AMENDMENT 0001: Solicitation Extension & Pending Q&A The response deadline for this Solicitation is hereby extended: New Closing Date/Time: July 13, 2026, at 9:00 AM EDT. Q&A attachments addressing recent vendor inquiries will be uploaded shortly. Offerors must acknowledge this amendment in their final package. The 88th Medical Group at Wright-Patterson AFB, OH, has a requirement for non-personal Medical-Grade Water Quality Testing Services to support its Sterile Processing Department (SPD) and Hemodialysis ward. Services include specialized clinical water quality testing to ensure absolute compliance with ANSI/AAMI/ISO medical-grade standards. Bidders must provide all necessary personnel, testing kits, materials, laboratory analysis, and shipping required to perform AAMI Water Chemical Analysis, LAL Endotoxin Testing, and Fluid Balance Testing. Set-Aside: 100% Total Small Business Set-Aside NAICS Code: 541380 (Testing Laboratories and Services) – Size Standard: $19.0M PSC: Q301 (Laboratory Testing Services) Period of Performance: One (1) 12-Month Base Year (beginning 15 July 2026) plus four (4) consecutive 12-Month Option Years. All prospective offerors must be actively registered in SAM.gov at the time of quote submission. Full details, including the Performance Work Statement (PWS) and Pricing Sheet, are attached to this notice.