The Department of the Interior, specifically the U.S. Geological Survey (USGS), is seeking quotes for on-site service, maintenance, and software support for Perkin Elmer ICP-OES Optima 8300 DV instruments and Cetac ASX-560 autosamplers at the National Water Quality Lab in Denver, Colorado. The procurement includes a base year contract from February 1, 2026, to January 31, 2027, with two additional one-year options, emphasizing the need for adherence to OEM specifications and the use of certified technicians for repairs and maintenance. This service is critical for ensuring the operational efficiency and reliability of laboratory equipment used in water quality analysis. Interested vendors must submit their quotes by 11:00 AM EST on January 5, 2026, to the primary contact, Stephanie Doutt, at sdoutt@usgs.gov, with quotes remaining valid for 90 days.