SOLE SOURCE LETTER GSS 2025-2.pdf

This is a sole source authorization letter from Green Science Solutions to the Mississippi Polymer Institute, confirming Green Science Solutions' exclusive distributor and certified service provider status for Echo Instruments respirometer equipment and replacement parts within the United States. The letter, dated November 11, 2025, establishes Green Science Solutions' authority to supply equipment and provide service support for Echo Instruments products. The authorization certificate, issued January 1, 2025, and valid through December 31, 2025, designates Green Science Solutions as an appointed authorized distributor for Echo Instruments, D.O.O., with exclusive sales and after-sales service rights in the USA and Canada. Green Science Solutions is located at 80 Minnesota Ave, Little Canada, MN 55113, and can be contacted at 651-646-5339 or GSS@greensciencesolutions.com.

The sole source designation eliminates competitive bidding requirements for Echo Instruments equipment and service procurement by the Mississippi Polymer Institute, as Green Science Solutions holds the exclusive distribution and service rights in the United States. This authorization supports a Notice of Proposed Sole Source Purchase submitted under Mississippi's state procurement process, with objections receivable until 8:00 a.m. Central Time as required by Section 31-7-13(C) of the Mississippi Code. The arrangement ensures continuity of equipment support and service for the Institute's existing Echo Instruments respirometer through an authorized provider.