# SAM #140G0126Q0250

USGS Bascom Argon Dating Laboratory Noble Gas Mass Spectrometer Procurement

**Buyer:** USGS Office of Acquisition and Grants
**Posted:** September 18, 2026
**Respond By:** September 18, 2026
**Identifier:** 140G0126Q0250
**NAICS:** 334516

The U.S. Geological Survey (USGS) Bascom Argon Dating Laboratory is seeking to procure a multi-collector noble gas mass spectrometer for advanced geochronology research.
- Government Buyer:
  - U.S. Geological Survey (USGS), Bascom Argon Dating Laboratory, Office of Acquisition Grants-National, OAG Reston Acquisition Branch
- OEMs and Vendors:
  - No specific OEMs or vendors are named; instrument must meet detailed technical specifications
- Products Requested:
  - Multi-collector noble gas mass spectrometer (1 unit)
    - Capable of simultaneous measurement of argon (40, 39, 38, 37, 36) and neon (22, 21, 20) isotopes
    - Part number referenced: 7540-01-152-8067 (from one attachment)
    - Includes stainless steel construction, bakeable analytical volume, stable electromagnet, Faraday detectors, discrete dynode multipliers, high-conductance valves, oil-free roughing system, ion pump, computer-controlled electronics, and compatible data acquisition software (LabView, Python)
    - Spares kit: filaments, HV supply module, multiplier
    - Must meet high resolution, sensitivity, stability, and linearity standards
- Services Requested:
  - Delivery, assembly, and demonstration at USGS Reston, VA
  - Clearance through customs, shipping, and air freight
- Unique/Notable Requirements:
  - Instrument must support rapid transitions between argon and neon analyses
  - Minimum one-year warranty covering parts, labor, shipping, and support travel
  - Compliance with Buy American Act and domestic sourcing requirements
  - Vendors must disclose any foreign end products
  - Registration in SAM.gov required for award consideration
  - Delivery required within 360-365 days after receipt of order
  - Comprehensive software compatibility and advanced detector technology


### Description

The USGS Eastern Geology and Paleoclimate Science Center has a requirement to purchase a Mass Spectrometer and to be delivered to Reston, VA **Delivery Date - 365 days after receipt of order**<br/><br/>Request for Quote (RFQ) 140G0126Q0250 will be issued on or about 09/18/2026 with written quotes due on or about 09/23/2026.  <br/><br/>The NAICS code is 334516.  The size standard is 1,000 employees<br/><br/>The anticipated award date of the contract is 09/24/2026 A vendor must be registered at https://www.sam.gov/index.html to be awarded the contract.  <br/><br/>All responsible sources may submit a bid or quotation which shall be considered by the agency.  Responses may be emailed to rafael_anderson@ios.doi.gov.<br/><br/>Buy American Act applies. Vendors must comply with all applicable domestic sourcing requirements and disclose any foreign end products.<br/>

[View original listing](https://sam.gov/opp/98176f9564ba4b688a5dddb75c65899d/view)