The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking proposals for the procurement of an air sampler, classified under the PSC code 4470, which pertains to nuclear reactors. This presolicitation opportunity is set aside for small businesses, in accordance with FAR 19.5, indicating a total small business set-aside. The air sampler is critical for monitoring and ensuring safety in environments involving nuclear materials. Interested vendors should reach out to Brianna Walker at (717) 605-1391 or via email at brianna.l.walker@navy.mil for further details and to express their interest in this opportunity.