# 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:** ba57347c66914e66a4ea744a20ad8f73
- **Solicitation number:** 140G0326Q0167
- **Notice type:** Special Notice
- **NAICS:** 541380
- **Contracting office location:** Sacramento, CA
- **Posted:** July 22, 2026
- **Response deadline:** August 3, 2026
- **View on Kontrakk:** https://kontrakk.com/contracts/ba57347c66914e66a4ea744a20ad8f73
- **View on SAM.gov:** https://sam.gov/workspace/contract/opp/ba57347c66914e66a4ea744a20ad8f73/view

## Description

Full description available on SAM.gov: https://sam.gov/workspace/contract/opp/ba57347c66914e66a4ea744a20ad8f73/view

## Points of contact

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