This is a firm fixed-price purchase order contract awarded by the Bureau of Medicine and Surgery, a component of the U.S. Department of Defense, to Rees Scientific Corporation, a for-profit manufacturer, to perform IQ/OQ testing of environmental monitoring nodes and panels. The contract has a ceiling value of $86,793.93 and a completion date of January 15, 2021. The award was made on a sole-source basis under the authority of 10 U.S.C. 2304(c)(1). The contract includes the delivery of validation kits, software modules, and modifications to enable deployment of the Centron Presidio 3.0 environmental monitoring system on DoD networks. While no subcontractors are mentioned, Rees Scientific Corporation has a history of providing similar products and services to various federal agencies.