NIGP 43051: Noble (Inert) Gases: Argon, Helium, Krypton, Neon, Radon, Xenon

NIGP 43051 Noble (Inert) Gases: Argon, Helium, Krypton, Neon, Radon, Xenon is an Item code under which state and local governments procure specialty gases—principally argon and nitrogen—for laboratory, industrial, and operational support. Recent solicitations show two distinct use streams: the California Department of Toxic Substances Control's Environmental Chemistry Laboratory procures liquid argon and nitrogen refill services for microbulk tank systems and laboratory piping, while the Washington State Department of Transportation's ferries division does not appear in the recent opportunities block despite the code's classification. The issuing bodies engaging under this code span state agencies (departments of transportation and toxic substances control) and technical/research facilities within those agencies. Procurement takes the form of IFB and RFP notices for refill services, maintenance, and emergency support rather than commodity purchase orders.

Recent activity concentrates in the Pacific and Western regions. The California Department of Toxic Substances Control issued IFB I-2627-03 for specialty gas refill services on July 31, 2026, with a bid due date of August 31, 2026, covering on-demand maintenance and refill of liquid argon and nitrogen systems at its Pasadena laboratory. This represents the primary documented recent opportunity under the code. Geographic spread is limited in the recent record; the opportunities block reflects activity only in California and Washington. The refill-services model and microbulk tank focus suggest state agencies with continuous laboratory or operational gas needs are the primary buyers, though the sample size is narrow and does not support characterization of broader issuing-body or geographic concentration patterns.