The National Institutes of Health (NIH) intends to award a sole source contract to American Certified LLC for environmental monitoring and certification services at the Center for Cellular Engineering (CCE) in Bethesda, MD. The contractor will ensure cleanroom compliance with ISO 14644 standards and FDA mandates, including testing air quality, HEPA filters, and differential pressures. The anticipated period of performance is from May 25, 2026, to October 25, 2026. This notice is for informational purposes only and does not solicit quotations, though interested parties may submit a capability statement. The location for performance is the NIH Clinical Center in Bethesda, MD 20892.