# Washington Electronic Business Solution #SS 10.23.2026

Annual AB SCIEX QTRAP 6500+ maintenance and software updates

**Posted:** October 24, 2026
**Respond By:** November 07, 2026
**Identifier:** SS 10.23.2026
**NAICS:** 811210, 541519

The Washington State Department of Agriculture is seeking responses to a sole-source intent for service on one AB SCIEX mass spectrometer.
- Buyer: Washington State Department of Agriculture (WSDA), Washington state agency; Olympia, Thurston County. No sub-agency or specific office is identified.
- **OEM: AB SCIEX LLC** is identified as the manufacturer/vendor and intended sole-source contractor.
- Requested service: annual preventive maintenance and proprietary software updates for one AB SCIEX QTRAP 6500+ Mass Spectrometer.
- Notable requirement: the requested software updates are proprietary to AB SCIEX; the notice invites responses to the sole-source intent.
- Commodity classification: NIGP 490-55, Mass Spectrometers and Accessories.

### Description

WSDA intends to enter into a sole source contract with AB SCIEX LLC of Redwood City, California. The contract is for annual preventive maintenance and proprietary software updates supporting one AB SCIEX QTRAP 6500+ Mass Spectrometer. The commodity code is 490-55, Mass Spectrometers and Accessories. Responses are due November 6, 2026.

[View original listing](https://pr-webs-vendor.des.wa.gov/Search_BidDetails.aspx?ID=57698)