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

Federal contract opportunity, via Kontrakk.

- **Agency:** INTERIOR, DEPARTMENT OF THE.US GEOLOGICAL SURVEY.OFFICE OF ACQUISITON  GRANTS
- **Notice ID:** b8fc22f54a7b4a2fab579a0267e4b3e1
- **Solicitation number:** 140G0326Q0167
- **Notice type:** Sources Sought
- **NAICS:** 541380
- **Contracting office location:** Sacramento, CA
- **Posted:** July 14, 2026
- **Response deadline:** July 17, 2026
- **View on Kontrakk:** https://kontrakk.com/contracts/b8fc22f54a7b4a2fab579a0267e4b3e1
- **View on SAM.gov:** https://sam.gov/workspace/contract/opp/b8fc22f54a7b4a2fab579a0267e4b3e1/view

## Description

Full description available on SAM.gov: https://sam.gov/workspace/contract/opp/b8fc22f54a7b4a2fab579a0267e4b3e1/view

## Points of contact

- Deng, Yangzhi · yangzhideng@usgs.gov · 916-278-9326 (primary)