Amendment 0001: The solicitation documents originally posted to SAM.gov on [DATE OF ORIGINAL POSTING] were uploaded in error and do not pertain to this acquisition. The Government has removed the incorrect documents and has uploaded the complete and correct solicitation package associated with Solicitation No. 1333ND26RNB190014. Offerors are advised to disregard all solicitation documents posted prior to this amendment and shall rely solely upon the solicitation documents, specifications, drawings, attachments, and other information provided with this amendment and any subsequent amendments. END OF AMENDMENT 0001 The National Institute of Standards and Technology (NIST) located in Gaithersburg, MD is requesting proposals from qualified Small Businesses to be evaluated and considered for award of the project titled "Buidling 215 Clean Room HEPA Filter Replacement". See attached documents for details. A pre-proposal site visit is scheduled for Monday, June 15, 2026, at 9am EST. All attendees must be registered in advance of the site visit. See attachment titled "Information regarding Site Visit and RFI's" for details. In accordance with FAR 19.502-10, if this small business set-aside acquisition is not awarded, the unilateral determination to set the acquisition aside shall be automatically dissolved for the unawarded portion of the set-aside.