This is a Notice of Intent for a sole-source bridge contract to provide urgent cleaning services for cGMP manufacturing facilities and compounding pharmacies at the National Institutes of Health. The intent is to negotiate directly with Advanced Cleanroom Microclean to ensure continuity of service for patient safety and regulatory compliance. The contract is a temporary measure to continue services until a new main contract can be competed. The performance location is the NIH Clinical Center. The associated NAICS code has a size standard of $22 million.