The U.S. Geological Survey requires firm, fixed-price quotes for accelerator mass spectrometric analysis of Iodine-129 in groundwater samples. All services will be performed at the contractor's facility. The estimated period of performance is from April 15, 2026, to April 30, 2027. Evaluation will be based on price, technical capability, past performance, and past experience. Interested parties must be registered in SAM and submit a detailed technical and price quote.

The U.S. Geological Survey is conducting market research to identify businesses capable of performing highly sensitive Accelerator Mass Spectrometry analyses for Iodine-129. This is a sources sought notice for planning purposes only and is not a request for proposals. The NAICS code is 541380 with a $19 million size standard. Responses, limited to 10 pages, must be submitted via email and include business size and a SAM UEI number.