The U.S. Air Force, 92d Contracting Squadron, Fairchild AFB, WA, issued a sources sought notice to identify authorized businesses capable of providing PFAS/environmental testing—sampling and analysis of various media for proper characterization—at Fairchild AFB and associated locations in Washington state, per an attached Statement of Work. This notice is for informational and planning purposes only, does not constitute a solicitation, requests no pricing, and is not a government commitment. The anticipated requirement falls under NAICS 541380 (Testing and Laboratories Services) with a size standard of $19.00M. Interested responsible sources must be registered in SAM and should provide up to five pages covering service specifications, business information, CAGE code, size/socioeconomic status, supporting documentation if claiming a specific small business category, and point of contact details. All interested parties must respond separately to any resultant solicitation.