The Department of Defense, specifically the Department of the Army, is seeking proposals for the procurement of electrochemical sensors and calibration gases through a Combined Synopsis/Solicitation. This opportunity is set aside for small businesses under the SBA guidelines and falls under the NAICS code 334290, which pertains to Other Communications Equipment Manufacturing. The goods are critical for applications related to fire fighting equipment, as indicated by the PSC code 4210. Interested vendors can reach out to Charles Dickinson at charles.j.dickinson.civ@army.mil or by phone at 520-941-1897, or Joy Davis at joy.l.davis18.civ@army.mil or 315-772-9900 for further details.