40Ar/39Ar analyses to determine the ages of volcan

The U.S. Geological Survey Office of Acquisitions and Grants seeks 40Ar/39Ar geochronologic analyses to determine the ages of volcanic rock samples from the Kuskokwim region of southwest Alaska, with quotations due July 31, 2026 at 1700 Pacific Daylight Time. This is full and open competition with no set-aside.

The solicitation is issued as Request for Quotation 140G0326Q0173 under FAR 12 for commercial products and services. Two line items cover 40Ar/39Ar analysis of 10 samples (Item 00010) and analysis of additional phases (Item 00020), with period of performance August 10, 2026 through December 31, 2027. Vendors must submit firm, fixed-price quotes in U.S. dollars. The NAICS code is 541380, Testing Laboratories and Services, with a $19 million size standard; PSC is B517, Special Studies/Analysis–Geological.

Evaluation criteria, weighted with experience and past performance combined outweighing price, include corporate experience and key personnel experience (minimum three years of relevant work required), technical capability and capacity to meet the required timeframe, and past performance (at least three references required). The deliverable is a comprehensive written report with age determinations, analytical data, figures and tables suitable for publication, analytical interpretation, and sample remains returned to USGS. Quoters must register in SAM, provide their UEI, and include representations and certifications regarding covered telecommunications equipment, FASCSA orders, Sudan sanctions compliance, and Iran sanctions compliance. Payment requests must be submitted electronically through the U.S. Department of the Treasury's Invoice Processing Platform.