# MicroXRF Geochemistry Sensor for attachment to Geotek MSCL-XZ II System

Canonical: https://abierto.us/opportunities/140g0326q0100

- Solicitation number: 140G0326Q0100
- Notice type: Special notice (first published as sources sought)
- Status: Awarded to Geotek Limited
- Department: Department of the Interior
- Agency: US Geological Survey
- Contracting office: Office of Acquisiton Grants (140G03)
- NAICS: 334516 Analytical Laboratory Instrument Manufacturing
- Product or service code: 6640 Laboratory Equipment and Supplies
- First posted: April 24, 2026
- Last posted: April 29, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/e90001494afe47948c453ba3b9bdb6ae/view

## Description

MicroXRF Geochemistry Sensor for attachment to Geotek MSCL-XZ II System Notice of Intent This is a notice of intent to solicit from a single source. The U.S. Geological Survey (USGS), intends to award a purchase order to Geotek Limited for a microXRF geochemistry sensor designed to integrate with the existing Geotek MSCL¿XZ (Mark II) core logging system.

Award will be made in accordance with Revolutionary FAR Overhaul (RFO) Federal Acquisition Regulation (FAR) Part 12 entitled, Acquisition of Commercial Products and Commercial Services. Geotek is, to the USGS¿ knowledge, the only source who can provide the equipment with the required technical specifications. The purpose of this notice is to satisfy the requirements of RFO FAR Subpart 5.101(a). This notice of intent is not a request for competitive quotes.

However, all responsible parties may submit a quotation by the closing date of this announcement which shall be considered by the agency. No solicitation will be issued. A determination not to compete this action based upon responses received is in the sole discretion of the Government. The NAICS code for this action is 334516, Analytical Laboratory Instrument.

Responses or inquiries shall only be accepted through electronic mail addressed to yangzhi_deng@ios.doi.gov and must be uploaded and received in their entirety no later than May 13, 2026 at 1700 PST. Responses submitted by hardcopy or any web portal shall not be accepted or considered. The attached sole source justification has been redacted in accordance with FAR 6.301.

## Award on USAspending

- Recipient: Geotek Limited (UEI NUPXBRAKAJU6)
- Contract: 140G0326P0156, purchase order
- Obligated: $250,954.35
- Competition: Not Competed Under SAP, 1 offers received
- Link: solicitation number 140G0326Q0100 equals the FPDS solicitation identifier; same awarding office 140G03 (high confidence)
- Record: https://www.usaspending.gov/award/CONT_AWD_140G0326P0156_1434_-NONE-_-NONE-/


## Publications

- April 24, 2026: Sources sought, due April 28, 2026 at 12:00 PM EDT. Notice aa8ea0fb125249c38ddb70b99f70ea8c. https://sam.gov/workspace/contract/opp/aa8ea0fb125249c38ddb70b99f70ea8c/view
- April 29, 2026: Special notice, due May 13, 2026 at 6:00 PM EDT. Notice e90001494afe47948c453ba3b9bdb6ae. https://sam.gov/workspace/contract/opp/e90001494afe47948c453ba3b9bdb6ae/view

## Points of contact

- Deng, Yangzhi, yangzhideng@usgs.gov, 916-278-9326

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Source: SAM.gov Contract Opportunities bulk extract and USAspending.gov award data. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/140g0326q0100.