The General Services Administration (GSA) has issued a pre-solicitation notice under a small business set aside for an indefinite delivery, indefinite quantity contract to provide authorized commercial off-the-shelf CBRN equipment, sets, kits and outfits for Defense Department and Department of Homeland Security specialized units and first responders. The equipment may contain but is not limited to the following contractors: Canberra; Draeger; Smiths Detection; Mine Safety Appliances [MSA]; RAE Systems [RAE]; Saint Gobain; Quicksilver Analytics; and others. Sol. No. R1BK21100034. Respond by May 14. Contact: Siobhan Frongillo, contracting officer, 617-565-5770, [email protected].