The Illinois Environmental Protection Agency is wanting to purchase twenty-six (26) Zero Air Generators (ZAGs) are consist of 18 trace-level bench style ZAGs, three (3) trace-level portable ZAGs with internal CO scrubber, and five (5) trace-level portable ZAGs without internal CO scrubber. SUPPLIES AND/OR SERVICES REQUIRED: Eighteen (18) Trace-Level Bench Style Zero Air Generating Units. Capable of delivering at least 10 LPM @ 35 psi of constant and stable trace-level air that is <0.025 ppb for each of NO, NO2, and SO2, <0.3 ppb of O3, and <10 ppb of CO. Internal CO scrubber. Internal regenerative heatless dryer. Dewpoint sensor and indicator. Front panel adjustable pressure regulator and gauge. Automatic and manual controlled water condensate purge drain valve. Long life oil-less pump. Ethernet port with Mod bus communication & control shall be compatible with Agilaire 8872 and ESC 8832 data loggers. Capable of communicating via Modbus to retrieve operational diagnostics which includes at a minimum: output pressure, dewpoint, temperatures, and unit identification (i.e., serial number or user programmable identification)...