This is a Delivery Order awarded by the Department of the Interior U.S. Geological Survey (USGS) Office of Acquisitions and Grants to Hach Company, doing business as ELE International. The contract, which has a firm fixed price of $116,085.22, provides for the delivery of hydrological instrumentation, SUNA nitrate analyzers, calibration reagents, and field servicing for water quality sensors. This award was issued against the Hach Indefinite Delivery/Indefinite Quantity (IDIQ) contract G13PC0008, which facilitates the ongoing procurement of Hach's water monitoring goods and services by USGS and other federal agencies. No set-aside designation was used for this specific award. Hach Company is a manufacturer and distributor of analytical instruments and reagents used for water quality testing and treatment, and has held over $5 million in federal contracts to date, supplying specialized equipment and services to agencies like the U.S. Geological Survey, Department of Veterans Affairs, and Department of Defense.