The U.S. Geological Survey (USGS) requires a contractor to perform sediment core subsampling, processing, and preparation for radiocarbon analysis at the USGS PCMSC Sediment Core facility. The period of performance is from May 11, 2026, to September 30, 2027, with an anticipated award date of May 8, 2026. This is a firm, fixed-price solicitation set aside for small businesses, and the Service Contract Act applies. Interested parties must be actively registered in SAM and submit separate technical and price quotes via email.