A16_Single_Source_Justification_1.pdf
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- Special Notice of Intent to Sole Source Award
- Solicitation number
- DOIFFBO260016
About this file
This document is a Single Source Justification (SSJ) form from the U.S. Fish and Wildlife Service for acquiring a Histocore Chromax ST slide stainer for the Dexter Fish Health Unit. The unit requires an automated 18 reagent station slide stainer to support annual fish health inspection and disease diagnostic services for 10 National Hatcheries, State and Tribal partner hatcheries. The justification indicates that Leica is the exclusive manufacturer of the Histocore Chromax ST, and alternative systems lack similar dimensions, capacity, and capabilities for benchtop-scale automated slide scanning with programmable multi-station functionality.
The contractor qualifications specify an automated slide stainer with programmable cycles, at least 5 water flow stations for modified staining, and specific benchtop instrument dimensions. The document was digitally signed by Wade Wilson (Program/Project Officer) on December 18, 2025, and by Solmaz Salih (Contracting Officer) on January 13, 2026, approving the sole source acquisition procedures under the Simplified Acquisition Threshold (SAT) as per Federal Acquisition Regulation (FAR) Part 13.
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Text version
FWS Form 3-0034 (Rev. 10/2020) U.S. Fish and Wildlife Service
1. Description of Need
3. Other Capable Sources
2. Market Research Conducted
Pursuant to FAR subpart 13.106-1(b)(1)(i) and (ii), for purchases not exceeding the Simplified Acquisition Threshold (SAT), Contracting Officers may solicit from only one source if the circumstances deem only one source is reasonably available (e.g., urgency, exclusive licensing agreements, brand name, or industrial mobilization).
Instructions: The information in the text boxes are provided as sample language or to indicate a needed fill-in. Sample language should be removed from the final document. All text boxes require information and shall not be left blank.
SINGLE SOURCE JUSTIFICATION
(UNDER SAT)
JOINT ADMINISTRATIVE OPERATIONS
Acquisitions Operations
4. Barriers to Competition
5. Contractor's Qualifications
6. Determination of Fair and Reasonable Cost
7. Recommendation and Certification by Program Office
Based on the above justification, I recommend this acquisition to be conducted using sole source acquisition procedures. I hereby certify that this justification is accurate and complete to the best of my knowledge and belief.
Program / Project Officer
8. Contracting Officer Certification and Approval: Under SAT
Based on the above justification, I hereby certify and approve the use of sole source acquisition procedures under FAR Part 13 for this purchase.
Contracting Officer
| Text3: Leica is the exclusive manufacturer for Histocore Chromax ST. Alternatives lack similar dimensions and capacity. | |
| Text2: Other processors (Avantor [Sakura-Fintek]), Biocare, Avantor [Tissue Tek]) are either high throughput systems or can handle less than a number of slides per specific stains. require floor-standing installation or external ventilation incompatible with the Southwestern ARRC’s limited facility space. Histocore Chromax ST instrument is one of the only benchtop automated slide stainer that would meet the requirements for limited benchtop space as well as number of processed slides in a period.. | |
| Text1: Dexter Fish Health Unit is responsible for annual fish health inspection/certification and providing disease diagnostic services for 10 National Hatcheries, State and Tribal partner hatcheries. The inspection/certification services provided is mandated by USFWS Policy 713 FW 2. Unit requires high-volume time sensitive histopathology results for disease diagnostics, and fish health inspection/certifications. Current benchtop manual methods are slow and low capacity. The equipment being requested would provide automated slide staining with precise reagent management as well as automated slide transfer to robotic cover slipper, all essential for accurate and standardized histopathology. A compact benchtop footprint would be needed it to be compatible with the laboratory’s spatial constraints. | |
| Text4: Benchtop-scale automated slide scanners with full capacity are rare. Alternatives lack either similar footprint with programmable multi-station capability. They are either high throughput systems including immunostaining capabilities for medical purposes, or small throughput systems. | |
| Text6: The cost is fair and reasonable from this source as it is the single source that provides the necessary supplies. | |
| 2025-12-18T15:18:21-0700 | |
| WADE WILSON |
| 2026-01-13T13:00:06-0700 | |
| SOLMAZ SALIH |
Text5: • Automated 18 reagent station slide stainer with programmable cycles
• At Least 5 Water Flow Station for modified staining
• Benchtop footprint o Instrument Dimension Hood Closed: 1136 x 670 x 550 mm o Instrument Dimension Hood Open: 1136 x 670 x 870 mm o Weight: <90 kg o Weight with reagents: <100 kg
• Load/Unload stations: 1/1
• Throughput: 240 H&E slides per hour with pre-validated protocol
• Reagent cuvette volume: 450 ml
• Capacity of slide rack: 30 slides
• Water flow stations: 5
• Reagent Stations: 18
• Reagent Management System: By slide counting, by day
• Reporting capability: Slide counting, reagent exchange, user run log
• Electrical compatibility: 100/120/230/240 V ±10%, 50/60 Hz
• White glove delivery and OEM-compliant packaging
• Installation and training will be provided within one year
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