# SAM #140D0426P0336

Upgrade of Rees Scientific Monitoring System for NIH Bethesda Campus

**Buyer:** Interior Business Center Acquisition Services Directorate
**Posted:** September 15, 2026
**Identifier:** 140D0426P0336
**NAICS:** 811210, 541330, 334519, 541512

This opportunity involves a sole source procurement for upgrading the Rees Scientific Monitoring System at the National Cancer Institute, NIH Bethesda Campus.
- Sole source justification is based on proprietary system compatibility requirements with Rees Scientific products.
- Scope includes:
  - Demolition of old wired Rees Monitoring System panels and accessories
  - Installation of three Helix Rees Monitoring Platforms (one per node)
  - Installation of highly calibrated RTD and thermocouple probes for cold storage and environmental monitoring
  - Restructuring and consolidation of existing system nodes to meet laboratory and CGMP needs
  - System validation and reporting
- The contract period of performance is 12 months
- No specific part numbers or purchase quantities for probes and accessories are provided
- Rees Scientific is the only OEM mentioned; no competitors or alternative products are referenced
- The procurement is for the NIH Bethesda Campus, managed by the Department of the Interior's Interior Business Center

### Description

Attached is an approved redacted sole source justification to Rees Scientific. This is in a follow up to the notice of intent to sole source 140D0426Q0851.

[View original listing](https://sam.gov/opp/be5ed1396a6848a188475b2bcff0c2dc/view)