B--Apatite fission-track (AFT) and U-Pb analyses

Notice of Intent This is a notice of intent to solicit from a single source. The U.S. Geological Survey (USGS), intends to award a purchase order to GeoSep Services for apatite fission track and U-Pb analysis. Award will be made in accordance with Revolutionary FAR Overhaul (RFO) Federal Acquisition Regulation (FAR) Part 12 entitled, Acquisition of Commercial Products and Commercial Services. GeoSep is, to the USGS' knowledge, the only source who can meet all the required technical requirement, i.e. 252Cf irradiation. The purpose of this notice is to satisfy the requirements of RFO FAR Subpart 5.101(a). This notice of intent is not a request for competitive quotes. However, all responsible parties may submit a quotation by the closing date of this announcement which shall be considered by the agency. No solicitation will be issued. A determination not to compete this action based upon responses received is in the sole discretion of the Government. The NAICS code for this action is 541380, Testing Laboratory. Responses or inquiries shall only be accepted through electronic mail addressed to yangzhi_deng@ios.doi.gov and must be uploaded and received in their entirety no later than August 3, 2026 at 0800 PST. Responses submitted by hardcopy or any web portal shall not be accepted or considered.