SULFUR DIOXIDE(SO2) 1-5 PPM BALANCE NITROGEN EPA PROTOCOL GAS CYLINDER SIZE 80 or 30 CF CENTRAL… and 1 more item

The Illinois state contract 19-416CMS-BOSS4-P-13751 was awarded to Airgas on November 24, 2025, with a contract value of $1,218.35. The contract, classified as a Release Competitive Sealed Bidding arrangement, involves the procurement of specialized EPA Protocol gas cylinders for the Central Region. The primary deliverables include two specific gas mixtures: Sulfur Dioxide (SO2) at 1-5 PPM balanced with Nitrogen, and Nitrogen Dioxide (NO2) at 6-500 PPM balanced with Nitrogen, available in 30 or 80 cubic foot cylinder sizes.

The contract's performance period spans from the award date to January 31, 2025, with Airgas serving as the prime contractor for this chemical gas supply initiative. The contract appears to be supporting environmental monitoring or testing requirements, as evidenced by the EPA Protocol specification for the gas mixtures. The contracting organization is identified as AIR532 - Air, suggesting this is part of a specialized scientific or environmental regulatory procurement process for the state of Illinois.