# Washington Electronic Business Solution #OR401702R

WSDOT procurement of five Troxler Model 3430+ nuclear density gauges and recovery of four used gauges

**Posted:** October 12, 2026
**Respond By:** November 11, 2026
**Identifier:** OR401702R
**NAICS:** 423490, 423690, 423840

The Washington State Department of Transportation (WSDOT) is seeking new Troxler nuclear density gauges and recovery of used units.
- **Government buyer:** Washington State Department of Transportation (WSDOT); no sub-agency or office is identified.
- **OEM:** **Troxler** (official website: https://troxlerlabs.com).
- **Products requested:** Five new Troxler Nuclear Density Gauges, Model 3430+, with 12/2 standard accessories.
- **Service requested:** Recover four used nuclear density gauges from WSDOT possession and deliver the new gauges to the WSDOT address specified in the solicitation.
- **Notable requirements:** The new gauges must be supplied with the specified standard accessories. No other special technical requirements are identified.
- **Potential competitors:** InstroTek and Humboldt Manufacturing Company offer comparable nuclear density gauge products.

### Description

The successful bidder shall recover four used Nuclear Density Gauges from WSDOT possession. The bidder shall deliver five new Troxler Nuclear Density Gauges, Model 3430+, with 12/2 standard accessories. Delivery is to the WSDOT address listed in the solicitation. The response deadline is November 10, 2026.

[View original listing](https://pr-webs-vendor.des.wa.gov/Search_BidDetails.aspx?ID=57637)