# Mobile Lab Nuclear Density Gauge

Canonical: https://abierto.us/opportunities/fa4626

- Solicitation number: FA4626
- Notice type: Presolicitation
- Status: Open. Offers due September 25, 2026 at 2:00 PM EDT
- Department: Department of the Air Force
- Agency: Department of the Air Force
- Contracting office: FA4626 341 Cons LGC (FA4626)
- NAICS: 334516 Analytical Laboratory Instrument Manufacturing
- Product or service code: 6695 Combination and Miscellaneous Instruments
- Set-aside: Total small business set-aside
- Place of performance: Malmstrom AFB, Montana
- First posted: September 11, 2026
- Last posted: September 11, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/fc86d7d963fc490f9a35ed95eb7336b4/view

## Description

See attachment 1 (SOW)

Notice of Intent to Sole Source:

The 341st Contracting Squadron (CONS) - Malmstrom AFB, Montana intends to award a sole source contract to TROXLER ELECTRONIC LABORATORIES, INC. to provide Troxler Model 4540 EGauge Combo for use of the 819th RED HORSE Squadron (RHS).

Troxler is the sole manufacturer/source for the Troxler Model 4540 EGauge Combo with patented nuclear technology resulting in less nuclear material, simpiler operation, less training, licensing exempt, no certifications, no permits, and no permit maintenance while still having the accuracy of a nuclear ground density gauge reading. The Troxler 4540 is required for 819th RHS by their Unit Type Code Equipment Supply List (UTC ESL) which is the mandatroy list of equipment the 819th is required to have for immediate demployment.

THIS IS NOT A REQUEST FOT COMPETATIVE OFFERS and a solicitation will not be issued. All responsible sources may submit a quote which shall be considered. Any response to this notice must show clear and convincing evidence that competition of this requirement would be advantagaous to the Government. All responsible sources may submit specifications, salient characteristics, and quotations, which shall be considered by the agency. If no affirmative, written response is received, the award will be made without further notice. Oral communications will not be accepted in response to this notice. RESPONSES ARE DUE NO LATER THAN 25 SEPTEMBER 2026 by 2:00 PM MST, email SrA Samantha Pomroy, Contract specialist, at samantha.pomroy@us.af.mil.

## Attachments

- [Salient Characteristics_Troxler.pdf](https://sam.gov/api/prod/opps/v3/opportunities/resources/files/1cc3ee020f7f40c186979249a07b63e2/download)

## Publications

- September 11, 2026: Presolicitation, due September 25, 2026 at 2:00 PM EDT. Notice fc86d7d963fc490f9a35ed95eb7336b4. https://sam.gov/workspace/contract/opp/fc86d7d963fc490f9a35ed95eb7336b4/view

## Points of contact

- SrA Samantha Pomroy, samantha.pomroy@us.af.mil, 4067313768
- Karen V. Broughton, karen.broughton@us.af.mil, 4067314555

---
Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/fa4626.