UPGRADE OF ZETASIZER ADVANCE PRO TO ZETASIZER ADVA

The National Institutes of Health, through the Office of Laboratory Animal Welfare under the Department of Health and Human Services, is pursuing a sole-source upgrade of an existing Zetasizer Advance Pro instrument to the Zetasizer Advance Ultra model, with Malvern Panalytical identified as the only known responsible source capable of performing this upgrade in accordance with FAR Part 6.302-1. This procurement is structured as a Firm-Fixed-Price Purchase Order under solicitation number 75N98026Q00668, with a NAICS code of 334516, and was posted on June 22, 2026, with a response deadline of July 1, 2026, at 9:00 a.m. EDT. The upgrade is mandatory and must be conducted exclusively by Malvern Panalytical, as unauthorized third parties are explicitly prohibited from performing upgrades on the Zetasizer Advance Ultra platform. Although no contract value, CLIN structure, or detailed pricing is provided, the procurement is non-competitive by nature, and no formal evaluation factors or inspection criteria are specified. Small businesses including 8(a), service-disabled veteran owned, HUBZone, small disadvantaged, veteran-owned, and women-owned concerns may submit written capability statements to demonstrate their ability to perform the work, though these submissions will not result in competitive evaluation. All responses must be emailed to patricia.haun@nih.gov. The place of performance and packaging requirements are not defined in the documentation, and the contract administration details including point of contact for invoicing or oversight are not provided beyond the primary point of contact, Patricia M. Haun, located at the NIH office in Bethesda, Maryland.