term Design-Build-Finance-Own-Operate-Maintain digester gas utilization project at three Regional Water Reclamation Facilities, with proposals due April 13, 2026, mandatory pre-proposal meeting March 9, 2026, and site tours March 18–19, 2026; the scope requires conversion of digester gas to renewable natural gas or other energy products with minimum 90% utilization of available gas, board approval anticipated October 2026, and substantial completion by June 2029. Neither solicitation identifies set-aside designations for disadvantaged or minority-owned businesses.