Redacted Justification and Approval (J&A) – Multiplex ECL Analyzers and Consumables
Awarded Limited / Sole Source Justification Posted
- Solicitation number
- W911SR-26-D-A011
- Agency
-
ACC Aberdeen Proving Ground
Army Contracting Command, Department of Defense
- Set-aside
- No set-aside
Opportunity facts
- Contract number
- W911SR-26-D-A011-W911SR-26-F-A043 Federal contract award
- Awardee
- Meso Scale Diagnostics LLC
- NAICS code
- 334516 Analytical Laboratory Instrument Manufacturing
- PSC
- 6640 Laboratory Equipment And Supplies
- Place of performance
- Aberdeen Proving Ground, Maryland, United States
Notice details come from SAM.gov. Updated .
About this opportunity
The Army Contracting Command - Aberdeen Proving Ground has awarded a sole-source Firm-Fixed-Price Indefinite Delivery Indefinite Quantity contract to an undisclosed vendor for Multiplex Electrochemiluminescence (ECL) Analyzers, immunoassay kits, performance qualification kits, reagents, and related consumables on July 28, 2026, under a sole-source justification.
The contracting action is on behalf of the Defense Biological Product Assurance Office (DBPAO) to support field-confirmatory analysis of environmental samples for biological threat identification, specifically detection of Staphylococcal enterotoxin B, Botulinum neurotoxin A, and Ricin. The sole-source justification cites FAR 13.501 and rests on the contractor being the only source meeting integrated operational system requirements: validated Government-assured assays for required toxin targets, operational safety compatible with standard glovebox dimensions or Level D PPE, compatibility with Army Gold Master configurations, software generating automatic positive/negative result calls, and demonstrated production readiness with ITAR compliance capability for Government-furnished antibodies and antigens. Market research spanning multiple years and sources sought notices published in 2021, 2025, and 2026 yielded no competing sources meeting all minimum requirements. The predecessor platform is obsolescing with maintenance support ending December 2026, creating an operational gap that alternative platforms cannot address within required timeframes due to 12-to-24-month validation and stability assessment periods. Fair and reasonable pricing was determined through comparison to prior contract pricing, inflation-adjusted IGCE values, and market research data. The contract term is five years with an established ordering ceiling. Place of performance is Aberdeen Proving Ground, Maryland. The awarded contract number is W911SR-26-D-A011.
Notice text
This notice is published in accordance with FAR 6.305 and FAR 13.501 to announce the public availability of a redacted Justification and Approval (J&A) for a sole-source contract award.
The Army Contracting Command – Aberdeen Proving Ground (ACC-APG), Edgewood Contracting Division (W911SR), has awarded a sole-source, Firm-Fixed-Price (FFP), Indefinite Delivery Indefinite Quantity (IDIQ) contract on behalf of the Defense Biological Product Assurance Office (DBPAO) for the procurement of Multiplex Electrochemiluminescence (ECL) Analyzers, Immunoassay Kits, Performance Qualification Kits, reagents, and related consumables for biological threat identification.
Awarded contract W911SR-26-D-A011 to unknown vendor for unknown amount on 2026-07-28.
Files
| File | Type | Posted |
|---|---|---|
| ECL Sole Source Justification - Final - Approved 04June2026_Redacted 09July2026.pdf |
Notice history
| Notice | Type | Posted |
|---|---|---|
| This notice | Limited / Sole Source Justification | |
| Manufacture of Multiplex Electrochemiluminescence (ECL) Immunoassay and Performance Qualification Kit | Award Notice | |
| Notice of Intent to Sole Source for Electrochemiluminescence Analyzers and Consumables | Special Notice | |
| Request for Information (RFI) - Electrochemiluminescence Analyzers and Consumables | Pre-Solicitation |
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