# Sources Sought Stable isotope analyses

Canonical: https://abierto.us/opportunities/140g0126q0267

- Solicitation number: 140G0126Q0267
- Notice type: Special notice
- Status: Closed. Deadline was September 1, 2026 at 9:00 AM EDT
- Department: Department of the Interior
- Agency: US Geological Survey
- Contracting office: Ofc of Acqusition Grants-National (140G01)
- NAICS: 541380 Testing Laboratories and Services
- Product or service code: B529 Scientific Data Studies
- First posted: August 27, 2026
- Last posted: August 27, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/1d9d653a3b0f438780eeb811ccf73084/view

## Description

The USGS Florence Bascom Geoscience Center is seeking information from qualified laboratories capable of performing stable isotope analyses on carbonate microfossils according to the specifications in the attached Statement of Work. Up to 2,000 analyses will be required through FY27.

## Publications

- August 27, 2026: Special notice, due September 1, 2026 at 9:00 AM EDT. Notice 1d9d653a3b0f438780eeb811ccf73084. https://sam.gov/workspace/contract/opp/1d9d653a3b0f438780eeb811ccf73084/view

## Points of contact

- Dixon, Mindie, mindie_dixon@ios.doi.gov, 720-954-2784

---
Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/140g0126q0267.