# SILICON AUDIO BOREHOLE SENSORS

Canonical: https://abierto.us/opportunities/140g0326q0139

- Solicitation number: 140G0326Q0139
- Notice type: Special notice (first published as sources sought)
- Status: Awarded to Silicon Audio Seismic, LLC
- Department: Department of the Interior
- Agency: US Geological Survey
- Contracting office: Office of Acquisiton Grants (140G03)
- NAICS: 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
- Product or service code: 6655 Geophysical Instruments
- First posted: June 11, 2026
- Last posted: June 18, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/0cf9d34d523f4e06b070790731074476/view

## Description

SILICON AUDIO BOREHOLE SENSORS 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 Silicon Audio for the purchase of two 203-60 replacement borehole accelerometers. 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.

Silicon Audio is, to the USGS¿ knowledge, the only source who can provide the equipment with the required technical specifications and ensure compatibility with the existing system. 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 334513, Instruments and Related Products Manufacturing for Measuring, Displaying and Controlling Industrial Process Variables. Responses or inquiries shall only be accepted through electronic mail addressed to yangzhideng@ios.doi.gov and must be uploaded and received in their entirety no later than June 29, 2026 at 1500 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: Silicon Audio Seismic, LLC (UEI U4R4HNPGKKU5)
- Contract: 140G0326P0217, purchase order
- Obligated: $38,580.00
- Competition: Not Competed Under SAP, 1 offers received
- Link: solicitation number 140G0326Q0139 equals the FPDS solicitation identifier; same awarding office 140G03 (high confidence)
- Record: https://www.usaspending.gov/award/CONT_AWD_140G0326P0217_1434_-NONE-_-NONE-/


## Publications

- June 11, 2026: Sources sought, due June 16, 2026 at 6:00 PM EDT. Notice 441d567e5dc747e3985da69397fd6556. https://sam.gov/workspace/contract/opp/441d567e5dc747e3985da69397fd6556/view
- June 18, 2026: Special notice, due June 29, 2026 at 6:00 PM EDT. Notice 0cf9d34d523f4e06b070790731074476. https://sam.gov/workspace/contract/opp/0cf9d34d523f4e06b070790731074476/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/140g0326q0139.