The U.S. Geological Survey Nevada WSC has a requirement for the delivery of Cosmic Ray Neutron Sensors IAW Salients to Carson City, NV, and Denver, CO within 60 days from the date the contractor receives the purchase order. Request for Quote (RFQ) 140G0126Q0168 will be issued on or about 6/8/2026 with written quotes due on 6/11/2026 at 11:00 AM ED. Questions may be emailed to Cynthia Nicanor, Email: cynthia_nicanor@ios.doi.gov, before 6/9/2026 at 11:00 AM ED. Questions received after that time and date may not be responded to. This acquisition is a total small business set-aside. The NAICS code is 334519. The size standard 600 employees. The anticipated award date of the contract is 7/31/2026. A vendor must be registered at https://www.sam.gov/index.html to be awarded the contract. All responsible sources may submit a bid or quotation which shall be considered by the agency. Responses may be emailed to cynthia_nicanor@ios.doi.gov.