The U.S. Geological Survey's Pacific Coastal & Marine Science Center in Santa Cruz, CA requires radiocarbon analysis services. All work must be performed at the contractor's laboratory. The solicitation is a full-and-open competition for a firm-fixed-price commercial service. Evaluation will use tradeoff factors including experience, technical capability, past performance, and price. The estimated period of performance is September 30, 2026 through October 1, 2029.