UNSPSC 71131202: Nitrogen purging service

Nitrogen purging services are essential when the required nitrogen supply exceeds a plant's ability to maintain the high flow rate often required during shutdowns and other maintenance procedures. Nitrogen purging is highly effective for pipeline purges, product displacement, and process pipeline inert.

UNSPSC 71131202 Nitrogen purging service is a Commodity code that in practice covers gas collection, treatment, and utilization work at municipal and regional water and waste facilities. The source material shows limited recent activity directly matching the code's nominal scope; instead, the handful of opportunities posted under this code involve landfill gas extraction system construction, digester gas utilization project development, irrigation system installation, and executive search services—only the first two of which align substantively with nitrogen purging or gas handling. State and local issuing bodies using this code include solid waste authorities, municipal water and wastewater districts, and city governments. The Dalton-Whitfield Solid Waste Authority (Georgia) and Eastern Municipal Water District (California) have posted the most relevant recent solicitations, both centered on gas collection and energy recovery infrastructure rather than purging services per se.

Recent opportunities cluster in the Southeast and Southwest. The Dalton-Whitfield Solid Waste Authority posted an Invitation to Bid on April 17, 2026 (response due May 21, 2026) for construction and installation of a landfill gas collection and control system expansion at Old Dixie Highway Municipal Solid Waste Landfill in Dalton, Georgia, requiring Georgia-licensed contractors with a minimum five years' landfill gas system experience and at least five completed similar projects; the work includes extraction wells, piping, condensate sumps, and controls with substantial completion in 120 calendar days and liquidated damages of $2,000 to $5,000 per day. The Eastern Municipal Water District in Riverside County, California issued a Request for Proposal on February 24, 2026 (response due April 14, 2026 at 4:00 PM Pacific Time) for a Design-Build-Finance-Own-Operate-Maintain agreement to develop and operate a Digester Gas Utilization Project converting anaerobic digester gas to renewable natural gas at three regional facilities, with proposers required to demonstrate five years of direct DBFOOM digester gas experience, estimated bonding requirements of $20 million, and contract terms of 15 or 20 years. The code shows material recent activity only in these two gas-related projects; the other two opportunities in the source (irrigation system installation and executive search services) are unrelated to the code's stated scope.